java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_RubberTaipan+AI_EQ.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 13:10:33,141 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 13:10:33,143 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 13:10:33,156 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 13:10:33,156 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 13:10:33,157 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 13:10:33,157 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 13:10:33,159 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 13:10:33,160 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 13:10:33,161 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 13:10:33,161 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 13:10:33,162 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 13:10:33,162 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 13:10:33,163 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 13:10:33,164 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 13:10:33,167 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 13:10:33,169 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 13:10:33,171 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 13:10:33,172 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 13:10:33,173 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 13:10:33,175 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 13:10:33,176 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 13:10:33,176 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 13:10:33,177 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 13:10:33,178 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 13:10:33,179 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 13:10:33,179 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 13:10:33,180 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 13:10:33,180 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 13:10:33,180 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 13:10:33,181 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 13:10:33,181 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_RubberTaipan+AI_EQ.epf [2018-01-24 13:10:33,191 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 13:10:33,191 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 13:10:33,192 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 13:10:33,192 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 13:10:33,192 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 13:10:33,192 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 13:10:33,193 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 13:10:33,193 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 13:10:33,193 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 13:10:33,193 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 13:10:33,194 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 13:10:33,194 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 13:10:33,194 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 13:10:33,194 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 13:10:33,194 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 13:10:33,195 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 13:10:33,195 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 13:10:33,195 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 13:10:33,195 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 13:10:33,195 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 13:10:33,196 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 13:10:33,196 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 13:10:33,196 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 13:10:33,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 13:10:33,196 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 13:10:33,197 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 13:10:33,197 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 13:10:33,197 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 13:10:33,197 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-01-24 13:10:33,197 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 13:10:33,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 13:10:33,198 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 13:10:33,199 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 13:10:33,199 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 13:10:33,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 13:10:33,244 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 13:10:33,248 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 13:10:33,250 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 13:10:33,250 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 13:10:33,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_false-valid-deref.i [2018-01-24 13:10:33,428 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 13:10:33,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 13:10:33,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 13:10:33,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 13:10:33,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 13:10:33,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:10:33" (1/1) ... [2018-01-24 13:10:33,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e82129b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:10:33, skipping insertion in model container [2018-01-24 13:10:33,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:10:33" (1/1) ... [2018-01-24 13:10:33,463 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 13:10:33,505 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 13:10:33,623 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 13:10:33,649 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 13:10:33,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:10:33 WrapperNode [2018-01-24 13:10:33,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 13:10:33,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 13:10:33,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 13:10:33,666 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 13:10:33,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:10:33" (1/1) ... [2018-01-24 13:10:33,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:10:33" (1/1) ... [2018-01-24 13:10:33,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:10:33" (1/1) ... [2018-01-24 13:10:33,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:10:33" (1/1) ... [2018-01-24 13:10:33,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:10:33" (1/1) ... [2018-01-24 13:10:33,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:10:33" (1/1) ... [2018-01-24 13:10:33,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:10:33" (1/1) ... [2018-01-24 13:10:33,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 13:10:33,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 13:10:33,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 13:10:33,715 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 13:10:33,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:10:33" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 13:10:33,767 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 13:10:33,767 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 13:10:33,767 INFO L136 BoogieDeclarations]: Found implementation of procedure containsHead [2018-01-24 13:10:33,767 INFO L136 BoogieDeclarations]: Found implementation of procedure containsBody [2018-01-24 13:10:33,767 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-24 13:10:33,768 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 13:10:33,768 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 13:10:33,768 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 13:10:33,768 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 13:10:33,768 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 13:10:33,768 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 13:10:33,769 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 13:10:33,769 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 13:10:33,769 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 13:10:33,769 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-01-24 13:10:33,769 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 13:10:33,769 INFO L128 BoogieDeclarations]: Found specification of procedure containsHead [2018-01-24 13:10:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure containsBody [2018-01-24 13:10:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-24 13:10:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 13:10:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 13:10:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 13:10:34,675 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 13:10:34,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:10:34 BoogieIcfgContainer [2018-01-24 13:10:34,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 13:10:34,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 13:10:34,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 13:10:34,680 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 13:10:34,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 01:10:33" (1/3) ... [2018-01-24 13:10:34,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7ae07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 01:10:34, skipping insertion in model container [2018-01-24 13:10:34,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:10:33" (2/3) ... [2018-01-24 13:10:34,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7ae07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 01:10:34, skipping insertion in model container [2018-01-24 13:10:34,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:10:34" (3/3) ... [2018-01-24 13:10:34,684 INFO L105 eAbstractionObserver]: Analyzing ICFG split_list_test05_false-valid-deref.i [2018-01-24 13:10:34,693 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 13:10:34,702 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-01-24 13:10:34,754 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 13:10:34,754 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 13:10:34,754 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 13:10:34,754 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 13:10:34,755 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 13:10:34,755 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 13:10:34,755 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 13:10:34,755 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 13:10:34,756 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 13:10:34,783 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2018-01-24 13:10:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-01-24 13:10:34,789 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:10:34,791 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:10:34,791 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]=== [2018-01-24 13:10:34,796 INFO L82 PathProgramCache]: Analyzing trace with hash 479486545, now seen corresponding path program 1 times [2018-01-24 13:10:34,798 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:10:34,855 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:34,856 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:10:34,856 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:34,856 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:10:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:10:34,906 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:10:35,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:10:35,002 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 13:10:35,002 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 13:10:35,003 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 13:10:35,097 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 13:10:35,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 13:10:35,108 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 13:10:35,110 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 4 states. [2018-01-24 13:10:35,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:10:35,630 INFO L93 Difference]: Finished difference Result 707 states and 818 transitions. [2018-01-24 13:10:35,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 13:10:35,632 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-01-24 13:10:35,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:10:35,652 INFO L225 Difference]: With dead ends: 707 [2018-01-24 13:10:35,652 INFO L226 Difference]: Without dead ends: 384 [2018-01-24 13:10:35,658 INFO L525 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 [2018-01-24 13:10:35,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-01-24 13:10:35,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 344. [2018-01-24 13:10:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-01-24 13:10:35,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 388 transitions. [2018-01-24 13:10:35,712 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 388 transitions. Word has length 8 [2018-01-24 13:10:35,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:10:35,713 INFO L432 AbstractCegarLoop]: Abstraction has 344 states and 388 transitions. [2018-01-24 13:10:35,713 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 13:10:35,713 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 388 transitions. [2018-01-24 13:10:35,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-01-24 13:10:35,713 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:10:35,713 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:10:35,714 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]=== [2018-01-24 13:10:35,714 INFO L82 PathProgramCache]: Analyzing trace with hash 479486546, now seen corresponding path program 1 times [2018-01-24 13:10:35,714 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:10:35,715 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:35,715 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:10:35,715 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:35,715 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:10:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:10:35,736 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:10:35,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:10:35,797 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 13:10:35,798 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 13:10:35,798 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 13:10:35,799 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 13:10:35,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 13:10:35,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 13:10:35,799 INFO L87 Difference]: Start difference. First operand 344 states and 388 transitions. Second operand 4 states. [2018-01-24 13:10:35,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:10:35,999 INFO L93 Difference]: Finished difference Result 348 states and 394 transitions. [2018-01-24 13:10:35,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 13:10:35,999 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-01-24 13:10:35,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:10:36,001 INFO L225 Difference]: With dead ends: 348 [2018-01-24 13:10:36,001 INFO L226 Difference]: Without dead ends: 346 [2018-01-24 13:10:36,003 INFO L525 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 [2018-01-24 13:10:36,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-01-24 13:10:36,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 342. [2018-01-24 13:10:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-01-24 13:10:36,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 386 transitions. [2018-01-24 13:10:36,028 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 386 transitions. Word has length 8 [2018-01-24 13:10:36,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:10:36,028 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 386 transitions. [2018-01-24 13:10:36,029 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 13:10:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 386 transitions. [2018-01-24 13:10:36,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-24 13:10:36,029 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:10:36,030 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:10:36,030 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]=== [2018-01-24 13:10:36,030 INFO L82 PathProgramCache]: Analyzing trace with hash -2063719306, now seen corresponding path program 1 times [2018-01-24 13:10:36,030 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:10:36,031 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:36,031 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:10:36,031 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:36,032 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:10:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:10:36,053 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:10:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:10:36,102 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 13:10:36,102 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 13:10:36,102 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 13:10:36,103 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 13:10:36,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 13:10:36,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 13:10:36,104 INFO L87 Difference]: Start difference. First operand 342 states and 386 transitions. Second operand 4 states. [2018-01-24 13:10:36,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:10:36,477 INFO L93 Difference]: Finished difference Result 342 states and 386 transitions. [2018-01-24 13:10:36,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 13:10:36,477 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-01-24 13:10:36,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:10:36,479 INFO L225 Difference]: With dead ends: 342 [2018-01-24 13:10:36,479 INFO L226 Difference]: Without dead ends: 337 [2018-01-24 13:10:36,479 INFO L525 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 [2018-01-24 13:10:36,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-01-24 13:10:36,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2018-01-24 13:10:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-01-24 13:10:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 381 transitions. [2018-01-24 13:10:36,496 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 381 transitions. Word has length 18 [2018-01-24 13:10:36,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:10:36,496 INFO L432 AbstractCegarLoop]: Abstraction has 337 states and 381 transitions. [2018-01-24 13:10:36,496 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 13:10:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 381 transitions. [2018-01-24 13:10:36,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-24 13:10:36,497 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:10:36,498 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:10:36,498 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]=== [2018-01-24 13:10:36,498 INFO L82 PathProgramCache]: Analyzing trace with hash -2063719305, now seen corresponding path program 1 times [2018-01-24 13:10:36,498 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:10:36,499 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:36,499 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:10:36,500 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:36,500 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:10:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:10:36,519 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:10:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:10:36,569 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 13:10:36,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 13:10:36,569 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 13:10:36,569 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 13:10:36,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 13:10:36,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 13:10:36,570 INFO L87 Difference]: Start difference. First operand 337 states and 381 transitions. Second operand 4 states. [2018-01-24 13:10:36,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:10:36,742 INFO L93 Difference]: Finished difference Result 337 states and 381 transitions. [2018-01-24 13:10:36,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 13:10:36,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-01-24 13:10:36,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:10:36,761 INFO L225 Difference]: With dead ends: 337 [2018-01-24 13:10:36,761 INFO L226 Difference]: Without dead ends: 332 [2018-01-24 13:10:36,761 INFO L525 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 [2018-01-24 13:10:36,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-01-24 13:10:36,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2018-01-24 13:10:36,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-01-24 13:10:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 376 transitions. [2018-01-24 13:10:36,771 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 376 transitions. Word has length 18 [2018-01-24 13:10:36,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:10:36,771 INFO L432 AbstractCegarLoop]: Abstraction has 332 states and 376 transitions. [2018-01-24 13:10:36,771 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 13:10:36,771 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 376 transitions. [2018-01-24 13:10:36,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-24 13:10:36,772 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:10:36,772 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:10:36,772 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]=== [2018-01-24 13:10:36,772 INFO L82 PathProgramCache]: Analyzing trace with hash 449211379, now seen corresponding path program 1 times [2018-01-24 13:10:36,772 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:10:36,773 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:36,773 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:10:36,773 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:36,773 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:10:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:10:36,793 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:10:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:10:36,912 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 13:10:36,912 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 13:10:36,912 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 13:10:36,913 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-24 13:10:36,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-24 13:10:36,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 13:10:36,913 INFO L87 Difference]: Start difference. First operand 332 states and 376 transitions. Second operand 7 states. [2018-01-24 13:10:37,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:10:37,501 INFO L93 Difference]: Finished difference Result 368 states and 411 transitions. [2018-01-24 13:10:37,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 13:10:37,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-01-24 13:10:37,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:10:37,504 INFO L225 Difference]: With dead ends: 368 [2018-01-24 13:10:37,504 INFO L226 Difference]: Without dead ends: 360 [2018-01-24 13:10:37,505 INFO L525 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 [2018-01-24 13:10:37,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-01-24 13:10:37,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2018-01-24 13:10:37,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-01-24 13:10:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 368 transitions. [2018-01-24 13:10:37,518 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 368 transitions. Word has length 19 [2018-01-24 13:10:37,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:10:37,519 INFO L432 AbstractCegarLoop]: Abstraction has 324 states and 368 transitions. [2018-01-24 13:10:37,519 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-24 13:10:37,519 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 368 transitions. [2018-01-24 13:10:37,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-24 13:10:37,520 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:10:37,520 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:10:37,520 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]=== [2018-01-24 13:10:37,520 INFO L82 PathProgramCache]: Analyzing trace with hash 449211380, now seen corresponding path program 1 times [2018-01-24 13:10:37,520 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:10:37,521 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:37,521 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:10:37,521 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:37,522 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:10:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:10:37,536 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:10:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:10:37,664 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 13:10:37,664 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-24 13:10:37,664 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 13:10:37,664 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-24 13:10:37,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-24 13:10:37,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-24 13:10:37,665 INFO L87 Difference]: Start difference. First operand 324 states and 368 transitions. Second operand 8 states. [2018-01-24 13:10:38,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:10:38,512 INFO L93 Difference]: Finished difference Result 363 states and 409 transitions. [2018-01-24 13:10:38,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-24 13:10:38,513 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-01-24 13:10:38,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:10:38,515 INFO L225 Difference]: With dead ends: 363 [2018-01-24 13:10:38,515 INFO L226 Difference]: Without dead ends: 354 [2018-01-24 13:10:38,516 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-01-24 13:10:38,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-01-24 13:10:38,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 315. [2018-01-24 13:10:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-01-24 13:10:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 358 transitions. [2018-01-24 13:10:38,531 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 358 transitions. Word has length 19 [2018-01-24 13:10:38,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:10:38,531 INFO L432 AbstractCegarLoop]: Abstraction has 315 states and 358 transitions. [2018-01-24 13:10:38,531 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-24 13:10:38,532 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 358 transitions. [2018-01-24 13:10:38,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-24 13:10:38,533 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:10:38,533 INFO L322 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] [2018-01-24 13:10:38,533 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]=== [2018-01-24 13:10:38,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1619802097, now seen corresponding path program 1 times [2018-01-24 13:10:38,533 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:10:38,534 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:38,534 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:10:38,535 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:38,535 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:10:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:10:38,557 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:10:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:10:38,773 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 13:10:38,773 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-24 13:10:38,773 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 13:10:38,774 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-24 13:10:38,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-24 13:10:38,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-01-24 13:10:38,774 INFO L87 Difference]: Start difference. First operand 315 states and 358 transitions. Second operand 9 states. [2018-01-24 13:10:39,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:10:39,227 INFO L93 Difference]: Finished difference Result 643 states and 734 transitions. [2018-01-24 13:10:39,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-24 13:10:39,232 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-01-24 13:10:39,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:10:39,234 INFO L225 Difference]: With dead ends: 643 [2018-01-24 13:10:39,234 INFO L226 Difference]: Without dead ends: 338 [2018-01-24 13:10:39,236 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-01-24 13:10:39,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-01-24 13:10:39,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 326. [2018-01-24 13:10:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2018-01-24 13:10:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 371 transitions. [2018-01-24 13:10:39,248 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 371 transitions. Word has length 28 [2018-01-24 13:10:39,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:10:39,248 INFO L432 AbstractCegarLoop]: Abstraction has 326 states and 371 transitions. [2018-01-24 13:10:39,249 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-24 13:10:39,249 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 371 transitions. [2018-01-24 13:10:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-24 13:10:39,250 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:10:39,250 INFO L322 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] [2018-01-24 13:10:39,250 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]=== [2018-01-24 13:10:39,250 INFO L82 PathProgramCache]: Analyzing trace with hash -82034476, now seen corresponding path program 1 times [2018-01-24 13:10:39,250 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:10:39,251 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:39,251 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:10:39,252 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:39,252 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:10:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:10:39,274 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:10:39,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:10:39,577 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 13:10:39,577 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-01-24 13:10:39,577 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 13:10:39,577 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-24 13:10:39,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-24 13:10:39,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-01-24 13:10:39,577 INFO L87 Difference]: Start difference. First operand 326 states and 371 transitions. Second operand 13 states. [2018-01-24 13:10:40,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:10:40,540 INFO L93 Difference]: Finished difference Result 671 states and 761 transitions. [2018-01-24 13:10:40,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-01-24 13:10:40,541 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-01-24 13:10:40,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:10:40,543 INFO L225 Difference]: With dead ends: 671 [2018-01-24 13:10:40,543 INFO L226 Difference]: Without dead ends: 366 [2018-01-24 13:10:40,545 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2018-01-24 13:10:40,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-01-24 13:10:40,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 329. [2018-01-24 13:10:40,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-01-24 13:10:40,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 374 transitions. [2018-01-24 13:10:40,562 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 374 transitions. Word has length 30 [2018-01-24 13:10:40,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:10:40,562 INFO L432 AbstractCegarLoop]: Abstraction has 329 states and 374 transitions. [2018-01-24 13:10:40,563 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-24 13:10:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 374 transitions. [2018-01-24 13:10:40,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-01-24 13:10:40,564 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:10:40,564 INFO L322 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] [2018-01-24 13:10:40,565 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]=== [2018-01-24 13:10:40,565 INFO L82 PathProgramCache]: Analyzing trace with hash -156377040, now seen corresponding path program 1 times [2018-01-24 13:10:40,565 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:10:40,566 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:40,566 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:10:40,566 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:10:40,566 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:10:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:10:40,602 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:10:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:10:41,149 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 13:10:41,149 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 13:10:41,155 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:10:41,155 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 13:10:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:10:41,220 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 13:10:41,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-01-24 13:10:41,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 13:10:41,587 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:41,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 13:10:41,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:41,611 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:31 [2018-01-24 13:10:41,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-01-24 13:10:41,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-01-24 13:10:41,705 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:41,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-01-24 13:10:41,766 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-01-24 13:10:41,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 13:10:41,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-24 13:10:41,821 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:44, output treesize:77 [2018-01-24 13:10:41,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 71 [2018-01-24 13:10:41,938 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 13:10:41,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 82 [2018-01-24 13:10:41,942 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:41,988 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 13:10:41,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 59 [2018-01-24 13:10:42,001 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-01-24 13:10:42,039 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 13:10:42,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 36 [2018-01-24 13:10:42,080 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 13:10:42,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-01-24 13:10:42,081 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:42,089 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 13:10:42,121 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-01-24 13:10:42,121 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:116, output treesize:141 [2018-01-24 13:10:42,510 WARN L143 SmtUtils]: Spent 286ms on a formula simplification that was a NOOP. DAG size: 61 [2018-01-24 13:10:42,525 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 13:10:42,526 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 13:10:42,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 66 [2018-01-24 13:10:42,527 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:42,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:42,571 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:165, output treesize:66 [2018-01-24 13:10:42,739 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 13:10:42,740 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 13:10:42,741 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 13:10:42,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 52 [2018-01-24 13:10:42,742 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:42,764 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:42,764 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:85 [2018-01-24 13:10:42,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 75 [2018-01-24 13:10:42,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-01-24 13:10:42,906 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:42,918 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 13:10:42,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:42,954 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:100, output treesize:85 [2018-01-24 13:10:43,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-01-24 13:10:43,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 13:10:43,043 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:43,054 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 13:10:43,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:43,088 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:98, output treesize:85 [2018-01-24 13:10:43,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-01-24 13:10:43,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-24 13:10:43,167 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:43,178 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 13:10:43,199 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:43,200 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:98, output treesize:94 [2018-01-24 13:10:43,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 65 [2018-01-24 13:10:43,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-24 13:10:43,417 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:43,428 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 13:10:43,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-01-24 13:10:43,428 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:43,436 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:43,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-01-24 13:10:43,437 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:43,441 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 13:10:43,451 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:43,451 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:103, output treesize:28 [2018-01-24 13:10:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:10:43,516 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 13:10:43,698 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:43,704 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:43,706 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:43,710 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:43,712 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:43,726 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-24 13:10:43,747 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 3 xjuncts. [2018-01-24 13:10:43,747 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:49, output treesize:115 [2018-01-24 13:10:44,184 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,184 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,187 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 271 [2018-01-24 13:10:44,189 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:44,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 153 [2018-01-24 13:10:44,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-01-24 13:10:44,260 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:44,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 101 [2018-01-24 13:10:44,405 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 86 DAG size of output 65 [2018-01-24 13:10:44,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 66 [2018-01-24 13:10:44,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-01-24 13:10:44,411 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:44,421 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 13:10:44,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 59 [2018-01-24 13:10:44,466 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2018-01-24 13:10:44,467 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:44,490 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 69 [2018-01-24 13:10:44,500 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-01-24 13:10:44,530 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-01-24 13:10:44,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-01-24 13:10:44,583 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,584 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2018-01-24 13:10:44,589 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-01-24 13:10:44,602 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 13:10:44,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2018-01-24 13:10:44,608 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,609 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,611 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 72 [2018-01-24 13:10:44,627 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 3 xjuncts. [2018-01-24 13:10:44,655 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-01-24 13:10:44,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-01-24 13:10:44,662 INFO L682 Elim1Store]: detected equality via solver [2018-01-24 13:10:44,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 38 [2018-01-24 13:10:44,670 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-01-24 13:10:44,682 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 13:10:44,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 52 [2018-01-24 13:10:44,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 20 [2018-01-24 13:10:44,755 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-01-24 13:10:44,792 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimCell_24 term size 38 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:386) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:117) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-01-24 13:10:44,795 INFO L168 Benchmark]: Toolchain (without parser) took 11366.36 ms. Allocated memory was 308.3 MB in the beginning and 612.4 MB in the end (delta: 304.1 MB). Free memory was 268.3 MB in the beginning and 423.6 MB in the end (delta: -155.3 MB). Peak memory consumption was 148.8 MB. Max. memory is 5.3 GB. [2018-01-24 13:10:44,796 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 308.3 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 13:10:44,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.36 ms. Allocated memory is still 308.3 MB. Free memory was 267.3 MB in the beginning and 255.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-01-24 13:10:44,796 INFO L168 Benchmark]: Boogie Preprocessor took 48.73 ms. Allocated memory is still 308.3 MB. Free memory was 255.4 MB in the beginning and 252.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-01-24 13:10:44,796 INFO L168 Benchmark]: RCFGBuilder took 961.43 ms. Allocated memory was 308.3 MB in the beginning and 328.7 MB in the end (delta: 20.4 MB). Free memory was 252.4 MB in the beginning and 287.4 MB in the end (delta: -35.0 MB). Peak memory consumption was 73.6 MB. Max. memory is 5.3 GB. [2018-01-24 13:10:44,797 INFO L168 Benchmark]: TraceAbstraction took 10116.76 ms. Allocated memory was 328.7 MB in the beginning and 612.4 MB in the end (delta: 283.6 MB). Free memory was 287.4 MB in the beginning and 423.6 MB in the end (delta: -136.2 MB). Peak memory consumption was 147.4 MB. Max. memory is 5.3 GB. [2018-01-24 13:10:44,799 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 308.3 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 230.36 ms. Allocated memory is still 308.3 MB. Free memory was 267.3 MB in the beginning and 255.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 48.73 ms. Allocated memory is still 308.3 MB. Free memory was 255.4 MB in the beginning and 252.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 961.43 ms. Allocated memory was 308.3 MB in the beginning and 328.7 MB in the end (delta: 20.4 MB). Free memory was 252.4 MB in the beginning and 287.4 MB in the end (delta: -35.0 MB). Peak memory consumption was 73.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 10116.76 ms. Allocated memory was 328.7 MB in the beginning and 612.4 MB in the end (delta: 283.6 MB). Free memory was 287.4 MB in the beginning and 423.6 MB in the end (delta: -136.2 MB). Peak memory consumption was 147.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_24 term size 38 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_24 term size 38: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/split_list_test05_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_RubberTaipan+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-24_13-10-44-806.csv Received shutdown request...