java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-3.1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 21:32:17,822 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 21:32:17,824 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 21:32:17,839 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 21:32:17,839 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 21:32:17,840 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 21:32:17,841 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 21:32:17,843 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 21:32:17,845 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 21:32:17,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 21:32:17,847 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 21:32:17,847 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 21:32:17,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 21:32:17,849 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 21:32:17,850 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 21:32:17,852 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 21:32:17,854 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 21:32:17,856 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 21:32:17,857 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 21:32:17,859 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 21:32:17,861 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 21:32:17,861 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 21:32:17,861 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 21:32:17,862 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 21:32:17,863 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 21:32:17,865 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 21:32:17,865 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 21:32:17,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 21:32:17,866 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 21:32:17,866 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 21:32:17,867 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 21:32:17,867 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 21:32:17,893 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 21:32:17,893 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 21:32:17,894 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 21:32:17,894 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 21:32:17,895 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 21:32:17,895 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 21:32:17,895 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 21:32:17,895 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 21:32:17,895 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 21:32:17,896 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 21:32:17,896 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 21:32:17,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 21:32:17,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 21:32:17,896 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 21:32:17,897 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 21:32:17,897 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 21:32:17,897 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 21:32:17,897 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 21:32:17,897 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 21:32:17,897 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 21:32:17,898 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 21:32:17,898 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 21:32:17,898 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 21:32:17,898 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 21:32:17,898 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 21:32:17,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:32:17,899 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 21:32:17,899 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 21:32:17,899 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 21:32:17,899 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 21:32:17,900 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 21:32:17,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:32:17,900 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 21:32:17,901 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 21:32:17,901 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 21:32:17,901 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 21:32:17,901 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 21:32:17,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 21:32:17,946 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 21:32:17,950 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 21:32:17,952 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 21:32:17,952 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 21:32:17,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-29 21:32:18,287 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG82b2f4360 [2018-03-29 21:32:18,407 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 21:32:18,408 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 21:32:18,408 INFO L168 CDTParser]: Scanning test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-29 21:32:18,409 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 21:32:18,409 INFO L215 ultiparseSymbolTable]: [2018-03-29 21:32:18,409 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 21:32:18,410 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-29 21:32:18,410 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 21:32:18,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_bitfields_____true_valid_memsafety_true_termination_i__d in test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-29 21:32:18,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_bitfields_____true_valid_memsafety_true_termination_i__size_t in test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-29 21:32:18,427 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG82b2f4360 [2018-03-29 21:32:18,431 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 21:32:18,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 21:32:18,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 21:32:18,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 21:32:18,443 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 21:32:18,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:32:18" (1/1) ... [2018-03-29 21:32:18,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7be2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:32:18, skipping insertion in model container [2018-03-29 21:32:18,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:32:18" (1/1) ... [2018-03-29 21:32:18,467 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:32:18,481 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:32:18,633 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:32:18,661 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:32:18,667 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 12 non ball SCCs. Number of states in SCCs 12. [2018-03-29 21:32:18,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:32:18 WrapperNode [2018-03-29 21:32:18,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 21:32:18,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 21:32:18,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 21:32:18,678 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 21:32:18,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:32:18" (1/1) ... [2018-03-29 21:32:18,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:32:18" (1/1) ... [2018-03-29 21:32:18,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:32:18" (1/1) ... [2018-03-29 21:32:18,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:32:18" (1/1) ... [2018-03-29 21:32:18,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:32:18" (1/1) ... [2018-03-29 21:32:18,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:32:18" (1/1) ... [2018-03-29 21:32:18,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:32:18" (1/1) ... [2018-03-29 21:32:18,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 21:32:18,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 21:32:18,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 21:32:18,720 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 21:32:18,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:32:18" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:32:18,779 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 21:32:18,779 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 21:32:18,779 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 21:32:18,779 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-03-29 21:32:18,779 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-03-29 21:32:18,780 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 21:32:18,780 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 21:32:18,780 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 21:32:18,780 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 21:32:18,780 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-03-29 21:32:18,780 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 21:32:18,780 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 21:32:18,781 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 21:32:18,781 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 21:32:18,781 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 21:32:18,781 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 21:32:19,127 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-03-29 21:32:19,173 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 21:32:19,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:32:19 BoogieIcfgContainer [2018-03-29 21:32:19,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 21:32:19,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 21:32:19,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 21:32:19,178 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 21:32:19,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 09:32:18" (1/3) ... [2018-03-29 21:32:19,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d79906b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:32:19, skipping insertion in model container [2018-03-29 21:32:19,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:32:18" (2/3) ... [2018-03-29 21:32:19,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d79906b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:32:19, skipping insertion in model container [2018-03-29 21:32:19,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:32:19" (3/3) ... [2018-03-29 21:32:19,182 INFO L107 eAbstractionObserver]: Analyzing ICFG test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-29 21:32:19,191 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 21:32:19,199 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2018-03-29 21:32:19,244 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 21:32:19,245 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 21:32:19,245 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 21:32:19,245 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 21:32:19,245 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 21:32:19,245 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 21:32:19,245 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 21:32:19,245 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 21:32:19,245 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 21:32:19,246 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 21:32:19,260 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-03-29 21:32:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-29 21:32:19,265 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:32:19,265 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] [2018-03-29 21:32:19,265 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr6AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-29 21:32:19,269 INFO L82 PathProgramCache]: Analyzing trace with hash -528614855, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-03-29 21:32:19,280 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:32:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:32:19,324 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:32:19,371 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 6 treesize of output 5 [2018-03-29 21:32:19,373 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:19,378 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:19,378 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:32:19,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:19,394 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:32:19,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:19,431 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:32:19,431 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:32:19,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:32:19,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:32:19,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:32:19,444 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 4 states. [2018-03-29 21:32:19,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:32:19,650 INFO L93 Difference]: Finished difference Result 179 states and 200 transitions. [2018-03-29 21:32:19,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:32:19,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-03-29 21:32:19,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:32:19,666 INFO L225 Difference]: With dead ends: 179 [2018-03-29 21:32:19,667 INFO L226 Difference]: Without dead ends: 162 [2018-03-29 21:32:19,670 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:32:19,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-03-29 21:32:19,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 108. [2018-03-29 21:32:19,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-03-29 21:32:19,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2018-03-29 21:32:19,720 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 21 [2018-03-29 21:32:19,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:32:19,721 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2018-03-29 21:32:19,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:32:19,721 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2018-03-29 21:32:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-29 21:32:19,722 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:32:19,722 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] [2018-03-29 21:32:19,723 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr6AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-29 21:32:19,723 INFO L82 PathProgramCache]: Analyzing trace with hash -528614854, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-03-29 21:32:19,734 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:32:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:32:19,757 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:32:19,762 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 6 treesize of output 5 [2018-03-29 21:32:19,762 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:19,765 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:19,765 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:32:19,783 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 12 treesize of output 11 [2018-03-29 21:32:19,784 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:19,789 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:32:19,789 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-29 21:32:19,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:19,803 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:32:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:19,864 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:32:19,864 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-29 21:32:19,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 21:32:19,865 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 21:32:19,865 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:32:19,866 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand 3 states. [2018-03-29 21:32:19,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:32:19,935 INFO L93 Difference]: Finished difference Result 156 states and 172 transitions. [2018-03-29 21:32:19,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 21:32:19,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-03-29 21:32:19,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:32:19,937 INFO L225 Difference]: With dead ends: 156 [2018-03-29 21:32:19,937 INFO L226 Difference]: Without dead ends: 155 [2018-03-29 21:32:19,938 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:32:19,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-03-29 21:32:19,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 107. [2018-03-29 21:32:19,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-03-29 21:32:19,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 119 transitions. [2018-03-29 21:32:19,946 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 119 transitions. Word has length 21 [2018-03-29 21:32:19,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:32:19,946 INFO L459 AbstractCegarLoop]: Abstraction has 107 states and 119 transitions. [2018-03-29 21:32:19,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 21:32:19,947 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2018-03-29 21:32:19,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-29 21:32:19,948 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:32:19,948 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] [2018-03-29 21:32:19,948 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr6AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-29 21:32:19,948 INFO L82 PathProgramCache]: Analyzing trace with hash -528614853, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-03-29 21:32:19,958 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:32:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:32:19,977 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:32:19,995 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 6 treesize of output 5 [2018-03-29 21:32:19,996 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:20,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:20,004 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:32:20,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:20,029 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:32:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:20,086 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:32:20,086 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-29 21:32:20,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:32:20,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:32:20,087 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:32:20,088 INFO L87 Difference]: Start difference. First operand 107 states and 119 transitions. Second operand 6 states. [2018-03-29 21:32:20,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:32:20,201 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2018-03-29 21:32:20,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 21:32:20,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-03-29 21:32:20,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:32:20,203 INFO L225 Difference]: With dead ends: 107 [2018-03-29 21:32:20,203 INFO L226 Difference]: Without dead ends: 93 [2018-03-29 21:32:20,204 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:32:20,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-03-29 21:32:20,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-03-29 21:32:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-03-29 21:32:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2018-03-29 21:32:20,218 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 21 [2018-03-29 21:32:20,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:32:20,219 INFO L459 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2018-03-29 21:32:20,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:32:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2018-03-29 21:32:20,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-29 21:32:20,220 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:32:20,220 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] [2018-03-29 21:32:20,220 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr6AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-29 21:32:20,220 INFO L82 PathProgramCache]: Analyzing trace with hash -528614852, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-03-29 21:32:20,232 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:32:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:32:20,252 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:32:20,257 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 6 treesize of output 5 [2018-03-29 21:32:20,258 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:20,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:20,263 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:32:20,279 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 12 treesize of output 11 [2018-03-29 21:32:20,298 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:20,303 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:32:20,304 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-03-29 21:32:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:20,309 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:32:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:20,693 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:32:20,693 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2018-03-29 21:32:20,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 21:32:20,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 21:32:20,694 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=10, Unknown=1, NotChecked=0, Total=20 [2018-03-29 21:32:20,694 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand 5 states. [2018-03-29 21:32:20,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:32:20,735 INFO L93 Difference]: Finished difference Result 93 states and 99 transitions. [2018-03-29 21:32:20,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 21:32:20,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-03-29 21:32:20,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:32:20,737 INFO L225 Difference]: With dead ends: 93 [2018-03-29 21:32:20,737 INFO L226 Difference]: Without dead ends: 92 [2018-03-29 21:32:20,737 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=10, Unknown=1, NotChecked=0, Total=20 [2018-03-29 21:32:20,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-03-29 21:32:20,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-03-29 21:32:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-03-29 21:32:20,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2018-03-29 21:32:20,746 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 21 [2018-03-29 21:32:20,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:32:20,747 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2018-03-29 21:32:20,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 21:32:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2018-03-29 21:32:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-03-29 21:32:20,748 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:32:20,748 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, 1, 1, 1, 1] [2018-03-29 21:32:20,749 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr6AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-29 21:32:20,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1554460015, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-03-29 21:32:20,755 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:32:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:32:20,780 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:32:20,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:20,801 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:32:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:20,866 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:32:20,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-29 21:32:20,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:32:20,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:32:20,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:32:20,867 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand 6 states. [2018-03-29 21:32:20,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:32:20,895 INFO L93 Difference]: Finished difference Result 161 states and 174 transitions. [2018-03-29 21:32:20,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:32:20,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-03-29 21:32:20,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:32:20,897 INFO L225 Difference]: With dead ends: 161 [2018-03-29 21:32:20,897 INFO L226 Difference]: Without dead ends: 96 [2018-03-29 21:32:20,898 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:32:20,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-03-29 21:32:20,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-03-29 21:32:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-03-29 21:32:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 102 transitions. [2018-03-29 21:32:20,907 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 102 transitions. Word has length 37 [2018-03-29 21:32:20,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:32:20,907 INFO L459 AbstractCegarLoop]: Abstraction has 96 states and 102 transitions. [2018-03-29 21:32:20,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:32:20,907 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2018-03-29 21:32:20,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-03-29 21:32:20,909 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:32:20,909 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:32:20,909 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr6AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-29 21:32:20,909 INFO L82 PathProgramCache]: Analyzing trace with hash 858755025, now seen corresponding path program 1 times No working directory specified, using /storage/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 [2018-03-29 21:32:20,916 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:32:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:32:20,942 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:32:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:20,973 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:32:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:21,076 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:32:21,077 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-03-29 21:32:21,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-29 21:32:21,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-29 21:32:21,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-03-29 21:32:21,078 INFO L87 Difference]: Start difference. First operand 96 states and 102 transitions. Second operand 10 states. [2018-03-29 21:32:21,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:32:21,131 INFO L93 Difference]: Finished difference Result 173 states and 188 transitions. [2018-03-29 21:32:21,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-29 21:32:21,132 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2018-03-29 21:32:21,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:32:21,132 INFO L225 Difference]: With dead ends: 173 [2018-03-29 21:32:21,133 INFO L226 Difference]: Without dead ends: 108 [2018-03-29 21:32:21,133 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:32:21,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-03-29 21:32:21,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-03-29 21:32:21,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-03-29 21:32:21,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 114 transitions. [2018-03-29 21:32:21,141 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 114 transitions. Word has length 43 [2018-03-29 21:32:21,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:32:21,142 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 114 transitions. [2018-03-29 21:32:21,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-29 21:32:21,142 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2018-03-29 21:32:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-03-29 21:32:21,144 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:32:21,144 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:32:21,144 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr6AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-29 21:32:21,144 INFO L82 PathProgramCache]: Analyzing trace with hash 423115345, now seen corresponding path program 2 times No working directory specified, using /storage/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 [2018-03-29 21:32:21,160 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:32:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:32:21,185 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:32:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:21,269 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:32:21,386 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:32:21,407 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:32:21,407 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-03-29 21:32:21,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-03-29 21:32:21,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-03-29 21:32:21,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=173, Unknown=0, NotChecked=0, Total=306 [2018-03-29 21:32:21,408 INFO L87 Difference]: Start difference. First operand 108 states and 114 transitions. Second operand 18 states. [2018-03-29 21:32:21,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:32:21,469 INFO L93 Difference]: Finished difference Result 185 states and 200 transitions. [2018-03-29 21:32:21,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-29 21:32:21,470 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 55 [2018-03-29 21:32:21,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:32:21,471 INFO L225 Difference]: With dead ends: 185 [2018-03-29 21:32:21,471 INFO L226 Difference]: Without dead ends: 120 [2018-03-29 21:32:21,472 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=197, Unknown=0, NotChecked=0, Total=342 [2018-03-29 21:32:21,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-03-29 21:32:21,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-03-29 21:32:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-03-29 21:32:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 126 transitions. [2018-03-29 21:32:21,482 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 126 transitions. Word has length 55 [2018-03-29 21:32:21,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:32:21,482 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 126 transitions. [2018-03-29 21:32:21,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-03-29 21:32:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 126 transitions. [2018-03-29 21:32:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-03-29 21:32:21,485 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:32:21,485 INFO L355 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:32:21,485 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr6AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-29 21:32:21,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1997874385, now seen corresponding path program 3 times No working directory specified, using /storage/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 [2018-03-29 21:32:21,492 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:32:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:32:21,532 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:32:21,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-29 21:32:21,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:32:21,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,546 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,548 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,549 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-03-29 21:32:21,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-29 21:32:21,559 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,560 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 31 [2018-03-29 21:32:21,561 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,569 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2018-03-29 21:32:21,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2018-03-29 21:32:21,580 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,581 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,581 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,582 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,582 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,584 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 78 [2018-03-29 21:32:21,585 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,599 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,600 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2018-03-29 21:32:21,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2018-03-29 21:32:21,615 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,615 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,616 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,616 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,617 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,618 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,618 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,619 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,620 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,621 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,621 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,622 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 149 [2018-03-29 21:32:21,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,640 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,647 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,647 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:42, output treesize:38 [2018-03-29 21:32:21,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 37 [2018-03-29 21:32:21,665 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,666 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,667 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,667 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,668 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,669 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,669 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,670 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,671 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,673 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,674 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,675 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,675 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,676 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 206 [2018-03-29 21:32:21,678 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,707 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,719 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,719 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:47 [2018-03-29 21:32:21,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 44 [2018-03-29 21:32:21,743 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,744 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,745 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,746 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,746 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,747 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,748 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,748 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,749 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,750 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,750 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,751 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,752 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,752 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,753 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,754 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,755 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,758 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,759 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,760 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,761 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 253 [2018-03-29 21:32:21,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,801 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,811 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,811 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:60, output treesize:56 [2018-03-29 21:32:21,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 51 [2018-03-29 21:32:21,901 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,902 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,902 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,903 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,904 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,904 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,905 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,906 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,907 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,908 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,909 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,909 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,911 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,911 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,912 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,913 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,913 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,914 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,915 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,915 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,916 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,917 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,917 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,918 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,919 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,919 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,920 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:21,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 27 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 308 [2018-03-29 21:32:21,923 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,987 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:21,987 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:69, output treesize:65 [2018-03-29 21:32:22,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 58 [2018-03-29 21:32:22,035 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,035 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,036 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,037 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,037 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,038 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,038 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,039 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,039 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,040 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,040 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,041 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,042 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,042 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,043 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,043 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,044 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,044 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,045 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,046 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,046 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,047 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,048 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,049 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,049 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,050 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,050 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,051 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,051 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,052 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,053 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,053 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,054 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,054 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 34 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 371 [2018-03-29 21:32:22,057 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,112 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,124 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,124 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:78, output treesize:74 [2018-03-29 21:32:22,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 65 [2018-03-29 21:32:22,173 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,174 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,175 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,176 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,176 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,177 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,178 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,178 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,179 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,180 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,180 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,181 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,182 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,182 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,183 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,183 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,184 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,185 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,185 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,186 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,187 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,187 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,188 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,188 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,189 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,190 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,190 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,191 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,191 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,192 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,193 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,193 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,194 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,194 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,195 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,196 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,196 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,197 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,198 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,198 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,199 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,200 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 42 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 442 [2018-03-29 21:32:22,203 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,281 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,293 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:87, output treesize:83 [2018-03-29 21:32:22,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 72 [2018-03-29 21:32:22,354 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,355 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,356 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,357 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,358 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,359 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,360 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,361 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,362 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,363 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,363 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,364 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,365 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,366 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,367 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,367 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,368 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,369 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,369 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,370 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,370 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,371 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,371 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,372 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,372 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,373 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,374 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,374 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,375 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,375 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,376 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,376 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,377 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,377 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,378 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,378 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,379 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,380 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,380 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,381 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,381 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,382 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,382 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,383 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,383 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,384 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,385 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,385 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,386 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,386 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,387 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 51 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 521 [2018-03-29 21:32:22,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,506 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,523 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:96, output treesize:92 [2018-03-29 21:32:22,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2018-03-29 21:32:22,651 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,658 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,659 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,659 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,660 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,661 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,661 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,662 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,663 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,663 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,664 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,664 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,665 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,666 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,666 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,667 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,668 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,668 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,669 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,669 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,670 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,670 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,671 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,673 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,673 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,674 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,675 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,675 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,676 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,676 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,677 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,678 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,679 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,680 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,680 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,681 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,682 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,682 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,683 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,683 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,684 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,685 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,685 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,686 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,687 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,687 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,688 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,688 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,689 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:32:22,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 51 disjoint index pairs (out of 45 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 358 [2018-03-29 21:32:22,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,693 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,696 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:32:22,696 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:95, output treesize:7 [2018-03-29 21:32:24,480 WARN L148 SmtUtils]: Spent 104ms on a formula simplification that was a NOOP. DAG size: 68 [2018-03-29 21:32:25,029 WARN L148 SmtUtils]: Spent 111ms on a formula simplification that was a NOOP. DAG size: 69 [2018-03-29 21:32:25,497 WARN L148 SmtUtils]: Spent 101ms on a formula simplification that was a NOOP. DAG size: 75 [2018-03-29 21:32:26,270 WARN L148 SmtUtils]: Spent 124ms on a formula simplification that was a NOOP. DAG size: 76 [2018-03-29 21:32:27,514 WARN L148 SmtUtils]: Spent 130ms on a formula simplification that was a NOOP. DAG size: 80 [2018-03-29 21:33:47,445 WARN L151 SmtUtils]: Spent 79873ms on a formula simplification. DAG size of input: 3674 DAG size of output 61 [2018-03-29 21:33:47,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 141 [2018-03-29 21:33:47,639 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 170 [2018-03-29 21:33:47,659 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,664 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 114 [2018-03-29 21:33:47,688 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,693 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,700 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,706 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 152 [2018-03-29 21:33:47,720 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,724 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,727 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,732 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,735 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,739 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 210 [2018-03-29 21:33:47,754 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,757 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,761 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,765 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,771 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,772 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:47,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 17 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 263 [2018-03-29 21:33:47,786 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,790 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,794 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,797 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,800 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,804 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,808 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,808 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:47,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 324 [2018-03-29 21:33:47,820 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,822 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,824 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,826 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,829 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,831 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,833 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,835 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,836 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,839 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,840 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:47,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 27 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 395 [2018-03-29 21:33:47,858 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,866 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,874 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,883 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,890 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,892 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,894 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,895 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,897 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,899 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,901 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,903 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,906 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,908 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,908 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:47,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 35 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 474 [2018-03-29 21:33:47,934 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,936 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,938 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,940 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,941 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,943 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,944 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,945 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,947 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,948 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,949 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,950 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,951 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,952 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,953 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,954 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,955 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,956 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,957 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,958 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:47,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 43 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 561 [2018-03-29 21:33:47,976 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,977 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,979 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,980 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,982 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,983 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,984 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,986 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,987 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,989 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,990 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,991 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,993 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,994 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,995 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,996 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,997 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:47,999 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,000 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,001 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,002 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,003 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,005 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,006 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,007 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,008 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:48,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 52 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 707 [2018-03-29 21:33:48,011 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-29 21:33:48,168 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:48,253 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:48,306 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:48,340 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:48,366 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:48,388 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:48,406 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:48,422 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:48,456 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:48,681 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:48,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:33:48,718 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:10823, output treesize:205 [2018-03-29 21:33:48,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 206 treesize of output 152 [2018-03-29 21:33:48,894 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,895 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,896 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,897 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,898 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,899 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,900 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:48,901 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,902 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,903 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,903 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,904 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:48,905 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,906 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,906 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:48,907 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,914 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,915 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,916 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,917 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,917 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:48,918 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,919 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,919 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,920 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,921 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,921 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,921 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:48,922 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:48,922 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:33:48,923 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:48,923 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:48,923 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:48,924 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:33:48,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 60 disjoint index pairs (out of 190 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 418 [2018-03-29 21:33:48,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:33:49,037 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:49,044 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:33:49,044 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:212, output treesize:7 [2018-03-29 21:33:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:33:49,212 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:33:51,412 WARN L148 SmtUtils]: Spent 1884ms on a formula simplification that was a NOOP. DAG size: 128 [2018-03-29 21:33:51,573 WARN L148 SmtUtils]: Spent 159ms on a formula simplification that was a NOOP. DAG size: 78 [2018-03-29 21:33:51,800 WARN L148 SmtUtils]: Spent 226ms on a formula simplification that was a NOOP. DAG size: 90 [2018-03-29 21:33:52,222 WARN L148 SmtUtils]: Spent 421ms on a formula simplification that was a NOOP. DAG size: 88 [2018-03-29 21:33:55,060 WARN L148 SmtUtils]: Spent 160ms on a formula simplification that was a NOOP. DAG size: 136 [2018-03-29 21:33:58,185 WARN L148 SmtUtils]: Spent 192ms on a formula simplification that was a NOOP. DAG size: 148 [2018-03-29 21:33:59,166 WARN L148 SmtUtils]: Spent 171ms on a formula simplification that was a NOOP. DAG size: 148 [2018-03-29 21:34:00,544 WARN L148 SmtUtils]: Spent 214ms on a formula simplification that was a NOOP. DAG size: 154 [2018-03-29 21:34:02,178 WARN L148 SmtUtils]: Spent 446ms on a formula simplification that was a NOOP. DAG size: 74 [2018-03-29 21:34:05,152 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-29 21:34:05,152 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:34:05,153 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:34:05,153 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:17912, output treesize:1 [2018-03-29 21:34:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:34:05,280 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:34:05,280 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 30] total 67 [2018-03-29 21:34:05,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-03-29 21:34:05,281 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-03-29 21:34:05,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=716, Invalid=3706, Unknown=0, NotChecked=0, Total=4422 [2018-03-29 21:34:05,283 INFO L87 Difference]: Start difference. First operand 120 states and 126 transitions. Second operand 67 states. [2018-03-29 21:34:27,203 WARN L151 SmtUtils]: Spent 9023ms on a formula simplification. DAG size of input: 305 DAG size of output 244 [2018-03-29 21:34:38,444 WARN L151 SmtUtils]: Spent 5122ms on a formula simplification. DAG size of input: 229 DAG size of output 200 [2018-03-29 21:34:43,918 WARN L151 SmtUtils]: Spent 860ms on a formula simplification. DAG size of input: 248 DAG size of output 188 [2018-03-29 21:34:46,092 WARN L151 SmtUtils]: Spent 235ms on a formula simplification. DAG size of input: 176 DAG size of output 148 [2018-03-29 21:34:52,626 WARN L151 SmtUtils]: Spent 530ms on a formula simplification. DAG size of input: 230 DAG size of output 178 [2018-03-29 21:34:54,374 WARN L151 SmtUtils]: Spent 225ms on a formula simplification. DAG size of input: 166 DAG size of output 142 [2018-03-29 21:34:56,858 WARN L151 SmtUtils]: Spent 323ms on a formula simplification. DAG size of input: 212 DAG size of output 168 [2018-03-29 21:34:58,254 WARN L151 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 156 DAG size of output 136 [2018-03-29 21:34:59,736 WARN L151 SmtUtils]: Spent 307ms on a formula simplification. DAG size of input: 194 DAG size of output 158 [2018-03-29 21:35:00,636 WARN L151 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 146 DAG size of output 130 [2018-03-29 21:35:01,562 WARN L151 SmtUtils]: Spent 222ms on a formula simplification. DAG size of input: 176 DAG size of output 148 Received shutdown request... [2018-03-29 21:35:02,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-03-29 21:35:02,449 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-29 21:35:02,453 WARN L197 ceAbstractionStarter]: Timeout [2018-03-29 21:35:02,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 09:35:02 BoogieIcfgContainer [2018-03-29 21:35:02,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 21:35:02,455 INFO L168 Benchmark]: Toolchain (without parser) took 164023.15 ms. Allocated memory was 302.0 MB in the beginning and 489.2 MB in the end (delta: 187.2 MB). Free memory was 245.0 MB in the beginning and 442.7 MB in the end (delta: -197.7 MB). Peak memory consumption was 135.1 MB. Max. memory is 5.3 GB. [2018-03-29 21:35:02,456 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 302.0 MB. Free memory is still 264.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 21:35:02,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.74 ms. Allocated memory is still 302.0 MB. Free memory was 244.0 MB in the beginning and 234.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:35:02,457 INFO L168 Benchmark]: Boogie Preprocessor took 41.99 ms. Allocated memory is still 302.0 MB. Free memory was 234.0 MB in the beginning and 232.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:35:02,457 INFO L168 Benchmark]: RCFGBuilder took 453.87 ms. Allocated memory was 302.0 MB in the beginning and 460.3 MB in the end (delta: 158.3 MB). Free memory was 232.0 MB in the beginning and 418.8 MB in the end (delta: -186.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. [2018-03-29 21:35:02,457 INFO L168 Benchmark]: TraceAbstraction took 163279.04 ms. Allocated memory was 460.3 MB in the beginning and 489.2 MB in the end (delta: 28.8 MB). Free memory was 417.5 MB in the beginning and 442.7 MB in the end (delta: -25.2 MB). Peak memory consumption was 149.3 MB. Max. memory is 5.3 GB. [2018-03-29 21:35:02,459 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 302.0 MB. Free memory is still 264.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 240.74 ms. Allocated memory is still 302.0 MB. Free memory was 244.0 MB in the beginning and 234.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.99 ms. Allocated memory is still 302.0 MB. Free memory was 234.0 MB in the beginning and 232.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 453.87 ms. Allocated memory was 302.0 MB in the beginning and 460.3 MB in the end (delta: 158.3 MB). Free memory was 232.0 MB in the beginning and 418.8 MB in the end (delta: -186.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 163279.04 ms. Allocated memory was 460.3 MB in the beginning and 489.2 MB in the end (delta: 28.8 MB). Free memory was 417.5 MB in the beginning and 442.7 MB in the end (delta: -25.2 MB). Peak memory consumption was 149.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 42). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 48). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 60). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 43). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 49). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 46). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 41). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 54). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 41). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 43). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 37]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 37). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 51). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 57). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 41). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 48). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 52). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 52). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 41). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 51). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 55). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 45). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 46). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 55). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 54). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 57). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 58). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 60). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 45). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 42). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 49). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 58). Cancelled while BasicCegarLoop was constructing difference of abstraction (120states) and interpolant automaton (currently 54 states, 67 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 89 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 112 locations, 31 error locations. TIMEOUT Result, 163.2s OverallTime, 8 OverallIterations, 10 TraceHistogramMax, 57.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 599 SDtfs, 1071 SDslu, 1525 SDs, 0 SdLazy, 1996 SolverSat, 485 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 446 SyntacticMatches, 15 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2692 ImplicationChecksByTransitivity, 54.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 102 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 104.7s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 556 ConstructedInterpolants, 71 QuantifiedInterpolants, 56407092 SizeOfPredicates, 23 NumberOfNonLiveVariables, 796 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 0/402 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-bitfields-3.1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_21-35-02-470.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-bitfields-3.1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_21-35-02-470.csv Completed graceful shutdown