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 0.1.23-4cf2d92 [2018-03-28 13:19:06,866 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 13:19:06,868 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 13:19:06,884 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 13:19:06,884 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 13:19:06,885 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 13:19:06,886 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 13:19:06,888 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 13:19:06,890 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 13:19:06,891 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 13:19:06,892 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-28 13:19:06,892 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-28 13:19:06,893 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-28 13:19:06,895 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-28 13:19:06,896 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-28 13:19:06,898 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-28 13:19:06,900 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-28 13:19:06,902 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-28 13:19:06,903 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-28 13:19:06,904 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-28 13:19:06,907 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-28 13:19:06,907 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-28 13:19:06,907 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-28 13:19:06,908 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-28 13:19:06,909 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-28 13:19:06,911 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-28 13:19:06,911 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-28 13:19:06,912 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-28 13:19:06,912 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-28 13:19:06,913 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-28 13:19:06,913 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-28 13:19:06,914 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 [2018-03-28 13:19:06,939 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 13:19:06,939 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 13:19:06,939 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 13:19:06,939 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 13:19:06,940 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 13:19:06,940 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 13:19:06,941 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 13:19:06,941 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 13:19:06,941 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 13:19:06,941 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 13:19:06,941 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 13:19:06,942 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 13:19:06,942 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 13:19:06,942 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 13:19:06,942 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 13:19:06,943 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 13:19:06,943 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 13:19:06,943 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 13:19:06,943 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 13:19:06,943 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 13:19:06,943 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 13:19:06,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 13:19:06,944 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 13:19:06,944 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 13:19:06,944 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 13:19:06,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 13:19:06,945 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 13:19:06,945 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 13:19:06,945 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 13:19:06,945 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 13:19:06,945 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 13:19:06,946 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:19:06,946 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 13:19:06,947 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 13:19:06,947 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 13:19:06,947 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 13:19:06,947 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 13:19:06,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 13:19:06,997 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 13:19:07,001 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 13:19:07,002 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 13:19:07,003 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 13:19:07,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-28 13:19:07,332 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG446e9aa0a [2018-03-28 13:19:07,466 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 13:19:07,467 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 13:19:07,467 INFO L171 CDTParser]: Scanning test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-28 13:19:07,469 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 13:19:07,469 INFO L215 ultiparseSymbolTable]: [2018-03-28 13:19:07,469 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 13:19:07,469 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-28 13:19:07,469 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 13:19:07,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_bitfields_____true_valid_memsafety_true_termination_i__d in test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-28 13:19:07,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_bitfields_____true_valid_memsafety_true_termination_i__size_t in test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-28 13:19:07,486 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG446e9aa0a [2018-03-28 13:19:07,490 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 13:19:07,494 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 13:19:07,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 13:19:07,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 13:19:07,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 13:19:07,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:19:07" (1/1) ... [2018-03-28 13:19:07,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa5f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:19:07, skipping insertion in model container [2018-03-28 13:19:07,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:19:07" (1/1) ... [2018-03-28 13:19:07,522 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:19:07,536 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:19:07,682 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:19:07,710 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:19:07,716 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 12 non ball SCCs. Number of states in SCCs 12. [2018-03-28 13:19:07,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:19:07 WrapperNode [2018-03-28 13:19:07,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 13:19:07,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 13:19:07,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 13:19:07,728 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 13:19:07,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:19:07" (1/1) ... [2018-03-28 13:19:07,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:19:07" (1/1) ... [2018-03-28 13:19:07,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:19:07" (1/1) ... [2018-03-28 13:19:07,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:19:07" (1/1) ... [2018-03-28 13:19:07,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:19:07" (1/1) ... [2018-03-28 13:19:07,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:19:07" (1/1) ... [2018-03-28 13:19:07,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:19:07" (1/1) ... [2018-03-28 13:19:07,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 13:19:07,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 13:19:07,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 13:19:07,763 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 13:19:07,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:19:07" (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 [2018-03-28 13:19:07,815 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 13:19:07,815 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 13:19:07,815 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 13:19:07,815 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-03-28 13:19:07,815 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-03-28 13:19:07,816 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 13:19:07,816 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 13:19:07,816 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 13:19:07,816 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 13:19:07,816 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-03-28 13:19:07,816 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 13:19:07,816 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 13:19:07,816 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 13:19:07,816 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 13:19:07,817 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 13:19:07,817 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 13:19:08,156 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-03-28 13:19:08,200 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 13:19:08,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:19:08 BoogieIcfgContainer [2018-03-28 13:19:08,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 13:19:08,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 13:19:08,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 13:19:08,204 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 13:19:08,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 01:19:07" (1/3) ... [2018-03-28 13:19:08,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23be45c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:19:08, skipping insertion in model container [2018-03-28 13:19:08,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:19:07" (2/3) ... [2018-03-28 13:19:08,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23be45c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:19:08, skipping insertion in model container [2018-03-28 13:19:08,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:19:08" (3/3) ... [2018-03-28 13:19:08,206 INFO L107 eAbstractionObserver]: Analyzing ICFG test-bitfields-3.1_true-valid-memsafety_true-termination.i [2018-03-28 13:19:08,212 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 13:19:08,218 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2018-03-28 13:19:08,259 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 13:19:08,259 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 13:19:08,260 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 13:19:08,260 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 13:19:08,260 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 13:19:08,260 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 13:19:08,260 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 13:19:08,260 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 13:19:08,261 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 13:19:08,261 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 13:19:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-03-28 13:19:08,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-28 13:19:08,280 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:19:08,281 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] [2018-03-28 13:19:08,281 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]=== [2018-03-28 13:19:08,285 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 [2018-03-28 13:19:08,296 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:19:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:19:08,344 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:19:08,379 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 [2018-03-28 13:19:08,381 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:08,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:08,385 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:19:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:08,398 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:19:08,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:08,432 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:19:08,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 13:19:08,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 13:19:08,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 13:19:08,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 13:19:08,446 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 4 states. [2018-03-28 13:19:08,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:19:08,778 INFO L93 Difference]: Finished difference Result 179 states and 200 transitions. [2018-03-28 13:19:08,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 13:19:08,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-03-28 13:19:08,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:19:08,793 INFO L225 Difference]: With dead ends: 179 [2018-03-28 13:19:08,793 INFO L226 Difference]: Without dead ends: 162 [2018-03-28 13:19:08,797 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 [2018-03-28 13:19:08,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-03-28 13:19:08,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 108. [2018-03-28 13:19:08,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-03-28 13:19:08,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2018-03-28 13:19:08,838 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 21 [2018-03-28 13:19:08,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:19:08,839 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2018-03-28 13:19:08,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 13:19:08,840 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2018-03-28 13:19:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-28 13:19:08,840 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:19:08,841 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] [2018-03-28 13:19:08,841 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]=== [2018-03-28 13:19:08,841 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 [2018-03-28 13:19:08,851 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:19:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:19:08,874 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:19:08,878 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 [2018-03-28 13:19:08,878 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:08,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:08,889 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:19:08,907 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 [2018-03-28 13:19:08,908 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:08,914 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. [2018-03-28 13:19:08,914 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-28 13:19:08,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:08,922 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:19:08,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:08,967 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:19:08,967 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-28 13:19:08,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-28 13:19:08,968 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-28 13:19:08,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-28 13:19:08,969 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand 3 states. [2018-03-28 13:19:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:19:09,043 INFO L93 Difference]: Finished difference Result 156 states and 172 transitions. [2018-03-28 13:19:09,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-28 13:19:09,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-03-28 13:19:09,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:19:09,045 INFO L225 Difference]: With dead ends: 156 [2018-03-28 13:19:09,046 INFO L226 Difference]: Without dead ends: 155 [2018-03-28 13:19:09,047 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 [2018-03-28 13:19:09,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-03-28 13:19:09,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 107. [2018-03-28 13:19:09,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-03-28 13:19:09,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 119 transitions. [2018-03-28 13:19:09,057 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 119 transitions. Word has length 21 [2018-03-28 13:19:09,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:19:09,058 INFO L459 AbstractCegarLoop]: Abstraction has 107 states and 119 transitions. [2018-03-28 13:19:09,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-28 13:19:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2018-03-28 13:19:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-28 13:19:09,059 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:19:09,059 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] [2018-03-28 13:19:09,059 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]=== [2018-03-28 13:19:09,060 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 [2018-03-28 13:19:09,071 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:19:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:19:09,093 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:19:09,098 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 [2018-03-28 13:19:09,098 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:09,101 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:09,101 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:19:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:09,121 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:19:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:09,186 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:19:09,186 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-28 13:19:09,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 13:19:09,186 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 13:19:09,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 13:19:09,187 INFO L87 Difference]: Start difference. First operand 107 states and 119 transitions. Second operand 6 states. [2018-03-28 13:19:09,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:19:09,281 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2018-03-28 13:19:09,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 13:19:09,281 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-03-28 13:19:09,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:19:09,283 INFO L225 Difference]: With dead ends: 107 [2018-03-28 13:19:09,283 INFO L226 Difference]: Without dead ends: 93 [2018-03-28 13:19:09,283 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 [2018-03-28 13:19:09,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-03-28 13:19:09,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-03-28 13:19:09,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-03-28 13:19:09,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2018-03-28 13:19:09,291 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 21 [2018-03-28 13:19:09,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:19:09,292 INFO L459 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2018-03-28 13:19:09,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 13:19:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2018-03-28 13:19:09,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-28 13:19:09,293 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:19:09,293 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] [2018-03-28 13:19:09,293 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]=== [2018-03-28 13:19:09,293 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 [2018-03-28 13:19:09,306 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:19:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:19:09,329 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:19:09,333 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 [2018-03-28 13:19:09,333 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:09,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:09,337 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:19:09,370 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 [2018-03-28 13:19:09,370 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:09,380 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. [2018-03-28 13:19:09,380 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-03-28 13:19:09,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:09,384 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:19:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:09,714 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:19:09,714 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2018-03-28 13:19:09,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 13:19:09,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 13:19:09,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=10, Unknown=1, NotChecked=0, Total=20 [2018-03-28 13:19:09,715 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand 5 states. [2018-03-28 13:19:09,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:19:09,768 INFO L93 Difference]: Finished difference Result 93 states and 99 transitions. [2018-03-28 13:19:09,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-28 13:19:09,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-03-28 13:19:09,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:19:09,770 INFO L225 Difference]: With dead ends: 93 [2018-03-28 13:19:09,770 INFO L226 Difference]: Without dead ends: 92 [2018-03-28 13:19:09,770 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=10, Unknown=1, NotChecked=0, Total=20 [2018-03-28 13:19:09,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-03-28 13:19:09,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-03-28 13:19:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-03-28 13:19:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2018-03-28 13:19:09,777 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 21 [2018-03-28 13:19:09,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:19:09,777 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2018-03-28 13:19:09,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 13:19:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2018-03-28 13:19:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-03-28 13:19:09,778 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:19:09,779 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] [2018-03-28 13:19:09,779 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]=== [2018-03-28 13:19:09,779 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 [2018-03-28 13:19:09,784 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:19:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:19:09,809 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:19:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:09,821 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:19:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:09,912 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:19:09,912 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-28 13:19:09,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 13:19:09,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 13:19:09,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-03-28 13:19:09,913 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand 6 states. [2018-03-28 13:19:09,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:19:09,946 INFO L93 Difference]: Finished difference Result 161 states and 174 transitions. [2018-03-28 13:19:09,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 13:19:09,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-03-28 13:19:09,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:19:09,947 INFO L225 Difference]: With dead ends: 161 [2018-03-28 13:19:09,947 INFO L226 Difference]: Without dead ends: 96 [2018-03-28 13:19:09,948 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 [2018-03-28 13:19:09,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-03-28 13:19:09,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-03-28 13:19:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-03-28 13:19:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 102 transitions. [2018-03-28 13:19:09,955 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 102 transitions. Word has length 37 [2018-03-28 13:19:09,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:19:09,955 INFO L459 AbstractCegarLoop]: Abstraction has 96 states and 102 transitions. [2018-03-28 13:19:09,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 13:19:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2018-03-28 13:19:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-03-28 13:19:09,956 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:19:09,956 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] [2018-03-28 13:19:09,956 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]=== [2018-03-28 13:19:09,956 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 [2018-03-28 13:19:09,962 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:19:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:19:09,983 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:19:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:10,019 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:19:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:10,086 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 13:19:10,086 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-03-28 13:19:10,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 13:19:10,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 13:19:10,087 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-03-28 13:19:10,087 INFO L87 Difference]: Start difference. First operand 96 states and 102 transitions. Second operand 10 states. [2018-03-28 13:19:10,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:19:10,149 INFO L93 Difference]: Finished difference Result 173 states and 188 transitions. [2018-03-28 13:19:10,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-28 13:19:10,150 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2018-03-28 13:19:10,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:19:10,151 INFO L225 Difference]: With dead ends: 173 [2018-03-28 13:19:10,151 INFO L226 Difference]: Without dead ends: 108 [2018-03-28 13:19:10,151 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 [2018-03-28 13:19:10,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-03-28 13:19:10,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-03-28 13:19:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-03-28 13:19:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 114 transitions. [2018-03-28 13:19:10,157 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 114 transitions. Word has length 43 [2018-03-28 13:19:10,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:19:10,158 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 114 transitions. [2018-03-28 13:19:10,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 13:19:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2018-03-28 13:19:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-03-28 13:19:10,159 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:19:10,159 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] [2018-03-28 13:19:10,159 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]=== [2018-03-28 13:19:10,159 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 [2018-03-28 13:19:10,168 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:19:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:19:10,199 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:19:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:10,258 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:19:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:19:10,399 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 13:19:10,400 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-03-28 13:19:10,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-03-28 13:19:10,400 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-03-28 13:19:10,400 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=173, Unknown=0, NotChecked=0, Total=306 [2018-03-28 13:19:10,401 INFO L87 Difference]: Start difference. First operand 108 states and 114 transitions. Second operand 18 states. [2018-03-28 13:19:10,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:19:10,537 INFO L93 Difference]: Finished difference Result 185 states and 200 transitions. [2018-03-28 13:19:10,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-28 13:19:10,537 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 55 [2018-03-28 13:19:10,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:19:10,539 INFO L225 Difference]: With dead ends: 185 [2018-03-28 13:19:10,539 INFO L226 Difference]: Without dead ends: 120 [2018-03-28 13:19:10,540 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 [2018-03-28 13:19:10,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-03-28 13:19:10,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-03-28 13:19:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-03-28 13:19:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 126 transitions. [2018-03-28 13:19:10,549 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 126 transitions. Word has length 55 [2018-03-28 13:19:10,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:19:10,550 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 126 transitions. [2018-03-28 13:19:10,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-03-28 13:19:10,550 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 126 transitions. [2018-03-28 13:19:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-03-28 13:19:10,552 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:19:10,552 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] [2018-03-28 13:19:10,552 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]=== [2018-03-28 13:19:10,552 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 [2018-03-28 13:19:10,570 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:19:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:19:10,615 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:19:10,621 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 [2018-03-28 13:19:10,623 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 [2018-03-28 13:19:10,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,627 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,627 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-03-28 13:19:10,635 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 [2018-03-28 13:19:10,638 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,638 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,639 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 [2018-03-28 13:19:10,640 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,645 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,648 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,649 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2018-03-28 13:19:10,658 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 [2018-03-28 13:19:10,660 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,660 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,661 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,662 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,662 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,663 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,664 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 [2018-03-28 13:19:10,664 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,674 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,679 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,679 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2018-03-28 13:19:10,691 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 [2018-03-28 13:19:10,694 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,694 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,695 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,695 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,696 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,697 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,697 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,698 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,699 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,699 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,700 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,700 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,701 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 [2018-03-28 13:19:10,702 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,718 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,727 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,728 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:42, output treesize:38 [2018-03-28 13:19:10,743 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 [2018-03-28 13:19:10,747 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,747 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,748 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,749 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,749 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,750 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,751 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,751 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,752 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,753 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,753 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,754 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,755 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,755 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,756 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,756 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,758 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 [2018-03-28 13:19:10,759 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,780 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,788 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,788 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:47 [2018-03-28 13:19:10,805 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 [2018-03-28 13:19:10,809 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,811 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,811 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,812 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,813 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,814 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,814 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,815 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,817 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,818 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,818 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,819 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,820 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,820 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,821 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,822 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,823 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,827 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,828 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,832 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,833 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,834 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 [2018-03-28 13:19:10,835 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,878 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,888 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:10,888 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:60, output treesize:56 [2018-03-28 13:19:10,957 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 [2018-03-28 13:19:10,961 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,962 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,963 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,964 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,964 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,965 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,966 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,966 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,967 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,984 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,985 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,985 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,986 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,987 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,988 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,988 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,989 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,990 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,990 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,991 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,992 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,993 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,993 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,994 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,995 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,996 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,996 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:10,998 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 [2018-03-28 13:19:11,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,070 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,098 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:69, output treesize:65 [2018-03-28 13:19:11,136 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 [2018-03-28 13:19:11,142 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,142 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,143 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,144 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,144 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,145 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,146 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,146 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,147 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,148 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,148 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,149 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,149 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,150 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,150 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,151 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,152 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,152 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,153 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,153 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,154 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,154 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,155 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,156 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,156 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,157 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,158 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,158 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,159 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,160 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,160 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,161 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,162 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,162 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,164 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 [2018-03-28 13:19:11,165 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,224 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,238 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:78, output treesize:74 [2018-03-28 13:19:11,266 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 [2018-03-28 13:19:11,273 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,281 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,282 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,283 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,284 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,285 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,285 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,286 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,287 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,288 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,289 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,289 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,290 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,291 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,292 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,292 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,293 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,294 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,295 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,296 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,296 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,297 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,298 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,299 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,299 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,300 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,301 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,301 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,302 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,302 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,303 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,304 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,304 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,305 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,310 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,311 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,312 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,313 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,313 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,314 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,315 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,315 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,317 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 [2018-03-28 13:19:11,318 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,389 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,402 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,402 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:87, output treesize:83 [2018-03-28 13:19:11,433 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 [2018-03-28 13:19:11,440 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,441 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,442 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,443 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,444 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,445 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,446 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,447 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,448 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,449 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,450 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,451 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,452 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,452 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,453 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,454 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,455 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,456 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,457 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,458 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,459 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,460 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,461 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,462 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,463 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,464 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,465 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,466 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,467 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,468 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,469 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,470 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,471 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,472 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,472 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,473 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,474 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,474 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,475 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,476 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,476 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,477 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,478 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,479 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,479 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,480 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,481 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,482 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,483 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,483 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,484 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,486 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 [2018-03-28 13:19:11,488 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,622 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,638 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,638 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:96, output treesize:92 [2018-03-28 13:19:11,769 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 [2018-03-28 13:19:11,775 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,776 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,776 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,777 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,778 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,779 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,780 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,781 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,781 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,782 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,783 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,791 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,799 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,800 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,801 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,802 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,803 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,803 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,804 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,805 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,806 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,807 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,808 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,808 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,809 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,810 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,811 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,811 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,812 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,813 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,813 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,814 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,823 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,824 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,825 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,825 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,826 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,826 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,827 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,827 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,828 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,828 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,829 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,829 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,830 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,830 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,831 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,831 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,832 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,833 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,833 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:19:11,835 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 [2018-03-28 13:19:11,836 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,837 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,840 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:19:11,840 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:95, output treesize:7 [2018-03-28 13:19:15,896 WARN L148 SmtUtils]: Spent 134ms on a formula simplification that was a NOOP. DAG size: 76 [2018-03-28 13:19:17,277 WARN L148 SmtUtils]: Spent 119ms on a formula simplification that was a NOOP. DAG size: 80 [2018-03-28 13:20:36,114 WARN L151 SmtUtils]: Spent 78742ms on a formula simplification. DAG size of input: 3674 DAG size of output 61 [2018-03-28 13:20:36,307 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 [2018-03-28 13:20:36,317 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 [2018-03-28 13:20:36,339 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,349 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,350 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 [2018-03-28 13:20:36,366 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,375 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,384 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,389 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,390 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 [2018-03-28 13:20:36,404 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,410 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,418 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,424 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,427 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,433 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,434 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 [2018-03-28 13:20:36,447 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,449 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,455 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,459 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,463 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,464 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:36,465 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 [2018-03-28 13:20:36,478 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,482 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,484 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,487 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,490 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,493 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,497 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,498 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:36,499 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 [2018-03-28 13:20:36,510 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,512 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,514 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,518 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,519 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,521 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,523 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,526 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,528 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,533 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,533 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:36,535 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 [2018-03-28 13:20:36,549 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,552 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,555 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,557 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,561 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,563 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,566 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,570 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,573 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,576 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,579 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,581 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,584 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,586 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,587 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:36,588 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 [2018-03-28 13:20:36,605 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,607 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,609 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,612 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,614 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,616 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,618 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,620 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,622 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,623 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,626 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,627 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,628 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,630 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,631 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,633 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,633 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,634 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,636 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,636 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:36,637 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 [2018-03-28 13:20:36,649 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,663 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,664 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,665 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,668 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,669 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,670 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,671 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,673 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,674 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,675 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,676 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,676 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,677 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,678 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,679 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,680 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,681 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,681 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,682 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,683 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,684 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,685 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,686 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:36,686 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:36,688 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 [2018-03-28 13:20:36,690 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-28 13:20:36,895 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:36,962 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,006 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,040 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,068 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,091 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,110 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,126 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,163 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,399 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,436 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. [2018-03-28 13:20:37,436 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:10823, output treesize:205 [2018-03-28 13:20:37,644 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 [2018-03-28 13:20:37,656 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,658 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,659 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,660 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,661 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,662 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,663 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:37,664 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,665 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,666 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,667 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,668 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:37,669 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,670 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,670 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:37,671 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,674 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,675 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,677 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,677 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:37,678 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,679 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,680 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,680 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,681 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,682 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,682 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:37,682 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:37,683 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:20:37,684 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:37,684 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:37,684 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:37,685 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:20:37,687 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 [2018-03-28 13:20:37,688 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,816 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:37,821 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:212, output treesize:7 [2018-03-28 13:20:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:20:38,014 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:20:40,582 WARN L148 SmtUtils]: Spent 2188ms on a formula simplification that was a NOOP. DAG size: 128 [2018-03-28 13:20:40,975 WARN L148 SmtUtils]: Spent 303ms on a formula simplification that was a NOOP. DAG size: 90 [2018-03-28 13:20:41,230 WARN L148 SmtUtils]: Spent 254ms on a formula simplification that was a NOOP. DAG size: 88 [2018-03-28 13:20:46,169 WARN L148 SmtUtils]: Spent 120ms on a formula simplification that was a NOOP. DAG size: 142 [2018-03-28 13:20:47,254 WARN L148 SmtUtils]: Spent 106ms on a formula simplification that was a NOOP. DAG size: 148 [2018-03-28 13:20:48,303 WARN L148 SmtUtils]: Spent 146ms on a formula simplification that was a NOOP. DAG size: 148 [2018-03-28 13:20:49,593 WARN L148 SmtUtils]: Spent 211ms on a formula simplification that was a NOOP. DAG size: 154 [2018-03-28 13:20:51,162 WARN L148 SmtUtils]: Spent 409ms on a formula simplification that was a NOOP. DAG size: 74 [2018-03-28 13:20:54,040 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 13:20:54,040 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:20:54,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:20:54,041 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:17912, output treesize:1 [2018-03-28 13:20:54,144 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:20:54,165 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 13:20:54,165 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 30] total 67 [2018-03-28 13:20:54,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-03-28 13:20:54,166 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-03-28 13:20:54,167 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=716, Invalid=3706, Unknown=0, NotChecked=0, Total=4422 [2018-03-28 13:20:54,167 INFO L87 Difference]: Start difference. First operand 120 states and 126 transitions. Second operand 67 states. [2018-03-28 13:21:16,906 WARN L151 SmtUtils]: Spent 8701ms on a formula simplification. DAG size of input: 305 DAG size of output 244 [2018-03-28 13:21:27,173 WARN L151 SmtUtils]: Spent 4755ms on a formula simplification. DAG size of input: 229 DAG size of output 200 [2018-03-28 13:21:33,456 WARN L151 SmtUtils]: Spent 884ms on a formula simplification. DAG size of input: 248 DAG size of output 188 [2018-03-28 13:21:35,580 WARN L151 SmtUtils]: Spent 283ms on a formula simplification. DAG size of input: 176 DAG size of output 148 [2018-03-28 13:21:39,783 WARN L151 SmtUtils]: Spent 597ms on a formula simplification. DAG size of input: 230 DAG size of output 178 [2018-03-28 13:21:41,708 WARN L151 SmtUtils]: Spent 173ms on a formula simplification. DAG size of input: 166 DAG size of output 142 [2018-03-28 13:21:44,275 WARN L151 SmtUtils]: Spent 309ms on a formula simplification. DAG size of input: 212 DAG size of output 168 [2018-03-28 13:21:45,730 WARN L151 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 156 DAG size of output 136 [2018-03-28 13:21:47,447 WARN L151 SmtUtils]: Spent 308ms on a formula simplification. DAG size of input: 194 DAG size of output 158 [2018-03-28 13:21:48,347 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 146 DAG size of output 130 [2018-03-28 13:21:49,331 WARN L151 SmtUtils]: Spent 192ms on a formula simplification. DAG size of input: 176 DAG size of output 148 [2018-03-28 13:21:50,361 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 136 DAG size of output 124 [2018-03-28 13:21:51,210 WARN L151 SmtUtils]: Spent 186ms on a formula simplification. DAG size of input: 158 DAG size of output 138 Received shutdown request... [2018-03-28 13:21:51,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-03-28 13:21:51,416 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-28 13:21:51,421 WARN L197 ceAbstractionStarter]: Timeout [2018-03-28 13:21:51,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 01:21:51 BoogieIcfgContainer [2018-03-28 13:21:51,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-28 13:21:51,422 INFO L168 Benchmark]: Toolchain (without parser) took 163930.93 ms. Allocated memory was 303.6 MB in the beginning and 499.1 MB in the end (delta: 195.6 MB). Free memory was 245.6 MB in the beginning and 400.6 MB in the end (delta: -155.0 MB). Peak memory consumption was 40.6 MB. Max. memory is 5.3 GB. [2018-03-28 13:21:51,423 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 303.6 MB. Free memory is still 265.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 13:21:51,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.46 ms. Allocated memory is still 303.6 MB. Free memory was 244.6 MB in the beginning and 234.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-03-28 13:21:51,423 INFO L168 Benchmark]: Boogie Preprocessor took 34.87 ms. Allocated memory is still 303.6 MB. Free memory was 234.6 MB in the beginning and 232.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-28 13:21:51,423 INFO L168 Benchmark]: RCFGBuilder took 437.27 ms. Allocated memory was 303.6 MB in the beginning and 459.3 MB in the end (delta: 155.7 MB). Free memory was 232.5 MB in the beginning and 417.1 MB in the end (delta: -184.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-03-28 13:21:51,424 INFO L168 Benchmark]: TraceAbstraction took 163219.64 ms. Allocated memory was 459.3 MB in the beginning and 499.1 MB in the end (delta: 39.8 MB). Free memory was 417.1 MB in the beginning and 400.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 56.3 MB. Max. memory is 5.3 GB. [2018-03-28 13:21:51,426 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 303.6 MB. Free memory is still 265.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 232.46 ms. Allocated memory is still 303.6 MB. Free memory was 244.6 MB in the beginning and 234.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.87 ms. Allocated memory is still 303.6 MB. Free memory was 234.6 MB in the beginning and 232.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 437.27 ms. Allocated memory was 303.6 MB in the beginning and 459.3 MB in the end (delta: 155.7 MB). Free memory was 232.5 MB in the beginning and 417.1 MB in the end (delta: -184.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 163219.64 ms. Allocated memory was 459.3 MB in the beginning and 499.1 MB in the end (delta: 39.8 MB). Free memory was 417.1 MB in the beginning and 400.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 56.3 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - 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 56 states, 67 states before enhancement), while ReachableStatesComputation was computing reachable states (153 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 112 locations, 31 error locations. TIMEOUT Result, 163.1s OverallTime, 8 OverallIterations, 10 TraceHistogramMax, 58.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 604 SDtfs, 1132 SDslu, 1676 SDs, 0 SdLazy, 2068 SolverSat, 497 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 593 GetRequests, 446 SyntacticMatches, 15 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2732 ImplicationChecksByTransitivity, 59.5s 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, 104.4s 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-0-2018-03-28_13-21-51-436.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-0-2018-03-28_13-21-51-436.csv Completed graceful shutdown