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/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 09:06:37,230 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 09:06:37,232 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 09:06:37,244 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 09:06:37,245 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 09:06:37,245 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 09:06:37,246 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 09:06:37,249 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 09:06:37,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 09:06:37,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 09:06:37,253 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 09:06:37,253 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 09:06:37,254 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 09:06:37,259 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 09:06:37,260 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 09:06:37,262 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 09:06:37,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 09:06:37,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 09:06:37,266 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 09:06:37,267 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 09:06:37,268 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 09:06:37,269 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 09:06:37,269 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 09:06:37,270 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 09:06:37,271 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 09:06:37,272 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 09:06:37,272 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 09:06:37,272 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 09:06:37,273 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 09:06:37,273 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 09:06:37,273 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 09:06:37,274 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-02-02 09:06:37,283 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 09:06:37,284 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 09:06:37,284 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 09:06:37,285 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 09:06:37,285 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 09:06:37,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 09:06:37,285 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 09:06:37,285 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 09:06:37,285 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 09:06:37,286 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 09:06:37,286 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 09:06:37,286 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 09:06:37,286 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 09:06:37,286 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 09:06:37,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 09:06:37,286 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 09:06:37,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 09:06:37,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 09:06:37,287 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 09:06:37,287 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 09:06:37,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 09:06:37,287 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 09:06:37,287 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 09:06:37,288 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 09:06:37,288 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-02-02 09:06:37,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 09:06:37,326 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 09:06:37,330 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 09:06:37,331 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 09:06:37,331 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 09:06:37,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_false-valid-deref.i [2018-02-02 09:06:37,488 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 09:06:37,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 09:06:37,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 09:06:37,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 09:06:37,497 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 09:06:37,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:06:37" (1/1) ... [2018-02-02 09:06:37,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15147958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:37, skipping insertion in model container [2018-02-02 09:06:37,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:06:37" (1/1) ... [2018-02-02 09:06:37,516 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 09:06:37,548 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 09:06:37,665 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 09:06:37,688 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 09:06:37,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:37 WrapperNode [2018-02-02 09:06:37,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 09:06:37,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 09:06:37,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 09:06:37,700 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 09:06:37,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:37" (1/1) ... [2018-02-02 09:06:37,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:37" (1/1) ... [2018-02-02 09:06:37,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:37" (1/1) ... [2018-02-02 09:06:37,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:37" (1/1) ... [2018-02-02 09:06:37,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:37" (1/1) ... [2018-02-02 09:06:37,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:37" (1/1) ... [2018-02-02 09:06:37,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:37" (1/1) ... [2018-02-02 09:06:37,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 09:06:37,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 09:06:37,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 09:06:37,731 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 09:06:37,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:37" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 09:06:37,774 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 09:06:37,774 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 09:06:37,774 INFO L136 BoogieDeclarations]: Found implementation of procedure containsHead [2018-02-02 09:06:37,774 INFO L136 BoogieDeclarations]: Found implementation of procedure containsBody [2018-02-02 09:06:37,775 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-02-02 09:06:37,775 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 09:06:37,775 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 09:06:37,775 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 09:06:37,775 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 09:06:37,775 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 09:06:37,775 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 09:06:37,775 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 09:06:37,775 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 09:06:37,775 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 09:06:37,775 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-02-02 09:06:37,775 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 09:06:37,776 INFO L128 BoogieDeclarations]: Found specification of procedure containsHead [2018-02-02 09:06:37,776 INFO L128 BoogieDeclarations]: Found specification of procedure containsBody [2018-02-02 09:06:37,776 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-02-02 09:06:37,776 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 09:06:37,776 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 09:06:37,776 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 09:06:38,554 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 09:06:38,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:06:38 BoogieIcfgContainer [2018-02-02 09:06:38,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 09:06:38,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 09:06:38,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 09:06:38,557 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 09:06:38,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:06:37" (1/3) ... [2018-02-02 09:06:38,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5e3b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:06:38, skipping insertion in model container [2018-02-02 09:06:38,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:37" (2/3) ... [2018-02-02 09:06:38,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5e3b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:06:38, skipping insertion in model container [2018-02-02 09:06:38,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:06:38" (3/3) ... [2018-02-02 09:06:38,560 INFO L107 eAbstractionObserver]: Analyzing ICFG split_list_test05_false-valid-deref.i [2018-02-02 09:06:38,566 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 09:06:38,577 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-02-02 09:06:38,602 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 09:06:38,602 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 09:06:38,602 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 09:06:38,602 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 09:06:38,603 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 09:06:38,603 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 09:06:38,603 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 09:06:38,603 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 09:06:38,603 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 09:06:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2018-02-02 09:06:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 09:06:38,626 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:38,627 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:38,627 INFO L371 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:38,630 INFO L82 PathProgramCache]: Analyzing trace with hash 479486545, now seen corresponding path program 1 times [2018-02-02 09:06:38,631 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:38,632 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:38,677 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:38,677 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:38,678 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:38,718 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:06:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:38,769 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:06:38,769 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 09:06:38,771 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 09:06:38,864 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 09:06:38,865 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 09:06:38,866 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 4 states. [2018-02-02 09:06:39,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:06:39,232 INFO L93 Difference]: Finished difference Result 387 states and 432 transitions. [2018-02-02 09:06:39,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 09:06:39,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-02 09:06:39,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:06:39,242 INFO L225 Difference]: With dead ends: 387 [2018-02-02 09:06:39,242 INFO L226 Difference]: Without dead ends: 384 [2018-02-02 09:06:39,243 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 09:06:39,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-02-02 09:06:39,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 344. [2018-02-02 09:06:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-02-02 09:06:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 388 transitions. [2018-02-02 09:06:39,285 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 388 transitions. Word has length 8 [2018-02-02 09:06:39,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:06:39,286 INFO L432 AbstractCegarLoop]: Abstraction has 344 states and 388 transitions. [2018-02-02 09:06:39,286 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 09:06:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 388 transitions. [2018-02-02 09:06:39,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 09:06:39,286 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:39,287 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:39,287 INFO L371 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:39,287 INFO L82 PathProgramCache]: Analyzing trace with hash 479486546, now seen corresponding path program 1 times [2018-02-02 09:06:39,287 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:39,287 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:39,288 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:39,288 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:39,288 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:39,308 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:06:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:39,371 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:06:39,371 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 09:06:39,372 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 09:06:39,372 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 09:06:39,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 09:06:39,373 INFO L87 Difference]: Start difference. First operand 344 states and 388 transitions. Second operand 4 states. [2018-02-02 09:06:39,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:06:39,590 INFO L93 Difference]: Finished difference Result 346 states and 392 transitions. [2018-02-02 09:06:39,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 09:06:39,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-02 09:06:39,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:06:39,592 INFO L225 Difference]: With dead ends: 346 [2018-02-02 09:06:39,592 INFO L226 Difference]: Without dead ends: 346 [2018-02-02 09:06:39,593 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 09:06:39,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-02-02 09:06:39,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 342. [2018-02-02 09:06:39,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-02 09:06:39,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 386 transitions. [2018-02-02 09:06:39,611 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 386 transitions. Word has length 8 [2018-02-02 09:06:39,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:06:39,611 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 386 transitions. [2018-02-02 09:06:39,611 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 09:06:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 386 transitions. [2018-02-02 09:06:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-02 09:06:39,612 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:39,612 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:39,612 INFO L371 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:39,612 INFO L82 PathProgramCache]: Analyzing trace with hash -2063719306, now seen corresponding path program 1 times [2018-02-02 09:06:39,612 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:39,612 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:39,613 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:39,613 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:39,614 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:39,630 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:06:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:39,659 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:06:39,659 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 09:06:39,659 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 09:06:39,659 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 09:06:39,659 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 09:06:39,659 INFO L87 Difference]: Start difference. First operand 342 states and 386 transitions. Second operand 4 states. [2018-02-02 09:06:39,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:06:39,856 INFO L93 Difference]: Finished difference Result 337 states and 381 transitions. [2018-02-02 09:06:39,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 09:06:39,856 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-02-02 09:06:39,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:06:39,858 INFO L225 Difference]: With dead ends: 337 [2018-02-02 09:06:39,858 INFO L226 Difference]: Without dead ends: 337 [2018-02-02 09:06:39,858 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 09:06:39,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-02-02 09:06:39,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2018-02-02 09:06:39,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-02-02 09:06:39,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 381 transitions. [2018-02-02 09:06:39,880 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 381 transitions. Word has length 18 [2018-02-02 09:06:39,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:06:39,880 INFO L432 AbstractCegarLoop]: Abstraction has 337 states and 381 transitions. [2018-02-02 09:06:39,881 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 09:06:39,881 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 381 transitions. [2018-02-02 09:06:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-02 09:06:39,881 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:39,881 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:39,881 INFO L371 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:39,882 INFO L82 PathProgramCache]: Analyzing trace with hash -2063719305, now seen corresponding path program 1 times [2018-02-02 09:06:39,882 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:39,882 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:39,883 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:39,883 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:39,883 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:39,897 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:06:39,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:39,944 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:06:39,945 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 09:06:39,945 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 09:06:39,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 09:06:39,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 09:06:39,945 INFO L87 Difference]: Start difference. First operand 337 states and 381 transitions. Second operand 4 states. [2018-02-02 09:06:40,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:06:40,099 INFO L93 Difference]: Finished difference Result 332 states and 376 transitions. [2018-02-02 09:06:40,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 09:06:40,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-02-02 09:06:40,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:06:40,101 INFO L225 Difference]: With dead ends: 332 [2018-02-02 09:06:40,102 INFO L226 Difference]: Without dead ends: 332 [2018-02-02 09:06:40,102 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 09:06:40,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-02-02 09:06:40,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2018-02-02 09:06:40,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-02-02 09:06:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 376 transitions. [2018-02-02 09:06:40,108 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 376 transitions. Word has length 18 [2018-02-02 09:06:40,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:06:40,108 INFO L432 AbstractCegarLoop]: Abstraction has 332 states and 376 transitions. [2018-02-02 09:06:40,108 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 09:06:40,108 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 376 transitions. [2018-02-02 09:06:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 09:06:40,109 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:40,109 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:40,109 INFO L371 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:40,109 INFO L82 PathProgramCache]: Analyzing trace with hash 449211379, now seen corresponding path program 1 times [2018-02-02 09:06:40,109 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:40,109 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:40,110 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:40,110 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:40,110 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:40,126 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:06:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:40,180 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:06:40,180 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 09:06:40,180 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 09:06:40,180 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 09:06:40,181 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-02 09:06:40,181 INFO L87 Difference]: Start difference. First operand 332 states and 376 transitions. Second operand 7 states. [2018-02-02 09:06:40,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:06:40,580 INFO L93 Difference]: Finished difference Result 360 states and 403 transitions. [2018-02-02 09:06:40,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 09:06:40,580 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-02-02 09:06:40,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:06:40,581 INFO L225 Difference]: With dead ends: 360 [2018-02-02 09:06:40,582 INFO L226 Difference]: Without dead ends: 360 [2018-02-02 09:06:40,582 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-02-02 09:06:40,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-02-02 09:06:40,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2018-02-02 09:06:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-02-02 09:06:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 368 transitions. [2018-02-02 09:06:40,588 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 368 transitions. Word has length 19 [2018-02-02 09:06:40,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:06:40,591 INFO L432 AbstractCegarLoop]: Abstraction has 324 states and 368 transitions. [2018-02-02 09:06:40,591 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 09:06:40,591 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 368 transitions. [2018-02-02 09:06:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 09:06:40,592 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:40,592 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:40,592 INFO L371 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:40,592 INFO L82 PathProgramCache]: Analyzing trace with hash 449211380, now seen corresponding path program 1 times [2018-02-02 09:06:40,592 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:40,593 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:40,593 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:40,594 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:40,594 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:40,608 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:06:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:40,687 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:06:40,687 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-02 09:06:40,687 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-02 09:06:40,691 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-02 09:06:40,691 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-02-02 09:06:40,691 INFO L87 Difference]: Start difference. First operand 324 states and 368 transitions. Second operand 8 states. [2018-02-02 09:06:41,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:06:41,447 INFO L93 Difference]: Finished difference Result 354 states and 399 transitions. [2018-02-02 09:06:41,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-02 09:06:41,448 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-02-02 09:06:41,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:06:41,449 INFO L225 Difference]: With dead ends: 354 [2018-02-02 09:06:41,449 INFO L226 Difference]: Without dead ends: 354 [2018-02-02 09:06:41,449 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-02-02 09:06:41,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-02-02 09:06:41,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 315. [2018-02-02 09:06:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-02-02 09:06:41,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 358 transitions. [2018-02-02 09:06:41,458 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 358 transitions. Word has length 19 [2018-02-02 09:06:41,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:06:41,458 INFO L432 AbstractCegarLoop]: Abstraction has 315 states and 358 transitions. [2018-02-02 09:06:41,458 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-02 09:06:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 358 transitions. [2018-02-02 09:06:41,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-02 09:06:41,459 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:41,459 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:41,459 INFO L371 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:41,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1619802097, now seen corresponding path program 1 times [2018-02-02 09:06:41,459 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:41,459 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:41,460 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:41,460 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:41,460 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:41,473 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:06:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:41,600 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:06:41,600 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-02 09:06:41,601 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-02 09:06:41,601 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-02 09:06:41,601 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-02-02 09:06:41,601 INFO L87 Difference]: Start difference. First operand 315 states and 358 transitions. Second operand 10 states. [2018-02-02 09:06:42,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:06:42,111 INFO L93 Difference]: Finished difference Result 338 states and 384 transitions. [2018-02-02 09:06:42,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-02 09:06:42,111 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-02-02 09:06:42,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:06:42,112 INFO L225 Difference]: With dead ends: 338 [2018-02-02 09:06:42,112 INFO L226 Difference]: Without dead ends: 338 [2018-02-02 09:06:42,113 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2018-02-02 09:06:42,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-02-02 09:06:42,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 326. [2018-02-02 09:06:42,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2018-02-02 09:06:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 371 transitions. [2018-02-02 09:06:42,120 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 371 transitions. Word has length 28 [2018-02-02 09:06:42,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:06:42,121 INFO L432 AbstractCegarLoop]: Abstraction has 326 states and 371 transitions. [2018-02-02 09:06:42,121 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-02 09:06:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 371 transitions. [2018-02-02 09:06:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-02 09:06:42,121 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:42,122 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:42,122 INFO L371 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:42,122 INFO L82 PathProgramCache]: Analyzing trace with hash -82034476, now seen corresponding path program 1 times [2018-02-02 09:06:42,122 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:42,122 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:42,123 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:42,123 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:42,123 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:42,141 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:06:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:42,518 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:06:42,518 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-02-02 09:06:42,518 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-02 09:06:42,518 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-02 09:06:42,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-02 09:06:42,518 INFO L87 Difference]: Start difference. First operand 326 states and 371 transitions. Second operand 13 states. [2018-02-02 09:06:43,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:06:43,062 INFO L93 Difference]: Finished difference Result 366 states and 411 transitions. [2018-02-02 09:06:43,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-02 09:06:43,062 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-02-02 09:06:43,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:06:43,063 INFO L225 Difference]: With dead ends: 366 [2018-02-02 09:06:43,064 INFO L226 Difference]: Without dead ends: 366 [2018-02-02 09:06:43,064 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2018-02-02 09:06:43,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-02-02 09:06:43,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 329. [2018-02-02 09:06:43,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-02-02 09:06:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 374 transitions. [2018-02-02 09:06:43,071 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 374 transitions. Word has length 30 [2018-02-02 09:06:43,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:06:43,071 INFO L432 AbstractCegarLoop]: Abstraction has 329 states and 374 transitions. [2018-02-02 09:06:43,071 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-02 09:06:43,072 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 374 transitions. [2018-02-02 09:06:43,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-02 09:06:43,073 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:43,073 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:43,073 INFO L371 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:43,073 INFO L82 PathProgramCache]: Analyzing trace with hash -156377040, now seen corresponding path program 1 times [2018-02-02 09:06:43,073 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:43,073 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:43,074 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:43,074 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:43,075 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:43,101 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:06:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:43,610 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 09:06:43,610 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-02 09:06:43,615 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:43,656 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 09:06:43,873 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 [2018-02-02 09:06:43,875 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 [2018-02-02 09:06:43,876 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:43,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:43,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:43,881 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-02-02 09:06:43,917 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 [2018-02-02 09:06:43,922 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 [2018-02-02 09:06:43,922 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:43,947 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 [2018-02-02 09:06:43,948 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-02 09:06:43,959 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 09:06:43,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-02 09:06:43,970 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:38, output treesize:70 [2018-02-02 09:06:44,045 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 68 treesize of output 65 [2018-02-02 09:06:44,050 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:44,052 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 61 treesize of output 76 [2018-02-02 09:06:44,053 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,086 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:44,100 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 39 treesize of output 54 [2018-02-02 09:06:44,100 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-02 09:06:44,117 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 09:06:44,138 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 33 treesize of output 28 [2018-02-02 09:06:44,140 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:44,140 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 [2018-02-02 09:06:44,141 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,145 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,168 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-02-02 09:06:44,168 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:102, output treesize:115 [2018-02-02 09:06:44,293 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:44,294 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:44,295 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 63 treesize of output 57 [2018-02-02 09:06:44,295 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:44,325 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:130, output treesize:57 [2018-02-02 09:06:44,428 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:44,429 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:44,429 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:44,430 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 [2018-02-02 09:06:44,430 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:44,444 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:76 [2018-02-02 09:06:44,533 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 [2018-02-02 09:06:44,537 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 [2018-02-02 09:06:44,537 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,544 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,553 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. [2018-02-02 09:06:44,553 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:76 [2018-02-02 09:06:44,598 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 [2018-02-02 09:06:44,604 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 [2018-02-02 09:06:44,604 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,611 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:44,622 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:89, output treesize:76 [2018-02-02 09:06:44,658 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 [2018-02-02 09:06:44,660 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 [2018-02-02 09:06:44,660 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,669 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,680 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:44,680 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:89, output treesize:85 [2018-02-02 09:06:44,729 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 58 [2018-02-02 09:06:44,732 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 [2018-02-02 09:06:44,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,740 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:44,740 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 [2018-02-02 09:06:44,741 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 14 [2018-02-02 09:06:44,746 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,749 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:44,754 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:44,755 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:94, output treesize:28 [2018-02-02 09:06:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:44,837 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 09:06:44,837 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 37 [2018-02-02 09:06:44,837 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-02 09:06:44,837 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-02 09:06:44,838 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1286, Unknown=0, NotChecked=0, Total=1406 [2018-02-02 09:06:44,838 INFO L87 Difference]: Start difference. First operand 329 states and 374 transitions. Second operand 38 states. [2018-02-02 09:06:46,080 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 101 DAG size of output 54 [2018-02-02 09:06:49,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:06:49,146 INFO L93 Difference]: Finished difference Result 478 states and 578 transitions. [2018-02-02 09:06:49,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-02 09:06:49,146 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 47 [2018-02-02 09:06:49,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:06:49,149 INFO L225 Difference]: With dead ends: 478 [2018-02-02 09:06:49,149 INFO L226 Difference]: Without dead ends: 478 [2018-02-02 09:06:49,150 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=544, Invalid=3362, Unknown=0, NotChecked=0, Total=3906 [2018-02-02 09:06:49,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-02-02 09:06:49,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 334. [2018-02-02 09:06:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-02-02 09:06:49,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 378 transitions. [2018-02-02 09:06:49,163 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 378 transitions. Word has length 47 [2018-02-02 09:06:49,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:06:49,163 INFO L432 AbstractCegarLoop]: Abstraction has 334 states and 378 transitions. [2018-02-02 09:06:49,163 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-02 09:06:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 378 transitions. [2018-02-02 09:06:49,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-02 09:06:49,164 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:49,164 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:49,164 INFO L371 AbstractCegarLoop]: === Iteration 10 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:49,165 INFO L82 PathProgramCache]: Analyzing trace with hash -156377039, now seen corresponding path program 1 times [2018-02-02 09:06:49,165 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:49,165 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:49,166 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:49,166 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:49,166 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:49,194 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:06:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:49,745 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 09:06:49,745 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-02 09:06:49,750 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:49,776 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 09:06:49,913 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 [2018-02-02 09:06:49,914 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 [2018-02-02 09:06:49,914 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:49,916 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:49,925 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 [2018-02-02 09:06:49,927 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 [2018-02-02 09:06:49,927 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:49,928 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:49,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:49,936 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:40 [2018-02-02 09:06:49,980 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 [2018-02-02 09:06:49,982 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 [2018-02-02 09:06:49,982 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:50,000 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 [2018-02-02 09:06:50,000 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-02 09:06:50,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 09:06:50,034 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 [2018-02-02 09:06:50,036 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 [2018-02-02 09:06:50,036 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:50,052 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 [2018-02-02 09:06:50,053 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-02-02 09:06:50,061 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 09:06:50,083 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-02-02 09:06:50,083 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:66, output treesize:212 [2018-02-02 09:06:50,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 70 [2018-02-02 09:06:50,168 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,169 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 [2018-02-02 09:06:50,169 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:50,180 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:50,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 61 [2018-02-02 09:06:50,224 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,225 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 [2018-02-02 09:06:50,225 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:50,235 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:50,285 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 168 treesize of output 157 [2018-02-02 09:06:50,289 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,290 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 161 treesize of output 188 [2018-02-02 09:06:50,290 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:50,376 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,377 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 135 treesize of output 161 [2018-02-02 09:06:50,385 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-02-02 09:06:50,444 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 09:06:50,499 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 107 treesize of output 90 [2018-02-02 09:06:50,501 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,502 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,502 INFO L682 Elim1Store]: detected equality via solver [2018-02-02 09:06:50,504 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 0 case distinctions, treesize of input 74 treesize of output 49 [2018-02-02 09:06:50,504 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:50,514 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:50,534 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 158 treesize of output 158 [2018-02-02 09:06:50,539 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,540 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 151 treesize of output 178 [2018-02-02 09:06:50,540 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:50,616 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,617 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 133 treesize of output 159 [2018-02-02 09:06:50,627 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-02-02 09:06:50,667 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 09:06:50,708 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-02-02 09:06:50,708 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:244, output treesize:267 [2018-02-02 09:06:50,802 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,803 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,803 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 156 treesize of output 150 [2018-02-02 09:06:50,804 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:50,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:50,856 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:291, output treesize:150 [2018-02-02 09:06:50,990 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,990 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,991 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:50,991 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-02-02 09:06:50,992 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2018-02-02 09:06:51,009 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,023 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:51,023 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:161, output treesize:153 [2018-02-02 09:06:51,131 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 139 treesize of output 137 [2018-02-02 09:06:51,133 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 [2018-02-02 09:06:51,134 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,147 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,184 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 151 [2018-02-02 09:06:51,186 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 [2018-02-02 09:06:51,186 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,208 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:51,223 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:183, output treesize:153 [2018-02-02 09:06:51,238 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 137 treesize of output 135 [2018-02-02 09:06:51,241 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 [2018-02-02 09:06:51,241 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,282 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 149 [2018-02-02 09:06:51,284 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 [2018-02-02 09:06:51,284 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,295 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,314 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:51,314 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:179, output treesize:153 [2018-02-02 09:06:51,324 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 137 treesize of output 135 [2018-02-02 09:06:51,326 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 [2018-02-02 09:06:51,326 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,337 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,363 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 149 [2018-02-02 09:06:51,364 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 [2018-02-02 09:06:51,364 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,375 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,393 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:51,393 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:179, output treesize:171 [2018-02-02 09:06:51,458 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 142 treesize of output 123 [2018-02-02 09:06:51,460 INFO L682 Elim1Store]: detected equality via solver [2018-02-02 09:06:51,461 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 79 treesize of output 59 [2018-02-02 09:06:51,461 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,473 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 [2018-02-02 09:06:51,473 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,483 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:51,483 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 27 treesize of output 20 [2018-02-02 09:06:51,483 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,491 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,511 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 69 [2018-02-02 09:06:51,513 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 [2018-02-02 09:06:51,513 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,526 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:06:51,526 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 23 treesize of output 16 [2018-02-02 09:06:51,526 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,542 INFO L682 Elim1Store]: detected equality via solver [2018-02-02 09:06:51,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2018-02-02 09:06:51,543 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,548 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:06:51,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:06:51,561 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:189, output treesize:22 [2018-02-02 09:06:51,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:06:51,642 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 09:06:51,642 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2018-02-02 09:06:51,642 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-02 09:06:51,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-02 09:06:51,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1380, Unknown=1, NotChecked=0, Total=1482 [2018-02-02 09:06:51,643 INFO L87 Difference]: Start difference. First operand 334 states and 378 transitions. Second operand 39 states. [2018-02-02 09:06:53,194 WARN L146 SmtUtils]: Spent 180ms on a formula simplification. DAG size of input: 143 DAG size of output 133 [2018-02-02 09:06:53,675 WARN L146 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 136 DAG size of output 82 [2018-02-02 09:06:54,394 WARN L146 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 148 DAG size of output 94 [2018-02-02 09:06:54,764 WARN L146 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 161 DAG size of output 104 [2018-02-02 09:06:59,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:06:59,327 INFO L93 Difference]: Finished difference Result 476 states and 576 transitions. [2018-02-02 09:06:59,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-02 09:06:59,327 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 47 [2018-02-02 09:06:59,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:06:59,329 INFO L225 Difference]: With dead ends: 476 [2018-02-02 09:06:59,329 INFO L226 Difference]: Without dead ends: 476 [2018-02-02 09:06:59,330 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=590, Invalid=3965, Unknown=1, NotChecked=0, Total=4556 [2018-02-02 09:06:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-02-02 09:06:59,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 333. [2018-02-02 09:06:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-02-02 09:06:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 377 transitions. [2018-02-02 09:06:59,339 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 377 transitions. Word has length 47 [2018-02-02 09:06:59,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:06:59,340 INFO L432 AbstractCegarLoop]: Abstraction has 333 states and 377 transitions. [2018-02-02 09:06:59,340 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-02 09:06:59,340 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 377 transitions. [2018-02-02 09:06:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-02-02 09:06:59,346 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:59,347 INFO L351 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:59,347 INFO L371 AbstractCegarLoop]: === Iteration 11 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:59,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1032388757, now seen corresponding path program 1 times [2018-02-02 09:06:59,347 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:59,347 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:59,348 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:59,348 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:59,348 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:59,367 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:06:59,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2018-02-02 09:06:59,432 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 09:06:59,432 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-02 09:06:59,439 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:59,567 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 09:06:59,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2018-02-02 09:06:59,632 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-02-02 09:06:59,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2018-02-02 09:06:59,633 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 09:06:59,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 09:06:59,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 09:06:59,633 INFO L87 Difference]: Start difference. First operand 333 states and 377 transitions. Second operand 3 states. [2018-02-02 09:06:59,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:06:59,646 INFO L93 Difference]: Finished difference Result 334 states and 378 transitions. [2018-02-02 09:06:59,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 09:06:59,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2018-02-02 09:06:59,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:06:59,648 INFO L225 Difference]: With dead ends: 334 [2018-02-02 09:06:59,648 INFO L226 Difference]: Without dead ends: 334 [2018-02-02 09:06:59,648 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 09:06:59,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-02-02 09:06:59,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2018-02-02 09:06:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-02-02 09:06:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 378 transitions. [2018-02-02 09:06:59,654 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 378 transitions. Word has length 240 [2018-02-02 09:06:59,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:06:59,655 INFO L432 AbstractCegarLoop]: Abstraction has 334 states and 378 transitions. [2018-02-02 09:06:59,655 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 09:06:59,655 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 378 transitions. [2018-02-02 09:06:59,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-02-02 09:06:59,658 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:06:59,659 INFO L351 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:06:59,659 INFO L371 AbstractCegarLoop]: === Iteration 12 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:06:59,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1145563202, now seen corresponding path program 1 times [2018-02-02 09:06:59,659 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:06:59,659 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:06:59,660 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:59,660 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:06:59,660 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:06:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:06:59,774 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:07:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 2 proven. 398 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2018-02-02 09:07:00,653 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 09:07:00,653 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-02 09:07:00,658 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:07:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:07:00,764 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 09:07:00,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-02 09:07:00,829 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 8 treesize of output 7 [2018-02-02 09:07:00,829 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:07:00,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:07:00,834 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:07:00,834 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-02-02 09:07:00,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-02-02 09:07:00,853 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:00,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-02-02 09:07:00,854 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:07:00,857 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:07:00,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:07:00,861 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2018-02-02 09:07:00,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-02-02 09:07:00,892 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 31 treesize of output 30 [2018-02-02 09:07:00,892 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:07:00,908 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:00,909 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:00,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 53 [2018-02-02 09:07:00,917 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-02-02 09:07:00,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-02-02 09:07:00,954 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-02-02 09:07:00,954 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:44, output treesize:123 [2018-02-02 09:07:01,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 69 [2018-02-02 09:07:01,010 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:01,010 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 69 treesize of output 84 [2018-02-02 09:07:01,011 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:07:01,032 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:01,033 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:01,034 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:01,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 92 [2018-02-02 09:07:01,042 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:07:01,076 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:07:01,093 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-02 09:07:01,111 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-02 09:07:01,154 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:01,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2018-02-02 09:07:01,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 31 treesize of output 27 [2018-02-02 09:07:01,156 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-02 09:07:01,165 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:07:01,199 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2018-02-02 09:07:01,201 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:01,201 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:01,202 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:01,202 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:01,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 60 [2018-02-02 09:07:01,203 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-02 09:07:01,211 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 09:07:01,239 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-02-02 09:07:01,239 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:159, output treesize:187 [2018-02-02 09:07:01,336 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-02 09:07:01,337 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 09:07:01,401 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:01,402 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 09:07:01,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 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 [2018-02-02 09:07:01,402 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 09:07:01,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:07:01,409 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:207, output treesize:65 [2018-02-02 09:07:01,542 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:07:01,543 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 09:07:01,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-02 09:07:01,559 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:21 [2018-02-02 09:07:01,785 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-02-02 09:07:01,786 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 7 variables, input treesize:85, output treesize:1 [2018-02-02 09:07:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 992 proven. 25 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2018-02-02 09:07:01,867 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 09:07:01,867 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 40 [2018-02-02 09:07:01,867 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-02 09:07:01,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-02 09:07:01,868 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1385, Unknown=10, NotChecked=0, Total=1560 [2018-02-02 09:07:01,868 INFO L87 Difference]: Start difference. First operand 334 states and 378 transitions. Second operand 40 states. [2018-02-02 09:07:11,261 WARN L146 SmtUtils]: Spent 4097ms on a formula simplification. DAG size of input: 54 DAG size of output 45 [2018-02-02 09:07:17,537 WARN L146 SmtUtils]: Spent 4163ms on a formula simplification. DAG size of input: 61 DAG size of output 43 [2018-02-02 09:07:30,288 WARN L146 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 105 DAG size of output 94 [2018-02-02 09:07:32,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:07:32,175 INFO L93 Difference]: Finished difference Result 388 states and 434 transitions. [2018-02-02 09:07:32,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-02 09:07:32,175 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 266 [2018-02-02 09:07:32,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:07:32,176 INFO L225 Difference]: With dead ends: 388 [2018-02-02 09:07:32,176 INFO L226 Difference]: Without dead ends: 369 [2018-02-02 09:07:32,177 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 254 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1261 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=693, Invalid=4111, Unknown=26, NotChecked=0, Total=4830 [2018-02-02 09:07:32,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-02-02 09:07:32,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 327. [2018-02-02 09:07:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-02-02 09:07:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 369 transitions. [2018-02-02 09:07:32,183 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 369 transitions. Word has length 266 [2018-02-02 09:07:32,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:07:32,184 INFO L432 AbstractCegarLoop]: Abstraction has 327 states and 369 transitions. [2018-02-02 09:07:32,184 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-02 09:07:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 369 transitions. [2018-02-02 09:07:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-02-02 09:07:32,186 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:07:32,186 INFO L351 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:07:32,186 INFO L371 AbstractCegarLoop]: === Iteration 13 === [containsHeadErr10RequiresViolation, containsHeadErr28RequiresViolation, containsHeadErr33RequiresViolation, containsHeadErr38RequiresViolation, containsHeadErr18RequiresViolation, containsHeadErr5RequiresViolation, containsHeadErr0RequiresViolation, containsHeadErr7RequiresViolation, containsHeadErr2RequiresViolation, containsHeadErr26RequiresViolation, containsHeadErr17RequiresViolation, containsHeadErr40RequiresViolation, containsHeadErr36RequiresViolation, containsHeadErr27RequiresViolation, containsHeadErr13RequiresViolation, containsHeadErr30RequiresViolation, containsHeadErr20RequiresViolation, containsHeadErr23RequiresViolation, containsHeadErr8RequiresViolation, containsHeadErr1RequiresViolation, containsHeadErr14RequiresViolation, containsHeadErr37RequiresViolation, containsHeadErr19RequiresViolation, containsHeadErr11RequiresViolation, containsHeadErr4RequiresViolation, containsHeadErr29RequiresViolation, containsHeadErr32RequiresViolation, containsHeadErr9RequiresViolation, containsHeadErr16RequiresViolation, containsHeadErr39RequiresViolation, containsHeadErr24RequiresViolation, containsHeadErr34RequiresViolation, containsHeadErr3RequiresViolation, containsHeadErr12RequiresViolation, containsHeadErr31RequiresViolation, containsHeadErr35RequiresViolation, containsHeadErr21RequiresViolation, containsHeadErr41RequiresViolation, containsHeadErr22RequiresViolation, containsHeadErr25RequiresViolation, containsHeadErr6RequiresViolation, containsHeadErr15RequiresViolation, containsBodyErr15RequiresViolation, containsBodyErr30RequiresViolation, containsBodyErr1RequiresViolation, containsBodyErr20RequiresViolation, containsBodyErr9RequiresViolation, containsBodyErr10RequiresViolation, containsBodyErr25RequiresViolation, containsBodyErr12RequiresViolation, containsBodyErr35RequiresViolation, containsBodyErr22RequiresViolation, containsBodyErr40RequiresViolation, containsBodyErr3RequiresViolation, containsBodyErr2RequiresViolation, containsBodyErr28RequiresViolation, containsBodyErr6RequiresViolation, containsBodyErr38RequiresViolation, containsBodyErr18RequiresViolation, containsBodyErr21RequiresViolation, containsBodyErr41RequiresViolation, containsBodyErr31RequiresViolation, containsBodyErr29RequiresViolation, containsBodyErr11RequiresViolation, containsBodyErr39RequiresViolation, containsBodyErr24RequiresViolation, containsBodyErr16RequiresViolation, containsBodyErr34RequiresViolation, containsBodyErr0RequiresViolation, containsBodyErr14RequiresViolation, containsBodyErr19RequiresViolation, containsBodyErr5RequiresViolation, containsBodyErr37RequiresViolation, containsBodyErr13RequiresViolation, containsBodyErr32RequiresViolation, containsBodyErr27RequiresViolation, containsBodyErr7RequiresViolation, containsBodyErr36RequiresViolation, containsBodyErr17RequiresViolation, containsBodyErr8RequiresViolation, containsBodyErr4RequiresViolation, containsBodyErr33RequiresViolation, containsBodyErr26RequiresViolation, containsBodyErr23RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr28RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr30EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 09:07:32,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1863313214, now seen corresponding path program 1 times [2018-02-02 09:07:32,187 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 09:07:32,187 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 09:07:32,187 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:07:32,187 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 09:07:32,187 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 09:07:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:07:35,849 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-02-02 09:07:38,193 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:235) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$0(Interpolator.java:233) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:130) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:218) 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:397) 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:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-02 09:07:38,196 INFO L168 Benchmark]: Toolchain (without parser) took 60707.11 ms. Allocated memory was 394.8 MB in the beginning and 1.4 GB in the end (delta: 995.1 MB). Free memory was 351.5 MB in the beginning and 514.8 MB in the end (delta: -163.3 MB). Peak memory consumption was 968.2 MB. Max. memory is 5.3 GB. [2018-02-02 09:07:38,197 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 394.8 MB. Free memory is still 358.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 09:07:38,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.47 ms. Allocated memory is still 394.8 MB. Free memory was 351.5 MB in the beginning and 339.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-02-02 09:07:38,198 INFO L168 Benchmark]: Boogie Preprocessor took 30.51 ms. Allocated memory is still 394.8 MB. Free memory was 339.5 MB in the beginning and 336.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 09:07:38,198 INFO L168 Benchmark]: RCFGBuilder took 823.53 ms. Allocated memory is still 394.8 MB. Free memory was 336.9 MB in the beginning and 261.9 MB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 5.3 GB. [2018-02-02 09:07:38,198 INFO L168 Benchmark]: TraceAbstraction took 59640.53 ms. Allocated memory was 394.8 MB in the beginning and 1.4 GB in the end (delta: 995.1 MB). Free memory was 261.9 MB in the beginning and 514.8 MB in the end (delta: -252.9 MB). Peak memory consumption was 878.7 MB. Max. memory is 5.3 GB. [2018-02-02 09:07:38,199 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 394.8 MB. Free memory is still 358.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 209.47 ms. Allocated memory is still 394.8 MB. Free memory was 351.5 MB in the beginning and 339.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.51 ms. Allocated memory is still 394.8 MB. Free memory was 339.5 MB in the beginning and 336.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 823.53 ms. Allocated memory is still 394.8 MB. Free memory was 336.9 MB in the beginning and 261.9 MB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 59640.53 ms. Allocated memory was 394.8 MB in the beginning and 1.4 GB in the end (delta: 995.1 MB). Free memory was 261.9 MB in the beginning and 514.8 MB in the end (delta: -252.9 MB). Peak memory consumption was 878.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/split_list_test05_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_09-07-38-206.csv Completed graceful shutdown