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/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 02:38:50,691 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 02:38:50,693 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 02:38:50,706 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 02:38:50,706 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 02:38:50,707 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 02:38:50,707 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 02:38:50,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 02:38:50,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 02:38:50,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 02:38:50,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 02:38:50,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 02:38:50,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 02:38:50,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 02:38:50,715 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 02:38:50,717 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 02:38:50,718 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 02:38:50,720 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 02:38:50,721 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 02:38:50,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 02:38:50,723 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 02:38:50,724 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 02:38:50,724 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 02:38:50,725 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 02:38:50,725 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 02:38:50,726 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 02:38:50,726 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 02:38:50,727 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 02:38:50,727 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 02:38:50,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 02:38:50,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 02:38:50,728 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-04 02:38:50,737 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 02:38:50,737 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 02:38:50,737 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 02:38:50,738 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 02:38:50,738 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 02:38:50,738 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 02:38:50,738 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 02:38:50,738 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 02:38:50,738 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 02:38:50,738 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 02:38:50,738 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 02:38:50,738 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 02:38:50,739 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 02:38:50,739 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 02:38:50,739 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 02:38:50,739 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 02:38:50,739 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 02:38:50,739 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 02:38:50,739 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 02:38:50,739 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 02:38:50,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 02:38:50,740 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 02:38:50,740 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 02:38:50,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 02:38:50,772 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 02:38:50,774 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 02:38:50,775 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 02:38:50,776 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 02:38:50,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-02-04 02:38:50,914 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 02:38:50,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 02:38:50,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 02:38:50,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 02:38:50,920 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 02:38:50,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 02:38:50" (1/1) ... [2018-02-04 02:38:50,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7daeeeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:38:50, skipping insertion in model container [2018-02-04 02:38:50,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 02:38:50" (1/1) ... [2018-02-04 02:38:50,934 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 02:38:50,962 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 02:38:51,064 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 02:38:51,088 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 02:38:51,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:38:51 WrapperNode [2018-02-04 02:38:51,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 02:38:51,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 02:38:51,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 02:38:51,099 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 02:38:51,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:38:51" (1/1) ... [2018-02-04 02:38:51,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:38:51" (1/1) ... [2018-02-04 02:38:51,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:38:51" (1/1) ... [2018-02-04 02:38:51,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:38:51" (1/1) ... [2018-02-04 02:38:51,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:38:51" (1/1) ... [2018-02-04 02:38:51,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:38:51" (1/1) ... [2018-02-04 02:38:51,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:38:51" (1/1) ... [2018-02-04 02:38:51,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 02:38:51,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 02:38:51,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 02:38:51,138 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 02:38:51,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:38:51" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 02:38:51,179 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 02:38:51,179 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 02:38:51,179 INFO L136 BoogieDeclarations]: Found implementation of procedure containsHead [2018-02-04 02:38:51,179 INFO L136 BoogieDeclarations]: Found implementation of procedure containsBody [2018-02-04 02:38:51,179 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-02-04 02:38:51,179 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 02:38:51,179 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 02:38:51,180 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 02:38:51,180 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 02:38:51,180 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 02:38:51,180 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 02:38:51,180 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 02:38:51,180 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 02:38:51,180 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 02:38:51,180 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-02-04 02:38:51,180 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 02:38:51,180 INFO L128 BoogieDeclarations]: Found specification of procedure containsHead [2018-02-04 02:38:51,180 INFO L128 BoogieDeclarations]: Found specification of procedure containsBody [2018-02-04 02:38:51,181 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-02-04 02:38:51,181 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 02:38:51,181 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 02:38:51,181 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 02:38:51,798 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 02:38:51,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 02:38:51 BoogieIcfgContainer [2018-02-04 02:38:51,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 02:38:51,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 02:38:51,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 02:38:51,802 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 02:38:51,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 02:38:50" (1/3) ... [2018-02-04 02:38:51,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31fb2df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 02:38:51, skipping insertion in model container [2018-02-04 02:38:51,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:38:51" (2/3) ... [2018-02-04 02:38:51,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31fb2df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 02:38:51, skipping insertion in model container [2018-02-04 02:38:51,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 02:38:51" (3/3) ... [2018-02-04 02:38:51,807 INFO L107 eAbstractionObserver]: Analyzing ICFG split_list_test05_true-valid-memsafety.i [2018-02-04 02:38:51,815 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 02:38:51,822 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-02-04 02:38:51,854 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 02:38:51,855 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 02:38:51,855 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 02:38:51,855 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 02:38:51,855 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 02:38:51,855 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 02:38:51,855 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 02:38:51,856 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 02:38:51,856 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 02:38:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states. [2018-02-04 02:38:51,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 02:38:51,882 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:38:51,883 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:38:51,883 INFO L371 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:38:51,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1352779119, now seen corresponding path program 1 times [2018-02-04 02:38:51,930 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:38:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:38:51,959 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:38:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:52,000 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:38:52,000 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:38:52,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:38:52,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:52,002 INFO L182 omatonBuilderFactory]: Interpolants [336#true, 337#false, 338#(= 1 (select |#valid| |main_#t~malloc67.base|)), 339#(= 1 (select |#valid| main_~list~0.base))] [2018-02-04 02:38:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:52,069 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:38:52,081 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:38:52,081 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:38:52,084 INFO L87 Difference]: Start difference. First operand 333 states. Second operand 4 states. [2018-02-04 02:38:52,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:38:52,496 INFO L93 Difference]: Finished difference Result 388 states and 433 transitions. [2018-02-04 02:38:52,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 02:38:52,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 02:38:52,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:38:52,508 INFO L225 Difference]: With dead ends: 388 [2018-02-04 02:38:52,508 INFO L226 Difference]: Without dead ends: 385 [2018-02-04 02:38:52,509 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:38:52,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-02-04 02:38:52,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 345. [2018-02-04 02:38:52,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-02-04 02:38:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 389 transitions. [2018-02-04 02:38:52,548 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 389 transitions. Word has length 8 [2018-02-04 02:38:52,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:38:52,549 INFO L432 AbstractCegarLoop]: Abstraction has 345 states and 389 transitions. [2018-02-04 02:38:52,549 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:38:52,549 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 389 transitions. [2018-02-04 02:38:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 02:38:52,549 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:38:52,549 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:38:52,549 INFO L371 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:38:52,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1352779118, now seen corresponding path program 1 times [2018-02-04 02:38:52,551 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:38:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:38:52,562 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:38:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:52,620 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:38:52,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:38:52,620 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:38:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:52,621 INFO L182 omatonBuilderFactory]: Interpolants [1075#true, 1076#false, 1077#(and (= 8 (select |#length| |main_#t~malloc67.base|)) (= 0 |main_#t~malloc67.offset|)), 1078#(and (= main_~list~0.offset 0) (= (select |#length| main_~list~0.base) 8))] [2018-02-04 02:38:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:52,623 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:38:52,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:38:52,624 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:38:52,624 INFO L87 Difference]: Start difference. First operand 345 states and 389 transitions. Second operand 4 states. [2018-02-04 02:38:52,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:38:52,826 INFO L93 Difference]: Finished difference Result 347 states and 393 transitions. [2018-02-04 02:38:52,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 02:38:52,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 02:38:52,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:38:52,829 INFO L225 Difference]: With dead ends: 347 [2018-02-04 02:38:52,829 INFO L226 Difference]: Without dead ends: 347 [2018-02-04 02:38:52,829 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:38:52,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-02-04 02:38:52,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 343. [2018-02-04 02:38:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-02-04 02:38:52,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 387 transitions. [2018-02-04 02:38:52,841 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 387 transitions. Word has length 8 [2018-02-04 02:38:52,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:38:52,842 INFO L432 AbstractCegarLoop]: Abstraction has 343 states and 387 transitions. [2018-02-04 02:38:52,842 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:38:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 387 transitions. [2018-02-04 02:38:52,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 02:38:52,842 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:38:52,843 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:38:52,843 INFO L371 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:38:52,843 INFO L82 PathProgramCache]: Analyzing trace with hash 543788340, now seen corresponding path program 1 times [2018-02-04 02:38:52,844 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:38:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:38:52,861 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:38:52,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:52,887 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:38:52,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:38:52,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:38:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:52,888 INFO L182 omatonBuilderFactory]: Interpolants [1771#true, 1772#false, 1773#(= 1 (select |#valid| |append_#t~malloc52.base|)), 1774#(= 1 (select |#valid| append_~node~0.base))] [2018-02-04 02:38:52,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:52,889 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:38:52,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:38:52,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:38:52,889 INFO L87 Difference]: Start difference. First operand 343 states and 387 transitions. Second operand 4 states. [2018-02-04 02:38:53,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:38:53,150 INFO L93 Difference]: Finished difference Result 338 states and 382 transitions. [2018-02-04 02:38:53,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 02:38:53,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-02-04 02:38:53,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:38:53,152 INFO L225 Difference]: With dead ends: 338 [2018-02-04 02:38:53,152 INFO L226 Difference]: Without dead ends: 338 [2018-02-04 02:38:53,152 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:38:53,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-02-04 02:38:53,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-02-04 02:38:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-02-04 02:38:53,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 382 transitions. [2018-02-04 02:38:53,163 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 382 transitions. Word has length 18 [2018-02-04 02:38:53,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:38:53,163 INFO L432 AbstractCegarLoop]: Abstraction has 338 states and 382 transitions. [2018-02-04 02:38:53,163 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:38:53,163 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 382 transitions. [2018-02-04 02:38:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 02:38:53,164 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:38:53,164 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:38:53,164 INFO L371 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:38:53,164 INFO L82 PathProgramCache]: Analyzing trace with hash 543788341, now seen corresponding path program 1 times [2018-02-04 02:38:53,165 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:38:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:38:53,178 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:38:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:53,218 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:38:53,219 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:38:53,219 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:38:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:53,219 INFO L182 omatonBuilderFactory]: Interpolants [2453#true, 2454#false, 2455#(and (= 9 (select |#length| |append_#t~malloc52.base|)) (= 0 |append_#t~malloc52.offset|)), 2456#(and (= append_~node~0.offset 0) (= (select |#length| append_~node~0.base) 9))] [2018-02-04 02:38:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:53,219 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:38:53,220 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:38:53,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:38:53,220 INFO L87 Difference]: Start difference. First operand 338 states and 382 transitions. Second operand 4 states. [2018-02-04 02:38:53,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:38:53,386 INFO L93 Difference]: Finished difference Result 333 states and 377 transitions. [2018-02-04 02:38:53,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 02:38:53,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-02-04 02:38:53,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:38:53,388 INFO L225 Difference]: With dead ends: 333 [2018-02-04 02:38:53,388 INFO L226 Difference]: Without dead ends: 333 [2018-02-04 02:38:53,388 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:38:53,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-02-04 02:38:53,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2018-02-04 02:38:53,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-02-04 02:38:53,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 377 transitions. [2018-02-04 02:38:53,397 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 377 transitions. Word has length 18 [2018-02-04 02:38:53,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:38:53,398 INFO L432 AbstractCegarLoop]: Abstraction has 333 states and 377 transitions. [2018-02-04 02:38:53,398 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:38:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 377 transitions. [2018-02-04 02:38:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 02:38:53,398 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:38:53,399 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:38:53,399 INFO L371 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:38:53,399 INFO L82 PathProgramCache]: Analyzing trace with hash -322430221, now seen corresponding path program 1 times [2018-02-04 02:38:53,400 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:38:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:38:53,413 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:38:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:53,485 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:38:53,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:38:53,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:38:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:53,485 INFO L182 omatonBuilderFactory]: Interpolants [3125#true, 3126#false, 3127#(= 1 (select |#valid| main_~list~0.base)), 3128#(= 1 (select |#valid| |append_#in~head.base|)), 3129#(= 1 (select |#valid| append_~head.base)), 3130#(or (= append_~head.base |append_#t~malloc52.base|) (= (select |#valid| append_~head.base) 1)), 3131#(or (= append_~node~0.base append_~head.base) (= (select |#valid| append_~head.base) 1))] [2018-02-04 02:38:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:53,486 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 02:38:53,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 02:38:53,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 02:38:53,486 INFO L87 Difference]: Start difference. First operand 333 states and 377 transitions. Second operand 7 states. [2018-02-04 02:38:53,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:38:53,930 INFO L93 Difference]: Finished difference Result 361 states and 404 transitions. [2018-02-04 02:38:53,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 02:38:53,930 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-02-04 02:38:53,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:38:53,932 INFO L225 Difference]: With dead ends: 361 [2018-02-04 02:38:53,932 INFO L226 Difference]: Without dead ends: 361 [2018-02-04 02:38:53,932 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-02-04 02:38:53,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-02-04 02:38:53,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 325. [2018-02-04 02:38:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-02-04 02:38:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 369 transitions. [2018-02-04 02:38:53,941 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 369 transitions. Word has length 19 [2018-02-04 02:38:53,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:38:53,942 INFO L432 AbstractCegarLoop]: Abstraction has 325 states and 369 transitions. [2018-02-04 02:38:53,942 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 02:38:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 369 transitions. [2018-02-04 02:38:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 02:38:53,943 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:38:53,943 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:38:53,943 INFO L371 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:38:53,943 INFO L82 PathProgramCache]: Analyzing trace with hash -322430220, now seen corresponding path program 1 times [2018-02-04 02:38:53,944 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:38:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:38:53,957 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:38:54,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:54,036 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:38:54,036 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 02:38:54,036 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:38:54,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:54,037 INFO L182 omatonBuilderFactory]: Interpolants [3824#(and (= 0 main_~list~0.offset) (= 8 (select |#length| main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1)), 3825#(and (= 0 |append_#in~head.offset|) (= (select |#valid| |append_#in~head.base|) 1) (= 8 (select |#length| |append_#in~head.base|))), 3826#(and (= 8 (select |#length| append_~head.base)) (= append_~head.offset 0) (= (select |#valid| append_~head.base) 1)), 3827#(and (= append_~head.offset 0) (= (select |#length| append_~head.base) 8)), 3820#true, 3821#false, 3822#(and (= 8 (select |#length| |main_#t~malloc67.base|)) (= 0 |main_#t~malloc67.offset|)), 3823#(and (= 0 main_~list~0.offset) (= 8 (select |#length| main_~list~0.base)))] [2018-02-04 02:38:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:54,037 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 02:38:54,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 02:38:54,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-02-04 02:38:54,037 INFO L87 Difference]: Start difference. First operand 325 states and 369 transitions. Second operand 8 states. [2018-02-04 02:38:54,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:38:54,716 INFO L93 Difference]: Finished difference Result 355 states and 400 transitions. [2018-02-04 02:38:54,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 02:38:54,717 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-02-04 02:38:54,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:38:54,718 INFO L225 Difference]: With dead ends: 355 [2018-02-04 02:38:54,718 INFO L226 Difference]: Without dead ends: 355 [2018-02-04 02:38:54,718 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-02-04 02:38:54,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-02-04 02:38:54,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 316. [2018-02-04 02:38:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-02-04 02:38:54,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 359 transitions. [2018-02-04 02:38:54,724 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 359 transitions. Word has length 19 [2018-02-04 02:38:54,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:38:54,724 INFO L432 AbstractCegarLoop]: Abstraction has 316 states and 359 transitions. [2018-02-04 02:38:54,724 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 02:38:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 359 transitions. [2018-02-04 02:38:54,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-04 02:38:54,725 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:38:54,725 INFO L351 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] [2018-02-04 02:38:54,725 INFO L371 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:38:54,725 INFO L82 PathProgramCache]: Analyzing trace with hash 241232367, now seen corresponding path program 1 times [2018-02-04 02:38:54,726 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:38:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:38:54,742 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:38:54,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:54,847 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:38:54,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 02:38:54,848 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:38:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:54,848 INFO L182 omatonBuilderFactory]: Interpolants [4512#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset))), 4513#(and (= 0 |append_#t~mem54.offset|) (= 0 |append_#t~mem54.base|)), 4514#|append_#t~short56|, 4505#true, 4506#false, 4507#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 4508#(and (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) |append_#in~head.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |append_#in~head.base|) |append_#in~head.offset|))), 4509#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (= (select |#valid| append_~head.base) 1)), 4510#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (not (= append_~head.base |append_#t~malloc52.base|))), 4511#(and (not (= append_~node~0.base append_~head.base)) (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)))] [2018-02-04 02:38:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:54,848 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 02:38:54,848 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 02:38:54,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-02-04 02:38:54,849 INFO L87 Difference]: Start difference. First operand 316 states and 359 transitions. Second operand 10 states. [2018-02-04 02:38:55,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:38:55,113 INFO L93 Difference]: Finished difference Result 339 states and 385 transitions. [2018-02-04 02:38:55,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-04 02:38:55,114 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-02-04 02:38:55,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:38:55,115 INFO L225 Difference]: With dead ends: 339 [2018-02-04 02:38:55,115 INFO L226 Difference]: Without dead ends: 339 [2018-02-04 02:38:55,116 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2018-02-04 02:38:55,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2018-02-04 02:38:55,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 327. [2018-02-04 02:38:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-02-04 02:38:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 372 transitions. [2018-02-04 02:38:55,124 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 372 transitions. Word has length 28 [2018-02-04 02:38:55,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:38:55,124 INFO L432 AbstractCegarLoop]: Abstraction has 327 states and 372 transitions. [2018-02-04 02:38:55,124 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 02:38:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 372 transitions. [2018-02-04 02:38:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 02:38:55,125 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:38:55,125 INFO L351 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] [2018-02-04 02:38:55,125 INFO L371 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:38:55,125 INFO L82 PathProgramCache]: Analyzing trace with hash -2037617902, now seen corresponding path program 1 times [2018-02-04 02:38:55,126 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:38:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:38:55,141 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:38:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:55,392 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:38:55,392 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-02-04 02:38:55,393 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:38:55,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:55,393 INFO L182 omatonBuilderFactory]: Interpolants [5193#true, 5194#false, 5195#(= 0 |main_#t~malloc67.offset|), 5196#(= 0 main_~list~0.offset), 5197#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 5198#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select |#valid| main_~list~0.base) 1)), 5199#(and (= 0 |append_#in~head.offset|) (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4)))), 5200#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= (select |#valid| append_~head.base) 1)), 5201#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (not (= append_~head.base |append_#t~malloc52.base|))), 5202#(and (not (= append_~node~0.base append_~head.base)) (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0)), 5203#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0)), 5204#(and (= |append_#t~mem55.offset| (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= |append_#t~mem55.base| 0) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0)), 5205#(and |append_#t~short56| (= append_~head.offset 0))] [2018-02-04 02:38:55,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:55,393 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 02:38:55,394 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 02:38:55,394 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-04 02:38:55,394 INFO L87 Difference]: Start difference. First operand 327 states and 372 transitions. Second operand 13 states. [2018-02-04 02:38:55,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:38:55,866 INFO L93 Difference]: Finished difference Result 367 states and 412 transitions. [2018-02-04 02:38:55,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 02:38:55,866 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-02-04 02:38:55,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:38:55,868 INFO L225 Difference]: With dead ends: 367 [2018-02-04 02:38:55,868 INFO L226 Difference]: Without dead ends: 367 [2018-02-04 02:38:55,868 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2018-02-04 02:38:55,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-02-04 02:38:55,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 330. [2018-02-04 02:38:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-02-04 02:38:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 375 transitions. [2018-02-04 02:38:55,873 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 375 transitions. Word has length 30 [2018-02-04 02:38:55,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:38:55,873 INFO L432 AbstractCegarLoop]: Abstraction has 330 states and 375 transitions. [2018-02-04 02:38:55,873 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 02:38:55,873 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 375 transitions. [2018-02-04 02:38:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 02:38:55,874 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:38:55,874 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2018-02-04 02:38:55,875 INFO L371 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:38:55,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1742025584, now seen corresponding path program 1 times [2018-02-04 02:38:55,876 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:38:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:38:55,901 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:38:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:56,363 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:38:56,363 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 02:38:56,363 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:38:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:56,364 INFO L182 omatonBuilderFactory]: Interpolants [5921#true, 5922#false, 5923#(= 0 |main_#t~malloc67.offset|), 5924#(= 0 main_~list~0.offset), 5925#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 5926#(= |#valid| |old(#valid)|), 5927#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|)), 5928#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc52.base|))), 5929#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= append_~head.base |append_#in~head.base|) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| append_~node~0.base)))), 5930#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= append_~head.base |append_#in~head.base|) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| append_~node~0.base))) (= 1 (select |#valid| append_~node~0.base))), 5931#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= append_~head.base |append_#in~head.base|) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| append_~node~0.base))) (= 1 (select |#valid| append_~node~0.base)) (= (select |#valid| append_~head.base) 1)), 5932#(or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~node~0.base |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4))) (= 1 (select |#valid| append_~node~0.base)) (not (= append_~node~0.base |append_#in~head.base|))) (not (= |append_#in~head.offset| 0))), 5933#(or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~node~0.base |append_#in~head.base|)) (and (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) |append_#in~head.base|) (+ (- 0) 4))) (= (select |#valid| |append_#in~head.base|) 1) (= 1 (select |#valid| append_~node~0.base))) (not (= |append_#in~head.offset| 0))), 5934#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ (- 0) 4))))) (not (= |append_#in~head.offset| 0))), 5935#(and (= main_~list~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))) (= (select |#valid| main_~list~0.base) 1)), 5936#(and (= 0 |append_#in~head.offset|) (= (select |#valid| |append_#in~head.base|) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4))))), 5937#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= (select |#valid| append_~head.base) 1)), 5938#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= |append_#t~malloc52.base| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (not (= append_~head.base |append_#t~malloc52.base|))), 5939#(and (not (= append_~node~0.base append_~head.base)) (or (= append_~node~0.base (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))))), 5940#(and (not (= append_~node~0.base append_~head.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= 1 (select |#valid| append_~node~0.base))), 5941#(= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) append_~head.base) (+ append_~head.offset 4)))), 5942#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))), 5943#(= 1 (select |#valid| |append_#t~mem64.base|))] [2018-02-04 02:38:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:56,364 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 02:38:56,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 02:38:56,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2018-02-04 02:38:56,364 INFO L87 Difference]: Start difference. First operand 330 states and 375 transitions. Second operand 23 states. [2018-02-04 02:38:58,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:38:58,213 INFO L93 Difference]: Finished difference Result 370 states and 414 transitions. [2018-02-04 02:38:58,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 02:38:58,213 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 47 [2018-02-04 02:38:58,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:38:58,214 INFO L225 Difference]: With dead ends: 370 [2018-02-04 02:38:58,215 INFO L226 Difference]: Without dead ends: 370 [2018-02-04 02:38:58,215 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=219, Invalid=1187, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 02:38:58,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2018-02-04 02:38:58,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 335. [2018-02-04 02:38:58,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-02-04 02:38:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 379 transitions. [2018-02-04 02:38:58,222 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 379 transitions. Word has length 47 [2018-02-04 02:38:58,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:38:58,223 INFO L432 AbstractCegarLoop]: Abstraction has 335 states and 379 transitions. [2018-02-04 02:38:58,223 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 02:38:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 379 transitions. [2018-02-04 02:38:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 02:38:58,224 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:38:58,224 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2018-02-04 02:38:58,224 INFO L371 AbstractCegarLoop]: === Iteration 10 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:38:58,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1742025585, now seen corresponding path program 1 times [2018-02-04 02:38:58,225 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:38:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:38:58,250 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:38:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:58,780 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:38:58,780 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 02:38:58,780 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:38:58,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:58,781 INFO L182 omatonBuilderFactory]: Interpolants [6688#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (or (and (= 0 append_~node~0.offset) (= append_~head.base |append_#in~head.base|) (= 9 (select |#length| append_~node~0.base)) (= (select |#valid| append_~head.base) 1)) (= append_~node~0.base append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~node~0.base |append_#in~head.base|)))) (not (= append_~head.offset 0)))), 6689#(or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~node~0.base |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| append_~node~0.base (store (select |#memory_$Pointer$.offset| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4))) (= 9 (select |#length| append_~node~0.base)) (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4))) (not (= append_~node~0.base |append_#in~head.base|))) (not (= |append_#in~head.offset| 0))), 6690#(or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~node~0.base |append_#in~head.base|)) (not (= |append_#in~head.offset| 0)) (and (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) |append_#in~head.base|) (+ (- 0) 4))) (= (select |#valid| |append_#in~head.base|) 1) (= 9 (select |#length| append_~node~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| append_~node~0.base (store (select |#memory_$Pointer$.offset| append_~node~0.base) (+ append_~node~0.offset 5) 0)) |append_#in~head.base|) (+ (- 0) 4))))), 6691#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ (- 0) 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ (- 0) 4)))) (not (= |append_#in~head.offset| 0))), 6692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))), 6693#(and (= 9 (select |#length| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4)))) (= 0 |append_#in~head.offset|) (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ 0 4)))), 6694#(and (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= (select |#valid| append_~head.base) 1)), 6695#(and (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (not (= append_~head.base |append_#t~malloc52.base|))), 6696#(and (not (= append_~node~0.base append_~head.base)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))))), 6697#(and (= 0 (select (select (store |#memory_$Pointer$.offset| append_~node~0.base (store (select |#memory_$Pointer$.offset| append_~node~0.base) (+ append_~node~0.offset 5) 0)) append_~head.base) (+ append_~head.offset 4))) (= 9 (select |#length| (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0)), 6698#(and (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))))), 6699#(and (= (select |#length| |append_#t~mem64.base|) 9) (= |append_#t~mem64.offset| 0)), 6679#true, 6680#false, 6681#(= 0 |main_#t~malloc67.offset|), 6682#(= 0 main_~list~0.offset), 6683#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 6684#(= |#valid| |old(#valid)|), 6685#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (not (= append_~head.offset 0)) (and (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|)))), 6686#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= 9 (select |#length| |append_#t~malloc52.base|)) (= append_~head.base |append_#in~head.base|) (= 0 |append_#t~malloc52.offset|) (= 0 (select |old(#valid)| |append_#t~malloc52.base|))) (not (= append_~head.offset 0)))), 6687#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (or (not (= append_~node~0.base append_~head.base)) (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~node~0.base |append_#in~head.base|))) (or (and (= 0 append_~node~0.offset) (= append_~head.base |append_#in~head.base|) (= 9 (select |#length| append_~node~0.base))) (= append_~node~0.base append_~head.base))) (not (= append_~head.offset 0))))] [2018-02-04 02:38:58,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:38:58,781 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 02:38:58,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 02:38:58,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2018-02-04 02:38:58,782 INFO L87 Difference]: Start difference. First operand 335 states and 379 transitions. Second operand 21 states. [2018-02-04 02:39:01,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:39:01,448 INFO L93 Difference]: Finished difference Result 369 states and 413 transitions. [2018-02-04 02:39:01,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 02:39:01,448 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 47 [2018-02-04 02:39:01,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:39:01,450 INFO L225 Difference]: With dead ends: 369 [2018-02-04 02:39:01,450 INFO L226 Difference]: Without dead ends: 369 [2018-02-04 02:39:01,450 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=956, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 02:39:01,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-02-04 02:39:01,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 334. [2018-02-04 02:39:01,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-02-04 02:39:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 378 transitions. [2018-02-04 02:39:01,458 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 378 transitions. Word has length 47 [2018-02-04 02:39:01,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:39:01,461 INFO L432 AbstractCegarLoop]: Abstraction has 334 states and 378 transitions. [2018-02-04 02:39:01,461 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 02:39:01,461 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 378 transitions. [2018-02-04 02:39:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-02-04 02:39:01,466 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:39:01,466 INFO L351 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:39:01,466 INFO L371 AbstractCegarLoop]: === Iteration 11 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:39:01,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1012855197, now seen corresponding path program 1 times [2018-02-04 02:39:01,467 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:39:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:39:01,493 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:39:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1470 backedges. 7 proven. 91 refuted. 0 times theorem prover too weak. 1372 trivial. 0 not checked. [2018-02-04 02:39:01,593 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:39:01,593 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-02-04 02:39:01,594 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:39:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2018-02-04 02:39:01,595 INFO L182 omatonBuilderFactory]: Interpolants [7429#true, 7430#false, 7431#(not |append_#t~short56|)] [2018-02-04 02:39:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1470 backedges. 7 proven. 91 refuted. 0 times theorem prover too weak. 1372 trivial. 0 not checked. [2018-02-04 02:39:01,595 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 02:39:01,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 02:39:01,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 02:39:01,596 INFO L87 Difference]: Start difference. First operand 334 states and 378 transitions. Second operand 3 states. [2018-02-04 02:39:01,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:39:01,607 INFO L93 Difference]: Finished difference Result 335 states and 379 transitions. [2018-02-04 02:39:01,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 02:39:01,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2018-02-04 02:39:01,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:39:01,610 INFO L225 Difference]: With dead ends: 335 [2018-02-04 02:39:01,610 INFO L226 Difference]: Without dead ends: 335 [2018-02-04 02:39:01,610 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 02:39:01,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-02-04 02:39:01,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2018-02-04 02:39:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-02-04 02:39:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 379 transitions. [2018-02-04 02:39:01,617 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 379 transitions. Word has length 255 [2018-02-04 02:39:01,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:39:01,617 INFO L432 AbstractCegarLoop]: Abstraction has 335 states and 379 transitions. [2018-02-04 02:39:01,617 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 02:39:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 379 transitions. [2018-02-04 02:39:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-02-04 02:39:01,621 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:39:01,622 INFO L351 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1] [2018-02-04 02:39:01,622 INFO L371 AbstractCegarLoop]: === Iteration 12 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:39:01,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1995744797, now seen corresponding path program 1 times [2018-02-04 02:39:01,623 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:39:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:39:01,764 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:39:02,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 2 proven. 430 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2018-02-04 02:39:02,735 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:39:02,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 02:39:02,735 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:39:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2018-02-04 02:39:02,736 INFO L182 omatonBuilderFactory]: Interpolants [8102#true, 8103#false, 8104#(= (select |#valid| main_~list~0.base) 1), 8105#(= |#valid| |old(#valid)|), 8106#(and (= append_~head.offset |append_#in~head.offset|) (= |#valid| |old(#valid)|) (= |append_#in~head.base| append_~head.base)), 8107#(and (= append_~head.offset |append_#in~head.offset|) (= |append_#in~head.base| append_~head.base) (= 0 (select |old(#valid)| |append_#t~malloc52.base|)) (not (= |append_#t~malloc52.base| 0))), 8108#(and (= append_~head.offset |append_#in~head.offset|) (not (= append_~node~0.base 0)) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| append_~node~0.base))) (= |append_#in~head.base| append_~head.base)), 8109#(and (= append_~head.offset |append_#in~head.offset|) (or (and (= |append_#in~head.base| append_~head.base) (= (select |#valid| append_~head.base) 1)) (= append_~node~0.base append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~node~0.base |append_#in~head.base|))) (not (= append_~node~0.base 0))), 8110#(and (or (and (= (select |#valid| |append_#in~head.base|) 1) (= |append_#in~head.base| append_~head.base)) (= append_~node~0.base append_~head.base)) (= append_~head.offset |append_#in~head.offset|) (or (not (= append_~node~0.base append_~head.base)) (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~node~0.base |append_#in~head.base|))) (not (= (select (store (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4) append_~node~0.base) append_~head.offset) 0))), 8111#(or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~node~0.base |append_#in~head.base|)) (and (not (= (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) |append_#in~head.offset|) 0)) (= (select |#valid| |append_#in~head.base|) 1) (not (= append_~node~0.base |append_#in~head.base|)))), 8112#(or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~node~0.base |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (not (= (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) |append_#in~head.base|) |append_#in~head.offset|) 0)))), 8113#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |append_#in~head.base|) |append_#in~head.offset|) 0)))), 8114#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1)), 8115#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)), 8116#(and (= append_~head.offset |append_#in~head.offset|) (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|) (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base))), 8117#(and (= append_~head.offset |append_#in~head.offset|) (= append_~head.base |append_#in~head.base|) (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= 0 (select |old(#valid)| |append_#t~malloc52.base|))), 8118#(and (= append_~head.offset |append_#in~head.offset|) (= append_~head.base |append_#in~head.base|) (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|)))), 8119#(and (= append_~head.offset |append_#in~head.offset|) (= append_~head.base |append_#in~head.base|) (or (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= append_~node~0.base append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|)))), 8120#(and (= append_~head.offset |append_#in~head.offset|) (= append_~head.base |append_#in~head.base|) (or (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= append_~node~0.base append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|))) (= |append_#t~mem54.base| (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset))), 8121#(and (= append_~head.offset |append_#in~head.offset|) (= append_~head.base |append_#in~head.base|) (or (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= append_~node~0.base append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|))) (or (not |append_#t~short56|) (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)))), 8122#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= append_~head.offset |append_#in~head.offset|) (= append_~head.base |append_#in~head.base|) (or (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= append_~node~0.base append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|)))), 8123#(and (or (and (= 0 (select (select |old(#memory_$Pointer$.base)| append_~head.base) append_~head.offset)) (= append_~head.offset |append_#in~head.offset|)) (= append_~node~0.base append_~head.base)) (= append_~head.base |append_#in~head.base|) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|)))), 8124#(and (or (= 0 (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) |append_#in~head.offset|)) (= append_~node~0.base |append_#in~head.base|)) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= append_~node~0.base |append_#in~head.base|)))), 8125#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (= 0 (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) |append_#in~head.offset|)))] [2018-02-04 02:39:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 2 proven. 430 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2018-02-04 02:39:02,737 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 02:39:02,737 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 02:39:02,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2018-02-04 02:39:02,738 INFO L87 Difference]: Start difference. First operand 335 states and 379 transitions. Second operand 24 states. [2018-02-04 02:39:05,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:39:05,174 INFO L93 Difference]: Finished difference Result 382 states and 424 transitions. [2018-02-04 02:39:05,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 02:39:05,174 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 283 [2018-02-04 02:39:05,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:39:05,175 INFO L225 Difference]: With dead ends: 382 [2018-02-04 02:39:05,175 INFO L226 Difference]: Without dead ends: 363 [2018-02-04 02:39:05,176 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=321, Invalid=1841, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 02:39:05,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-02-04 02:39:05,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 328. [2018-02-04 02:39:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-02-04 02:39:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 370 transitions. [2018-02-04 02:39:05,182 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 370 transitions. Word has length 283 [2018-02-04 02:39:05,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:39:05,182 INFO L432 AbstractCegarLoop]: Abstraction has 328 states and 370 transitions. [2018-02-04 02:39:05,183 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 02:39:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 370 transitions. [2018-02-04 02:39:05,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-02-04 02:39:05,187 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:39:05,187 INFO L351 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:39:05,187 INFO L371 AbstractCegarLoop]: === Iteration 13 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-04 02:39:05,187 INFO L82 PathProgramCache]: Analyzing trace with hash -83984251, now seen corresponding path program 1 times [2018-02-04 02:39:05,188 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:39:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:39:10,011 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:39:58,000 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.OutOfMemoryError: Java heap space at java.util.Arrays.copyOf(Arrays.java:3332) at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124) at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:448) at java.lang.StringBuilder.append(StringBuilder.java:136) at java.lang.StringBuilder.append(StringBuilder.java:76) at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:484) at java.lang.StringBuilder.append(StringBuilder.java:166) at java.lang.StringBuilder.append(StringBuilder.java:76) at de.uni_freiburg.informatik.ultimate.logic.PrintTerm.run(PrintTerm.java:128) at de.uni_freiburg.informatik.ultimate.logic.PrintTerm.append(PrintTerm.java:42) at de.uni_freiburg.informatik.ultimate.logic.Term.toStringDirect(Term.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolant.toString(Interpolant.java:39) at java.util.Formatter$FormatSpecifier.printString(Formatter.java:2886) at java.util.Formatter$FormatSpecifier.print(Formatter.java:2763) at java.util.Formatter.format(Formatter.java:2526) at java.util.Formatter.format(Formatter.java:2455) at de.uni_freiburg.informatik.ultimate.smtsolver.external.SmtInterpolLogProxyWrapper.convert(SmtInterpolLogProxyWrapper.java:88) at de.uni_freiburg.informatik.ultimate.smtsolver.external.SmtInterpolLogProxyWrapper.debug(SmtInterpolLogProxyWrapper.java:168) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.combine(Interpolator.java:336) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$2(Interpolator.java:326) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$CombineInterpolants.walk(Interpolator.java:153) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) [2018-02-04 02:39:58,002 INFO L168 Benchmark]: Toolchain (without parser) took 67087.51 ms. Allocated memory was 404.2 MB in the beginning and 6.0 GB in the end (delta: 5.6 GB). Free memory was 360.9 MB in the beginning and 4.5 GB in the end (delta: -4.1 GB). Peak memory consumption was 5.2 GB. Max. memory is 5.3 GB. [2018-02-04 02:39:58,003 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 404.2 MB. Free memory is still 367.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 02:39:58,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.77 ms. Allocated memory is still 404.2 MB. Free memory was 360.9 MB in the beginning and 349.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 02:39:58,003 INFO L168 Benchmark]: Boogie Preprocessor took 38.10 ms. Allocated memory is still 404.2 MB. Free memory was 349.0 MB in the beginning and 346.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 02:39:58,004 INFO L168 Benchmark]: RCFGBuilder took 661.76 ms. Allocated memory is still 404.2 MB. Free memory was 346.4 MB in the beginning and 271.3 MB in the end (delta: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 5.3 GB. [2018-02-04 02:39:58,004 INFO L168 Benchmark]: TraceAbstraction took 66202.05 ms. Allocated memory was 404.2 MB in the beginning and 6.0 GB in the end (delta: 5.6 GB). Free memory was 271.3 MB in the beginning and 4.5 GB in the end (delta: -4.2 GB). Peak memory consumption was 5.1 GB. Max. memory is 5.3 GB. [2018-02-04 02:39:58,005 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 404.2 MB. Free memory is still 367.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 182.77 ms. Allocated memory is still 404.2 MB. Free memory was 360.9 MB in the beginning and 349.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.10 ms. Allocated memory is still 404.2 MB. Free memory was 349.0 MB in the beginning and 346.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 661.76 ms. Allocated memory is still 404.2 MB. Free memory was 346.4 MB in the beginning and 271.3 MB in the end (delta: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 66202.05 ms. Allocated memory was 404.2 MB in the beginning and 6.0 GB in the end (delta: 5.6 GB). Free memory was 271.3 MB in the beginning and 4.5 GB in the end (delta: -4.2 GB). Peak memory consumption was 5.1 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Java heap space de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Java heap space: java.util.Arrays.copyOf(Arrays.java:3332) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/split_list_test05_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_02-39-58-010.csv Received shutdown request...