./Ultimate.py --spec /storage/repos/svcomp-fix-benchmarks/c/MemSafety-MemCleanup.prp --file /storage/repos/svcomp-fix-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 7df24a18 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp-fix-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc 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Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp-fix-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_119 term size 39 --- Real Ultimate output --- This is Ultimate 0.1.23-7df24a1 [2018-11-02 10:24:56,488 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-02 10:24:56,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-02 10:24:56,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-02 10:24:56,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-02 10:24:56,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-02 10:24:56,508 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-02 10:24:56,510 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-02 10:24:56,512 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-02 10:24:56,513 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-02 10:24:56,514 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-02 10:24:56,514 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-02 10:24:56,515 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-02 10:24:56,516 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-02 10:24:56,518 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-02 10:24:56,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-02 10:24:56,520 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-02 10:24:56,521 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-02 10:24:56,524 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-02 10:24:56,525 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-02 10:24:56,527 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-02 10:24:56,528 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-02 10:24:56,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-02 10:24:56,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-02 10:24:56,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-02 10:24:56,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-02 10:24:56,535 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-02 10:24:56,535 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-02 10:24:56,537 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-02 10:24:56,538 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-02 10:24:56,538 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-02 10:24:56,539 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-02 10:24:56,540 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-02 10:24:56,540 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-02 10:24:56,541 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-02 10:24:56,542 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-02 10:24:56,543 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2018-11-02 10:24:56,558 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-02 10:24:56,559 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-02 10:24:56,560 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-02 10:24:56,560 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-02 10:24:56,560 INFO L133 SettingsManager]: * Use SBE=true [2018-11-02 10:24:56,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-02 10:24:56,561 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-02 10:24:56,561 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-02 10:24:56,562 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-02 10:24:56,562 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-02 10:24:56,562 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-02 10:24:56,562 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-02 10:24:56,562 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-02 10:24:56,563 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-02 10:24:56,563 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-02 10:24:56,563 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-02 10:24:56,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-02 10:24:56,563 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-02 10:24:56,563 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-02 10:24:56,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-02 10:24:56,565 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-02 10:24:56,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-02 10:24:56,565 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-02 10:24:56,566 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-02 10:24:56,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc [2018-11-02 10:24:56,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-02 10:24:56,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-02 10:24:56,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-02 10:24:56,628 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-02 10:24:56,629 INFO L276 PluginConnector]: CDTParser initialized [2018-11-02 10:24:56,630 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp-fix-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-02 10:24:56,705 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db47213f0/4e5883e0e3974a1fb7e7a3ea32eeede5/FLAGd4239584e [2018-11-02 10:24:57,273 INFO L298 CDTParser]: Found 1 translation units. [2018-11-02 10:24:57,274 INFO L158 CDTParser]: Scanning /storage/repos/svcomp-fix-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-02 10:24:57,292 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db47213f0/4e5883e0e3974a1fb7e7a3ea32eeede5/FLAGd4239584e [2018-11-02 10:24:57,309 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db47213f0/4e5883e0e3974a1fb7e7a3ea32eeede5 [2018-11-02 10:24:57,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-02 10:24:57,316 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-02 10:24:57,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-02 10:24:57,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-02 10:24:57,322 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-02 10:24:57,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:24:57" (1/1) ... [2018-11-02 10:24:57,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3119c6f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:57, skipping insertion in model container [2018-11-02 10:24:57,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:24:57" (1/1) ... [2018-11-02 10:24:57,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-02 10:24:57,407 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-02 10:24:57,828 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-02 10:24:57,849 INFO L189 MainTranslator]: Completed pre-run [2018-11-02 10:24:57,926 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-02 10:24:57,991 INFO L193 MainTranslator]: Completed translation [2018-11-02 10:24:57,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:57 WrapperNode [2018-11-02 10:24:57,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-02 10:24:57,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-02 10:24:57,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-02 10:24:57,993 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-02 10:24:58,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:57" (1/1) ... [2018-11-02 10:24:58,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:57" (1/1) ... [2018-11-02 10:24:58,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:57" (1/1) ... [2018-11-02 10:24:58,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:57" (1/1) ... [2018-11-02 10:24:58,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:57" (1/1) ... [2018-11-02 10:24:58,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:57" (1/1) ... [2018-11-02 10:24:58,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:57" (1/1) ... [2018-11-02 10:24:58,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-02 10:24:58,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-02 10:24:58,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-02 10:24:58,173 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-02 10:24:58,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:57" (1/1) ... No working directory specified, using /storage/repos/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 [2018-11-02 10:24:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-02 10:24:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-02 10:24:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-02 10:24:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-02 10:24:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-02 10:24:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-02 10:24:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-02 10:24:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-02 10:24:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-02 10:24:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-02 10:24:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-02 10:24:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-02 10:24:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-02 10:24:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-02 10:24:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-02 10:24:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-02 10:24:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-02 10:24:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-02 10:24:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-02 10:24:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-02 10:24:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-02 10:24:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-02 10:24:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-02 10:24:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-02 10:24:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-02 10:24:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-02 10:24:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-02 10:24:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-02 10:24:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-02 10:24:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-02 10:24:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-02 10:24:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-02 10:24:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-02 10:24:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-02 10:24:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-02 10:24:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-02 10:24:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-02 10:24:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-02 10:24:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-02 10:24:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-02 10:24:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-02 10:24:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-02 10:24:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-02 10:24:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-02 10:24:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-02 10:24:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-02 10:24:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-02 10:24:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-02 10:24:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-02 10:24:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-02 10:24:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-02 10:24:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-02 10:24:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-02 10:24:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-02 10:24:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-02 10:24:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-02 10:24:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-02 10:24:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-02 10:24:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-02 10:24:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-02 10:24:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-02 10:24:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-02 10:24:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-02 10:24:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-02 10:24:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-02 10:24:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-02 10:24:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-02 10:24:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-02 10:24:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-02 10:24:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-02 10:24:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-02 10:24:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-02 10:24:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-02 10:24:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-02 10:24:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-02 10:24:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-02 10:24:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-02 10:24:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-02 10:24:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-02 10:24:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-02 10:24:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-02 10:24:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-02 10:24:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-02 10:24:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-02 10:24:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-02 10:24:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-02 10:24:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-02 10:24:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-02 10:24:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-02 10:24:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-02 10:24:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-02 10:24:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-02 10:24:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-02 10:24:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-02 10:24:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-02 10:24:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-02 10:24:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-02 10:24:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-02 10:24:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-02 10:24:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-02 10:24:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-02 10:24:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-02 10:24:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-02 10:24:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-02 10:24:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-02 10:24:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-02 10:24:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-02 10:24:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-02 10:24:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-02 10:24:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-02 10:24:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-02 10:24:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-02 10:24:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-02 10:24:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-02 10:24:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-02 10:24:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-02 10:24:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-02 10:24:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-02 10:24:59,424 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-02 10:24:59,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:24:59 BoogieIcfgContainer [2018-11-02 10:24:59,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-02 10:24:59,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-02 10:24:59,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-02 10:24:59,429 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-02 10:24:59,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:24:57" (1/3) ... [2018-11-02 10:24:59,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d70942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:24:59, skipping insertion in model container [2018-11-02 10:24:59,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:57" (2/3) ... [2018-11-02 10:24:59,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d70942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:24:59, skipping insertion in model container [2018-11-02 10:24:59,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:24:59" (3/3) ... [2018-11-02 10:24:59,433 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-02 10:24:59,443 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-02 10:24:59,452 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 57 error locations. [2018-11-02 10:24:59,470 INFO L257 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2018-11-02 10:24:59,500 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-02 10:24:59,501 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-02 10:24:59,501 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-02 10:24:59,501 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-02 10:24:59,501 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-02 10:24:59,502 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-02 10:24:59,502 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-02 10:24:59,502 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-02 10:24:59,502 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-02 10:24:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-11-02 10:24:59,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-02 10:24:59,533 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:24:59,534 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:24:59,536 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:24:59,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:24:59,543 INFO L82 PathProgramCache]: Analyzing trace with hash 955185525, now seen corresponding path program 1 times [2018-11-02 10:24:59,545 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:24:59,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:24:59,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:24:59,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:24:59,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:24:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:24:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:24:59,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:24:59,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-02 10:24:59,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-02 10:24:59,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-02 10:24:59,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-02 10:24:59,778 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 4 states. [2018-11-02 10:25:00,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:00,593 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2018-11-02 10:25:00,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-02 10:25:00,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-02 10:25:00,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:00,609 INFO L225 Difference]: With dead ends: 153 [2018-11-02 10:25:00,609 INFO L226 Difference]: Without dead ends: 149 [2018-11-02 10:25:00,611 INFO L605 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 [2018-11-02 10:25:00,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-02 10:25:00,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 123. [2018-11-02 10:25:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-02 10:25:00,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 132 transitions. [2018-11-02 10:25:00,665 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 132 transitions. Word has length 8 [2018-11-02 10:25:00,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:00,665 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 132 transitions. [2018-11-02 10:25:00,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-02 10:25:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2018-11-02 10:25:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-02 10:25:00,666 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:00,666 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:00,667 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:00,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:00,667 INFO L82 PathProgramCache]: Analyzing trace with hash 955185526, now seen corresponding path program 1 times [2018-11-02 10:25:00,667 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:00,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:00,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:00,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:00,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:00,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:00,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-02 10:25:00,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-02 10:25:00,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-02 10:25:00,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-02 10:25:00,785 INFO L87 Difference]: Start difference. First operand 123 states and 132 transitions. Second operand 4 states. [2018-11-02 10:25:01,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:01,160 INFO L93 Difference]: Finished difference Result 120 states and 129 transitions. [2018-11-02 10:25:01,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-02 10:25:01,161 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-02 10:25:01,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:01,163 INFO L225 Difference]: With dead ends: 120 [2018-11-02 10:25:01,163 INFO L226 Difference]: Without dead ends: 120 [2018-11-02 10:25:01,164 INFO L605 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 [2018-11-02 10:25:01,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-02 10:25:01,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 115. [2018-11-02 10:25:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-02 10:25:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 124 transitions. [2018-11-02 10:25:01,174 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 124 transitions. Word has length 8 [2018-11-02 10:25:01,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:01,175 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 124 transitions. [2018-11-02 10:25:01,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-02 10:25:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 124 transitions. [2018-11-02 10:25:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-02 10:25:01,176 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:01,176 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:01,176 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:01,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:01,177 INFO L82 PathProgramCache]: Analyzing trace with hash 436005721, now seen corresponding path program 1 times [2018-11-02 10:25:01,177 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:01,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:01,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:01,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:01,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:01,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:01,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-02 10:25:01,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-02 10:25:01,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-02 10:25:01,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:25:01,273 INFO L87 Difference]: Start difference. First operand 115 states and 124 transitions. Second operand 5 states. [2018-11-02 10:25:02,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:02,000 INFO L93 Difference]: Finished difference Result 234 states and 252 transitions. [2018-11-02 10:25:02,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-02 10:25:02,001 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-02 10:25:02,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:02,003 INFO L225 Difference]: With dead ends: 234 [2018-11-02 10:25:02,004 INFO L226 Difference]: Without dead ends: 234 [2018-11-02 10:25:02,004 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-02 10:25:02,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-11-02 10:25:02,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 114. [2018-11-02 10:25:02,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-02 10:25:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2018-11-02 10:25:02,028 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 15 [2018-11-02 10:25:02,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:02,033 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2018-11-02 10:25:02,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-02 10:25:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2018-11-02 10:25:02,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-02 10:25:02,034 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:02,034 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:02,034 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:02,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:02,035 INFO L82 PathProgramCache]: Analyzing trace with hash 436005722, now seen corresponding path program 1 times [2018-11-02 10:25:02,035 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:02,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:02,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:02,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:02,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:02,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:02,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-02 10:25:02,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-02 10:25:02,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-02 10:25:02,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:25:02,138 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand 5 states. [2018-11-02 10:25:02,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:02,627 INFO L93 Difference]: Finished difference Result 205 states and 221 transitions. [2018-11-02 10:25:02,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-02 10:25:02,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-02 10:25:02,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:02,632 INFO L225 Difference]: With dead ends: 205 [2018-11-02 10:25:02,632 INFO L226 Difference]: Without dead ends: 205 [2018-11-02 10:25:02,633 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-02 10:25:02,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-11-02 10:25:02,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 113. [2018-11-02 10:25:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-02 10:25:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 122 transitions. [2018-11-02 10:25:02,649 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 122 transitions. Word has length 15 [2018-11-02 10:25:02,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:02,649 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 122 transitions. [2018-11-02 10:25:02,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-02 10:25:02,650 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2018-11-02 10:25:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-02 10:25:02,652 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:02,652 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:02,652 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:02,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:02,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1344635916, now seen corresponding path program 1 times [2018-11-02 10:25:02,654 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:02,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:02,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:02,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:02,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-02 10:25:02,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-02 10:25:02,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-02 10:25:02,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-02 10:25:02,752 INFO L87 Difference]: Start difference. First operand 113 states and 122 transitions. Second operand 4 states. [2018-11-02 10:25:02,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:02,932 INFO L93 Difference]: Finished difference Result 120 states and 129 transitions. [2018-11-02 10:25:02,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-02 10:25:02,933 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-11-02 10:25:02,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:02,935 INFO L225 Difference]: With dead ends: 120 [2018-11-02 10:25:02,935 INFO L226 Difference]: Without dead ends: 120 [2018-11-02 10:25:02,936 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:25:02,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-02 10:25:02,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 111. [2018-11-02 10:25:02,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-02 10:25:02,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 125 transitions. [2018-11-02 10:25:02,942 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 125 transitions. Word has length 19 [2018-11-02 10:25:02,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:02,943 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 125 transitions. [2018-11-02 10:25:02,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-02 10:25:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 125 transitions. [2018-11-02 10:25:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-02 10:25:02,944 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:02,944 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:02,944 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:02,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:02,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1344635917, now seen corresponding path program 1 times [2018-11-02 10:25:02,945 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:02,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:02,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:02,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:02,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:03,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:03,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-02 10:25:03,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-02 10:25:03,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-02 10:25:03,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-02 10:25:03,085 INFO L87 Difference]: Start difference. First operand 111 states and 125 transitions. Second operand 7 states. [2018-11-02 10:25:03,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:03,639 INFO L93 Difference]: Finished difference Result 151 states and 164 transitions. [2018-11-02 10:25:03,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-02 10:25:03,641 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-02 10:25:03,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:03,642 INFO L225 Difference]: With dead ends: 151 [2018-11-02 10:25:03,643 INFO L226 Difference]: Without dead ends: 151 [2018-11-02 10:25:03,643 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-02 10:25:03,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-02 10:25:03,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 132. [2018-11-02 10:25:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-02 10:25:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 148 transitions. [2018-11-02 10:25:03,651 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 148 transitions. Word has length 19 [2018-11-02 10:25:03,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:03,651 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 148 transitions. [2018-11-02 10:25:03,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-02 10:25:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 148 transitions. [2018-11-02 10:25:03,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-02 10:25:03,652 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:03,652 INFO L375 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] [2018-11-02 10:25:03,653 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:03,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:03,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1111365356, now seen corresponding path program 1 times [2018-11-02 10:25:03,653 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:03,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:03,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:03,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:03,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:03,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:03,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-02 10:25:03,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-02 10:25:03,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-02 10:25:03,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-02 10:25:03,872 INFO L87 Difference]: Start difference. First operand 132 states and 148 transitions. Second operand 6 states. [2018-11-02 10:25:04,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:04,355 INFO L93 Difference]: Finished difference Result 178 states and 199 transitions. [2018-11-02 10:25:04,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-02 10:25:04,356 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-02 10:25:04,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:04,358 INFO L225 Difference]: With dead ends: 178 [2018-11-02 10:25:04,358 INFO L226 Difference]: Without dead ends: 178 [2018-11-02 10:25:04,358 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-02 10:25:04,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-11-02 10:25:04,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 131. [2018-11-02 10:25:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-02 10:25:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 147 transitions. [2018-11-02 10:25:04,365 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 147 transitions. Word has length 22 [2018-11-02 10:25:04,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:04,366 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 147 transitions. [2018-11-02 10:25:04,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-02 10:25:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 147 transitions. [2018-11-02 10:25:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-02 10:25:04,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:04,367 INFO L375 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] [2018-11-02 10:25:04,367 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:04,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:04,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1111365355, now seen corresponding path program 1 times [2018-11-02 10:25:04,368 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:04,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:04,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:04,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:04,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:04,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:04,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-02 10:25:04,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-02 10:25:04,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-02 10:25:04,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-02 10:25:04,543 INFO L87 Difference]: Start difference. First operand 131 states and 147 transitions. Second operand 6 states. [2018-11-02 10:25:05,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:05,361 INFO L93 Difference]: Finished difference Result 192 states and 218 transitions. [2018-11-02 10:25:05,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-02 10:25:05,362 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-02 10:25:05,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:05,363 INFO L225 Difference]: With dead ends: 192 [2018-11-02 10:25:05,363 INFO L226 Difference]: Without dead ends: 192 [2018-11-02 10:25:05,364 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-02 10:25:05,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-11-02 10:25:05,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 115. [2018-11-02 10:25:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-02 10:25:05,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 130 transitions. [2018-11-02 10:25:05,369 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 130 transitions. Word has length 22 [2018-11-02 10:25:05,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:05,369 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 130 transitions. [2018-11-02 10:25:05,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-02 10:25:05,369 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2018-11-02 10:25:05,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-02 10:25:05,370 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:05,370 INFO L375 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] [2018-11-02 10:25:05,371 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:05,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:05,371 INFO L82 PathProgramCache]: Analyzing trace with hash -63551428, now seen corresponding path program 1 times [2018-11-02 10:25:05,371 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:05,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:05,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:05,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:05,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:05,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:05,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-02 10:25:05,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-02 10:25:05,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-02 10:25:05,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:25:05,583 INFO L87 Difference]: Start difference. First operand 115 states and 130 transitions. Second operand 5 states. [2018-11-02 10:25:05,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:05,831 INFO L93 Difference]: Finished difference Result 134 states and 147 transitions. [2018-11-02 10:25:05,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-02 10:25:05,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-11-02 10:25:05,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:05,834 INFO L225 Difference]: With dead ends: 134 [2018-11-02 10:25:05,834 INFO L226 Difference]: Without dead ends: 134 [2018-11-02 10:25:05,834 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-02 10:25:05,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-02 10:25:05,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 115. [2018-11-02 10:25:05,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-02 10:25:05,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 128 transitions. [2018-11-02 10:25:05,839 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 128 transitions. Word has length 25 [2018-11-02 10:25:05,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:05,839 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 128 transitions. [2018-11-02 10:25:05,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-02 10:25:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2018-11-02 10:25:05,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-02 10:25:05,840 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:05,840 INFO L375 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] [2018-11-02 10:25:05,841 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:05,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:05,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1458177993, now seen corresponding path program 1 times [2018-11-02 10:25:05,841 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:05,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:05,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:05,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:05,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:05,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:05,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-02 10:25:05,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-02 10:25:05,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-02 10:25:05,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:25:05,910 INFO L87 Difference]: Start difference. First operand 115 states and 128 transitions. Second operand 5 states. [2018-11-02 10:25:06,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:06,231 INFO L93 Difference]: Finished difference Result 191 states and 213 transitions. [2018-11-02 10:25:06,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-02 10:25:06,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-11-02 10:25:06,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:06,234 INFO L225 Difference]: With dead ends: 191 [2018-11-02 10:25:06,235 INFO L226 Difference]: Without dead ends: 191 [2018-11-02 10:25:06,235 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-02 10:25:06,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-11-02 10:25:06,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 114. [2018-11-02 10:25:06,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-02 10:25:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 127 transitions. [2018-11-02 10:25:06,240 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 127 transitions. Word has length 29 [2018-11-02 10:25:06,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:06,241 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 127 transitions. [2018-11-02 10:25:06,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-02 10:25:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 127 transitions. [2018-11-02 10:25:06,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-02 10:25:06,242 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:06,242 INFO L375 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] [2018-11-02 10:25:06,242 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:06,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:06,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1458177992, now seen corresponding path program 1 times [2018-11-02 10:25:06,243 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:06,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:06,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:06,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:06,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:06,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:06,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:06,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-02 10:25:06,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-02 10:25:06,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-02 10:25:06,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:25:06,337 INFO L87 Difference]: Start difference. First operand 114 states and 127 transitions. Second operand 5 states. [2018-11-02 10:25:07,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:07,043 INFO L93 Difference]: Finished difference Result 200 states and 224 transitions. [2018-11-02 10:25:07,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-02 10:25:07,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-11-02 10:25:07,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:07,047 INFO L225 Difference]: With dead ends: 200 [2018-11-02 10:25:07,047 INFO L226 Difference]: Without dead ends: 200 [2018-11-02 10:25:07,048 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-02 10:25:07,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-11-02 10:25:07,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 113. [2018-11-02 10:25:07,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-02 10:25:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 126 transitions. [2018-11-02 10:25:07,052 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 126 transitions. Word has length 29 [2018-11-02 10:25:07,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:07,052 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 126 transitions. [2018-11-02 10:25:07,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-02 10:25:07,053 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 126 transitions. [2018-11-02 10:25:07,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-02 10:25:07,054 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:07,054 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:07,054 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:07,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:07,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1672653764, now seen corresponding path program 1 times [2018-11-02 10:25:07,055 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:07,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:07,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:07,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:07,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:07,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:07,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-02 10:25:07,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-02 10:25:07,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-02 10:25:07,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-02 10:25:07,124 INFO L87 Difference]: Start difference. First operand 113 states and 126 transitions. Second operand 3 states. [2018-11-02 10:25:07,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:07,174 INFO L93 Difference]: Finished difference Result 115 states and 126 transitions. [2018-11-02 10:25:07,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-02 10:25:07,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-02 10:25:07,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:07,177 INFO L225 Difference]: With dead ends: 115 [2018-11-02 10:25:07,177 INFO L226 Difference]: Without dead ends: 113 [2018-11-02 10:25:07,177 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-02 10:25:07,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-02 10:25:07,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-11-02 10:25:07,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-02 10:25:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 124 transitions. [2018-11-02 10:25:07,182 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 124 transitions. Word has length 32 [2018-11-02 10:25:07,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:07,182 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 124 transitions. [2018-11-02 10:25:07,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-02 10:25:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 124 transitions. [2018-11-02 10:25:07,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-02 10:25:07,188 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:07,188 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:07,189 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:07,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:07,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1415745695, now seen corresponding path program 1 times [2018-11-02 10:25:07,189 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:07,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:07,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:07,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:07,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:07,393 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:25:07,393 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/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 [2018-11-02 10:25:07,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:07,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:25:07,600 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 [2018-11-02 10:25:07,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:07,617 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,644 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,684 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 [2018-11-02 10:25:07,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:07,687 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,689 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,699 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:29, output treesize:18 [2018-11-02 10:25:07,731 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 [2018-11-02 10:25:07,738 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:07,741 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 16 treesize of output 23 [2018-11-02 10:25:07,743 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,754 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,802 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 [2018-11-02 10:25:07,805 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:07,805 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 16 treesize of output 23 [2018-11-02 10:25:07,806 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,815 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,826 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,827 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-11-02 10:25:07,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-02 10:25:07,955 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 16 treesize of output 3 [2018-11-02 10:25:07,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,959 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-02 10:25:07,987 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 16 treesize of output 3 [2018-11-02 10:25:07,988 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,993 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:07,998 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:7 [2018-11-02 10:25:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:08,034 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:25:08,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 11 [2018-11-02 10:25:08,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-02 10:25:08,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-02 10:25:08,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-11-02 10:25:08,037 INFO L87 Difference]: Start difference. First operand 113 states and 124 transitions. Second operand 11 states. [2018-11-02 10:25:08,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:08,819 INFO L93 Difference]: Finished difference Result 204 states and 219 transitions. [2018-11-02 10:25:08,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-02 10:25:08,821 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2018-11-02 10:25:08,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:08,823 INFO L225 Difference]: With dead ends: 204 [2018-11-02 10:25:08,823 INFO L226 Difference]: Without dead ends: 204 [2018-11-02 10:25:08,824 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2018-11-02 10:25:08,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-11-02 10:25:08,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 131. [2018-11-02 10:25:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-02 10:25:08,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 143 transitions. [2018-11-02 10:25:08,829 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 143 transitions. Word has length 34 [2018-11-02 10:25:08,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:08,829 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 143 transitions. [2018-11-02 10:25:08,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-02 10:25:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2018-11-02 10:25:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-02 10:25:08,831 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:08,831 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:08,831 INFO L424 AbstractCegarLoop]: === Iteration 14 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:08,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:08,832 INFO L82 PathProgramCache]: Analyzing trace with hash -319832781, now seen corresponding path program 1 times [2018-11-02 10:25:08,832 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:08,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:08,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:08,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:08,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:09,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:09,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-02 10:25:09,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-02 10:25:09,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-02 10:25:09,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-02 10:25:09,092 INFO L87 Difference]: Start difference. First operand 131 states and 143 transitions. Second operand 8 states. [2018-11-02 10:25:09,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:09,538 INFO L93 Difference]: Finished difference Result 168 states and 182 transitions. [2018-11-02 10:25:09,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-02 10:25:09,539 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2018-11-02 10:25:09,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:09,541 INFO L225 Difference]: With dead ends: 168 [2018-11-02 10:25:09,541 INFO L226 Difference]: Without dead ends: 154 [2018-11-02 10:25:09,542 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-11-02 10:25:09,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-02 10:25:09,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 145. [2018-11-02 10:25:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-02 10:25:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 159 transitions. [2018-11-02 10:25:09,547 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 159 transitions. Word has length 41 [2018-11-02 10:25:09,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:09,548 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 159 transitions. [2018-11-02 10:25:09,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-02 10:25:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 159 transitions. [2018-11-02 10:25:09,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-02 10:25:09,549 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:09,549 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:09,550 INFO L424 AbstractCegarLoop]: === Iteration 15 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:09,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:09,550 INFO L82 PathProgramCache]: Analyzing trace with hash -171640277, now seen corresponding path program 1 times [2018-11-02 10:25:09,550 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:09,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:09,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:09,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:09,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:09,992 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-11-02 10:25:10,226 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 12 [2018-11-02 10:25:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:10,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:10,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-02 10:25:10,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-02 10:25:10,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-02 10:25:10,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-02 10:25:10,289 INFO L87 Difference]: Start difference. First operand 145 states and 159 transitions. Second operand 8 states. [2018-11-02 10:25:10,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:10,632 INFO L93 Difference]: Finished difference Result 182 states and 198 transitions. [2018-11-02 10:25:10,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-02 10:25:10,634 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2018-11-02 10:25:10,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:10,635 INFO L225 Difference]: With dead ends: 182 [2018-11-02 10:25:10,636 INFO L226 Difference]: Without dead ends: 168 [2018-11-02 10:25:10,636 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-11-02 10:25:10,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-11-02 10:25:10,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 159. [2018-11-02 10:25:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-02 10:25:10,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 175 transitions. [2018-11-02 10:25:10,641 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 175 transitions. Word has length 41 [2018-11-02 10:25:10,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:10,642 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 175 transitions. [2018-11-02 10:25:10,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-02 10:25:10,642 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 175 transitions. [2018-11-02 10:25:10,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-02 10:25:10,643 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:10,643 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:10,645 INFO L424 AbstractCegarLoop]: === Iteration 16 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:10,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:10,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1224700818, now seen corresponding path program 1 times [2018-11-02 10:25:10,645 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:10,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:10,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:10,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:10,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:10,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:25:10,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-02 10:25:10,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-02 10:25:10,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-02 10:25:10,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-02 10:25:10,924 INFO L87 Difference]: Start difference. First operand 159 states and 175 transitions. Second operand 11 states. [2018-11-02 10:25:11,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:11,482 INFO L93 Difference]: Finished difference Result 211 states and 230 transitions. [2018-11-02 10:25:11,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-02 10:25:11,483 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 44 [2018-11-02 10:25:11,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:11,484 INFO L225 Difference]: With dead ends: 211 [2018-11-02 10:25:11,484 INFO L226 Difference]: Without dead ends: 201 [2018-11-02 10:25:11,485 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2018-11-02 10:25:11,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-11-02 10:25:11,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 144. [2018-11-02 10:25:11,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-02 10:25:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 159 transitions. [2018-11-02 10:25:11,489 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 159 transitions. Word has length 44 [2018-11-02 10:25:11,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:11,489 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 159 transitions. [2018-11-02 10:25:11,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-02 10:25:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 159 transitions. [2018-11-02 10:25:11,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-02 10:25:11,490 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:11,490 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1] [2018-11-02 10:25:11,491 INFO L424 AbstractCegarLoop]: === Iteration 17 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:11,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:11,491 INFO L82 PathProgramCache]: Analyzing trace with hash 672225036, now seen corresponding path program 1 times [2018-11-02 10:25:11,491 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:11,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:11,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:11,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:11,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:11,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:11,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:25:11,823 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/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 [2018-11-02 10:25:11,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:11,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:25:11,903 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:11,904 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:11,905 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 17 treesize of output 21 [2018-11-02 10:25:11,905 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:11,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:11,938 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-11-02 10:25:11,962 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 [2018-11-02 10:25:11,983 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 [2018-11-02 10:25:11,983 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:11,985 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:11,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:11,995 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-11-02 10:25:12,127 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:12,130 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-11-02 10:25:12,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:12,138 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:12,145 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:12,154 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:12,155 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:33 [2018-11-02 10:25:12,228 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 0 case distinctions, treesize of input 54 treesize of output 44 [2018-11-02 10:25:12,235 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:12,239 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 24 treesize of output 35 [2018-11-02 10:25:12,239 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:12,250 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:12,260 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. [2018-11-02 10:25:12,261 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:51 [2018-11-02 10:25:12,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2018-11-02 10:25:12,725 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:12,726 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 6 [2018-11-02 10:25:12,727 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:12,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 10 [2018-11-02 10:25:12,742 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:12,748 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:12,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:25:12,753 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:58, output treesize:15 [2018-11-02 10:25:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:12,896 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:25:12,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-11-02 10:25:12,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-02 10:25:12,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-02 10:25:12,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2018-11-02 10:25:12,897 INFO L87 Difference]: Start difference. First operand 144 states and 159 transitions. Second operand 22 states. [2018-11-02 10:25:13,204 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-02 10:25:14,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:14,246 INFO L93 Difference]: Finished difference Result 287 states and 312 transitions. [2018-11-02 10:25:14,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-02 10:25:14,247 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 47 [2018-11-02 10:25:14,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:14,250 INFO L225 Difference]: With dead ends: 287 [2018-11-02 10:25:14,250 INFO L226 Difference]: Without dead ends: 287 [2018-11-02 10:25:14,251 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=216, Invalid=776, Unknown=0, NotChecked=0, Total=992 [2018-11-02 10:25:14,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-11-02 10:25:14,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 198. [2018-11-02 10:25:14,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-11-02 10:25:14,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 222 transitions. [2018-11-02 10:25:14,258 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 222 transitions. Word has length 47 [2018-11-02 10:25:14,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:14,259 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 222 transitions. [2018-11-02 10:25:14,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-02 10:25:14,259 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 222 transitions. [2018-11-02 10:25:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-02 10:25:14,261 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:14,262 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1] [2018-11-02 10:25:14,262 INFO L424 AbstractCegarLoop]: === Iteration 18 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:14,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:14,262 INFO L82 PathProgramCache]: Analyzing trace with hash 672225037, now seen corresponding path program 1 times [2018-11-02 10:25:14,262 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:14,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:14,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:14,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:14,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:14,570 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:14,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:25:14,571 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/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 [2018-11-02 10:25:14,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:14,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:25:14,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:25:14,649 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,679 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:14,680 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:14,681 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 11 treesize of output 4 [2018-11-02 10:25:14,682 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,692 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-02 10:25:14,703 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 11 treesize of output 8 [2018-11-02 10:25:14,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:14,707 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,711 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,731 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 11 treesize of output 8 [2018-11-02 10:25:14,733 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 [2018-11-02 10:25:14,734 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,737 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,749 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2018-11-02 10:25:14,821 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:14,830 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-11-02 10:25:14,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:14,834 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,899 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-02 10:25:14,903 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 11 [2018-11-02 10:25:14,903 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,910 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:14,921 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:54, output treesize:46 [2018-11-02 10:25:15,044 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 0 case distinctions, treesize of input 86 treesize of output 76 [2018-11-02 10:25:15,083 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:15,108 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 24 treesize of output 35 [2018-11-02 10:25:15,109 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:15,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:15,568 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-11-02 10:25:15,595 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:15,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-02 10:25:15,618 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:15,744 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:15,931 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. [2018-11-02 10:25:15,932 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:93, output treesize:77 [2018-11-02 10:25:16,332 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-02 10:25:16,728 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-02 10:25:16,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 53 [2018-11-02 10:25:16,813 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:16,844 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 6 [2018-11-02 10:25:16,845 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:17,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 39 treesize of output 26 [2018-11-02 10:25:17,016 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:17,132 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:17,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-11-02 10:25:17,346 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 11 treesize of output 3 [2018-11-02 10:25:17,346 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:17,490 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:17,516 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 13 treesize of output 6 [2018-11-02 10:25:17,517 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:17,590 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:17,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:17,689 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:91, output treesize:9 [2018-11-02 10:25:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:17,983 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:25:17,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 16 [2018-11-02 10:25:17,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-02 10:25:17,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-02 10:25:17,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-11-02 10:25:17,984 INFO L87 Difference]: Start difference. First operand 198 states and 222 transitions. Second operand 17 states. [2018-11-02 10:25:19,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:19,451 INFO L93 Difference]: Finished difference Result 282 states and 306 transitions. [2018-11-02 10:25:19,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-02 10:25:19,456 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 47 [2018-11-02 10:25:19,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:19,459 INFO L225 Difference]: With dead ends: 282 [2018-11-02 10:25:19,459 INFO L226 Difference]: Without dead ends: 282 [2018-11-02 10:25:19,460 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 39 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2018-11-02 10:25:19,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-11-02 10:25:19,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 196. [2018-11-02 10:25:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-11-02 10:25:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 219 transitions. [2018-11-02 10:25:19,467 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 219 transitions. Word has length 47 [2018-11-02 10:25:19,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:19,467 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 219 transitions. [2018-11-02 10:25:19,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-02 10:25:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 219 transitions. [2018-11-02 10:25:19,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-02 10:25:19,470 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:19,470 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2018-11-02 10:25:19,472 INFO L424 AbstractCegarLoop]: === Iteration 19 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:19,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:19,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1002537132, now seen corresponding path program 1 times [2018-11-02 10:25:19,473 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:19,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:19,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:19,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:19,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:19,794 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-11-02 10:25:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:19,916 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:25:19,916 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/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 [2018-11-02 10:25:19,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:19,969 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:25:20,076 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:20,104 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:20,106 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 11 treesize of output 4 [2018-11-02 10:25:20,106 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,185 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,185 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-02 10:25:20,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-11-02 10:25:20,227 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 [2018-11-02 10:25:20,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,230 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,238 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-11-02 10:25:20,293 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-02 10:25:20,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:20,297 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,366 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,372 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,372 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-11-02 10:25:20,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:20,438 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:20,440 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 11 treesize of output 4 [2018-11-02 10:25:20,440 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,448 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,448 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-11-02 10:25:20,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-02 10:25:20,534 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:20,536 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 [2018-11-02 10:25:20,537 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,547 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,560 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,560 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:34 [2018-11-02 10:25:20,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 70 [2018-11-02 10:25:20,760 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 79 treesize of output 78 [2018-11-02 10:25:20,761 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:20,844 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:20,858 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 46 treesize of output 60 [2018-11-02 10:25:20,859 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:25:20,897 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:25:20,926 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 2 xjuncts. [2018-11-02 10:25:20,927 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:74, output treesize:103 [2018-11-02 10:25:21,178 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-11-02 10:25:21,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 52 [2018-11-02 10:25:21,382 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:21,384 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-11-02 10:25:21,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:21,414 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:21,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2018-11-02 10:25:21,426 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:25:21,464 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 24 treesize of output 19 [2018-11-02 10:25:21,464 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:21,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 10 [2018-11-02 10:25:21,497 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:21,525 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:21,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2018-11-02 10:25:21,557 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:21,558 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 13 treesize of output 6 [2018-11-02 10:25:21,558 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:21,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 10 [2018-11-02 10:25:21,638 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:21,646 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:21,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:21,664 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 9 variables, input treesize:117, output treesize:5 [2018-11-02 10:25:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:21,698 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:25:21,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 20 [2018-11-02 10:25:21,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-02 10:25:21,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-02 10:25:21,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-11-02 10:25:21,699 INFO L87 Difference]: Start difference. First operand 196 states and 219 transitions. Second operand 21 states. [2018-11-02 10:25:23,135 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-11-02 10:25:23,481 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2018-11-02 10:25:24,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:24,713 INFO L93 Difference]: Finished difference Result 302 states and 328 transitions. [2018-11-02 10:25:24,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-02 10:25:24,715 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 50 [2018-11-02 10:25:24,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:24,717 INFO L225 Difference]: With dead ends: 302 [2018-11-02 10:25:24,717 INFO L226 Difference]: Without dead ends: 302 [2018-11-02 10:25:24,718 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 41 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=270, Invalid=1212, Unknown=0, NotChecked=0, Total=1482 [2018-11-02 10:25:24,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2018-11-02 10:25:24,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 222. [2018-11-02 10:25:24,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-02 10:25:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 248 transitions. [2018-11-02 10:25:24,723 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 248 transitions. Word has length 50 [2018-11-02 10:25:24,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:24,723 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 248 transitions. [2018-11-02 10:25:24,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-02 10:25:24,723 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 248 transitions. [2018-11-02 10:25:24,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-02 10:25:24,727 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:24,727 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2018-11-02 10:25:24,728 INFO L424 AbstractCegarLoop]: === Iteration 20 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:24,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:24,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1002537131, now seen corresponding path program 1 times [2018-11-02 10:25:24,729 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:24,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:24,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:24,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:24,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:25,299 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:25,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:25:25,299 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:25:25,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:25,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:25:25,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:25,370 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:25,371 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 17 treesize of output 21 [2018-11-02 10:25:25,371 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,384 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-11-02 10:25:25,416 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 [2018-11-02 10:25:25,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:25,420 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,429 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,450 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 [2018-11-02 10:25:25,453 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 [2018-11-02 10:25:25,453 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,457 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,475 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-11-02 10:25:25,577 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:25,582 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-02 10:25:25,587 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 11 [2018-11-02 10:25:25,587 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,617 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:25,623 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-11-02 10:25:25,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:25,626 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,638 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,655 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,656 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:54 [2018-11-02 10:25:25,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:25,754 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 14 treesize of output 21 [2018-11-02 10:25:25,755 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,789 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:25,790 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:25,791 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:25,792 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 20 treesize of output 21 [2018-11-02 10:25:25,793 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:25,821 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:72, output treesize:68 [2018-11-02 10:25:25,884 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 32 treesize of output 38 [2018-11-02 10:25:25,891 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:25,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-02 10:25:25,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:26,060 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:26,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 71 treesize of output 70 [2018-11-02 10:25:26,477 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:26,479 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 16 treesize of output 23 [2018-11-02 10:25:26,480 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:26,500 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:26,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:26,527 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:94, output treesize:86 [2018-11-02 10:25:26,652 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 50 treesize of output 77 [2018-11-02 10:25:26,655 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 18 treesize of output 17 [2018-11-02 10:25:26,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:26,673 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:26,730 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 110 [2018-11-02 10:25:26,734 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 18 treesize of output 17 [2018-11-02 10:25:26,734 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:26,761 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:26,792 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:25:26,793 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:161, output treesize:133 [2018-11-02 10:25:27,011 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 130 treesize of output 85 [2018-11-02 10:25:27,020 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:27,023 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 29 [2018-11-02 10:25:27,023 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:25:27,053 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 5 treesize of output 1 [2018-11-02 10:25:27,053 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:27,076 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 36 treesize of output 23 [2018-11-02 10:25:27,076 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:27,097 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:25:27,126 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 29 treesize of output 33 [2018-11-02 10:25:27,130 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 5 treesize of output 1 [2018-11-02 10:25:27,130 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:27,142 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 11 treesize of output 3 [2018-11-02 10:25:27,143 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:27,150 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 5 treesize of output 1 [2018-11-02 10:25:27,150 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:27,152 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:27,166 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:25:27,167 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:147, output treesize:18 [2018-11-02 10:25:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:27,324 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:25:27,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 28 [2018-11-02 10:25:27,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-02 10:25:27,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-02 10:25:27,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2018-11-02 10:25:27,326 INFO L87 Difference]: Start difference. First operand 222 states and 248 transitions. Second operand 29 states. [2018-11-02 10:25:28,476 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 52 [2018-11-02 10:25:28,785 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 55 [2018-11-02 10:25:29,016 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2018-11-02 10:25:29,162 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2018-11-02 10:25:31,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:31,713 INFO L93 Difference]: Finished difference Result 358 states and 386 transitions. [2018-11-02 10:25:31,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-02 10:25:31,714 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 50 [2018-11-02 10:25:31,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:31,716 INFO L225 Difference]: With dead ends: 358 [2018-11-02 10:25:31,716 INFO L226 Difference]: Without dead ends: 358 [2018-11-02 10:25:31,718 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=445, Invalid=2417, Unknown=0, NotChecked=0, Total=2862 [2018-11-02 10:25:31,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-11-02 10:25:31,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 202. [2018-11-02 10:25:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-11-02 10:25:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 225 transitions. [2018-11-02 10:25:31,725 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 225 transitions. Word has length 50 [2018-11-02 10:25:31,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:31,725 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 225 transitions. [2018-11-02 10:25:31,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-02 10:25:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 225 transitions. [2018-11-02 10:25:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-02 10:25:31,726 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:31,726 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:31,726 INFO L424 AbstractCegarLoop]: === Iteration 21 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:31,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:31,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1409093848, now seen corresponding path program 1 times [2018-11-02 10:25:31,727 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:31,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:31,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:31,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:31,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:32,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:25:32,016 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:25:32,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:32,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:25:32,112 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:32,138 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:32,139 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 11 treesize of output 4 [2018-11-02 10:25:32,139 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,153 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,153 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-11-02 10:25:32,175 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 11 treesize of output 8 [2018-11-02 10:25:32,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-02 10:25:32,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,198 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-11-02 10:25:32,248 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:32,251 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-11-02 10:25:32,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:32,254 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,284 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:27 [2018-11-02 10:25:32,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2018-11-02 10:25:32,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:32,351 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 24 treesize of output 35 [2018-11-02 10:25:32,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,360 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,368 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. [2018-11-02 10:25:32,368 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-11-02 10:25:32,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2018-11-02 10:25:32,497 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:32,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:32,501 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 15 treesize of output 13 [2018-11-02 10:25:32,501 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,507 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 18 treesize of output 9 [2018-11-02 10:25:32,507 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,517 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:32,520 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:52, output treesize:9 [2018-11-02 10:25:32,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:32,581 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:25:32,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 19 [2018-11-02 10:25:32,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-02 10:25:32,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-02 10:25:32,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-02 10:25:32,583 INFO L87 Difference]: Start difference. First operand 202 states and 225 transitions. Second operand 19 states. [2018-11-02 10:25:33,591 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2018-11-02 10:25:34,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:34,024 INFO L93 Difference]: Finished difference Result 313 states and 338 transitions. [2018-11-02 10:25:34,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-02 10:25:34,025 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 54 [2018-11-02 10:25:34,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:34,028 INFO L225 Difference]: With dead ends: 313 [2018-11-02 10:25:34,028 INFO L226 Difference]: Without dead ends: 313 [2018-11-02 10:25:34,029 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=182, Invalid=810, Unknown=0, NotChecked=0, Total=992 [2018-11-02 10:25:34,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-11-02 10:25:34,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 218. [2018-11-02 10:25:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-02 10:25:34,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 242 transitions. [2018-11-02 10:25:34,042 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 242 transitions. Word has length 54 [2018-11-02 10:25:34,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:34,042 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 242 transitions. [2018-11-02 10:25:34,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-02 10:25:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 242 transitions. [2018-11-02 10:25:34,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-02 10:25:34,045 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:34,046 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:25:34,046 INFO L424 AbstractCegarLoop]: === Iteration 22 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:34,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:34,046 INFO L82 PathProgramCache]: Analyzing trace with hash -645044768, now seen corresponding path program 1 times [2018-11-02 10:25:34,046 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:34,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:34,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:34,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:34,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:34,393 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-11-02 10:25:34,578 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:34,579 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:25:34,579 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:25:34,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:34,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:25:34,661 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:34,662 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:34,662 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 11 treesize of output 4 [2018-11-02 10:25:34,663 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:34,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:34,668 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-11-02 10:25:34,681 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 11 treesize of output 8 [2018-11-02 10:25:34,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-02 10:25:34,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:34,688 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:34,697 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:34,699 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:28 [2018-11-02 10:25:35,242 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-02 10:25:35,292 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:35,295 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-11-02 10:25:35,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:35,298 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:35,308 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:35,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:35,318 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:32 [2018-11-02 10:25:35,346 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:35,348 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:35,348 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 11 treesize of output 4 [2018-11-02 10:25:35,348 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:35,357 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:35,358 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:31 [2018-11-02 10:25:35,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-02 10:25:35,392 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:35,393 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 [2018-11-02 10:25:35,393 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:35,403 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:35,416 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:35,416 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:37 [2018-11-02 10:25:35,502 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 69 [2018-11-02 10:25:35,507 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 78 treesize of output 77 [2018-11-02 10:25:35,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:35,586 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:35,589 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:35,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 68 [2018-11-02 10:25:35,597 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:25:35,635 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:25:35,663 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 2 xjuncts. [2018-11-02 10:25:35,664 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:73, output treesize:101 [2018-11-02 10:25:36,318 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-11-02 10:25:36,389 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 1 case distinctions, treesize of input 66 treesize of output 51 [2018-11-02 10:25:36,393 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 36 treesize of output 27 [2018-11-02 10:25:36,393 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:36,418 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:36,420 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2018-11-02 10:25:36,421 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:36,483 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 23 treesize of output 18 [2018-11-02 10:25:36,483 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:36,501 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 18 treesize of output 9 [2018-11-02 10:25:36,501 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:36,514 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:36,525 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:36,525 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:115, output treesize:9 [2018-11-02 10:25:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:36,598 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:25:36,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 25 [2018-11-02 10:25:36,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-02 10:25:36,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-02 10:25:36,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2018-11-02 10:25:36,599 INFO L87 Difference]: Start difference. First operand 218 states and 242 transitions. Second operand 25 states. [2018-11-02 10:25:38,956 WARN L179 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-11-02 10:25:41,250 WARN L179 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-11-02 10:25:41,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:41,505 INFO L93 Difference]: Finished difference Result 304 states and 328 transitions. [2018-11-02 10:25:41,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-02 10:25:41,508 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 57 [2018-11-02 10:25:41,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:41,510 INFO L225 Difference]: With dead ends: 304 [2018-11-02 10:25:41,510 INFO L226 Difference]: Without dead ends: 304 [2018-11-02 10:25:41,511 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=300, Invalid=1422, Unknown=0, NotChecked=0, Total=1722 [2018-11-02 10:25:41,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2018-11-02 10:25:41,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 200. [2018-11-02 10:25:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-11-02 10:25:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 222 transitions. [2018-11-02 10:25:41,515 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 222 transitions. Word has length 57 [2018-11-02 10:25:41,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:41,515 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 222 transitions. [2018-11-02 10:25:41,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-02 10:25:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 222 transitions. [2018-11-02 10:25:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-02 10:25:41,516 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:41,516 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 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] [2018-11-02 10:25:41,517 INFO L424 AbstractCegarLoop]: === Iteration 23 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:41,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:41,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1046847584, now seen corresponding path program 2 times [2018-11-02 10:25:41,517 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:41,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:41,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:41,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:41,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:41,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:25:41,958 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:25:41,975 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-02 10:25:42,024 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-02 10:25:42,024 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-02 10:25:42,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:25:42,244 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 [2018-11-02 10:25:42,268 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 [2018-11-02 10:25:42,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,274 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,284 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,284 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-11-02 10:25:42,341 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:42,343 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:42,344 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 11 treesize of output 4 [2018-11-02 10:25:42,344 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,348 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-11-02 10:25:42,374 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 [2018-11-02 10:25:42,376 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 [2018-11-02 10:25:42,377 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,378 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,385 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2018-11-02 10:25:42,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-02 10:25:42,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 12 treesize of output 4 [2018-11-02 10:25:42,416 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,422 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,427 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,428 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-11-02 10:25:42,485 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-11-02 10:25:42,487 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 [2018-11-02 10:25:42,488 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:25:42,500 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:26 [2018-11-02 10:25:42,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-11-02 10:25:42,611 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 11 treesize of output 3 [2018-11-02 10:25:42,611 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,616 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 [2018-11-02 10:25:42,616 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,619 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:42,622 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:28, output treesize:3 [2018-11-02 10:25:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-02 10:25:42,689 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:25:42,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 27 [2018-11-02 10:25:42,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-02 10:25:42,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-02 10:25:42,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2018-11-02 10:25:42,690 INFO L87 Difference]: Start difference. First operand 200 states and 222 transitions. Second operand 27 states. [2018-11-02 10:25:44,260 WARN L179 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2018-11-02 10:25:46,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:46,582 INFO L93 Difference]: Finished difference Result 375 states and 400 transitions. [2018-11-02 10:25:46,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-11-02 10:25:46,583 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 59 [2018-11-02 10:25:46,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:46,585 INFO L225 Difference]: With dead ends: 375 [2018-11-02 10:25:46,585 INFO L226 Difference]: Without dead ends: 258 [2018-11-02 10:25:46,587 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1219 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=909, Invalid=4791, Unknown=0, NotChecked=0, Total=5700 [2018-11-02 10:25:46,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-11-02 10:25:46,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 203. [2018-11-02 10:25:46,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-11-02 10:25:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 221 transitions. [2018-11-02 10:25:46,591 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 221 transitions. Word has length 59 [2018-11-02 10:25:46,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:46,591 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 221 transitions. [2018-11-02 10:25:46,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-02 10:25:46,595 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 221 transitions. [2018-11-02 10:25:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-02 10:25:46,595 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:46,596 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-02 10:25:46,596 INFO L424 AbstractCegarLoop]: === Iteration 24 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:46,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:46,596 INFO L82 PathProgramCache]: Analyzing trace with hash 316906057, now seen corresponding path program 1 times [2018-11-02 10:25:46,596 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:46,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:46,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:46,597 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-02 10:25:46,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:46,983 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-11-02 10:25:47,222 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-11-02 10:25:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:47,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:25:47,558 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:25:47,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:47,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:25:47,620 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:47,622 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:47,622 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 11 treesize of output 4 [2018-11-02 10:25:47,623 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,628 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-02 10:25:47,641 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 [2018-11-02 10:25:47,643 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 [2018-11-02 10:25:47,644 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,646 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,657 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-11-02 10:25:47,733 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-02 10:25:47,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:47,742 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,749 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,758 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-11-02 10:25:47,789 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-02 10:25:47,795 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:47,797 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 [2018-11-02 10:25:47,798 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,808 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,820 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2018-11-02 10:25:47,900 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:47,919 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:47,920 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 11 treesize of output 4 [2018-11-02 10:25:47,920 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,930 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,930 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:32 [2018-11-02 10:25:47,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 32 [2018-11-02 10:25:47,966 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:47,972 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 21 treesize of output 23 [2018-11-02 10:25:47,973 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,982 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,996 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:47,996 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:48, output treesize:34 [2018-11-02 10:25:48,366 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:48,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 76 [2018-11-02 10:25:48,400 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 78 treesize of output 77 [2018-11-02 10:25:48,400 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:48,463 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:48,467 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:25:48,487 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 47 treesize of output 72 [2018-11-02 10:25:48,488 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-11-02 10:25:48,563 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:25:48,612 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 3 xjuncts. [2018-11-02 10:25:48,612 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:69, output treesize:156 [2018-11-02 10:25:48,745 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 0 case distinctions, treesize of input 71 treesize of output 55 [2018-11-02 10:25:48,748 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:48,749 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:48,751 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:48,753 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 35 treesize of output 66 [2018-11-02 10:25:48,754 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:48,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:48,875 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:25:48,876 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 0 case distinctions, treesize of input 71 treesize of output 55 [2018-11-02 10:25:48,881 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:48,883 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 35 treesize of output 35 [2018-11-02 10:25:48,883 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:48,891 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:48,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 81 [2018-11-02 10:25:48,980 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:48,981 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:48,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 90 [2018-11-02 10:25:48,993 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:49,044 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:49,046 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 78 treesize of output 93 [2018-11-02 10:25:49,046 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:49,070 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:49,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-11-02 10:25:49,159 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:242, output treesize:197 [2018-11-02 10:25:51,263 WARN L179 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2018-11-02 10:25:52,029 WARN L179 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-02 10:25:52,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 61 [2018-11-02 10:25:52,090 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:52,091 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:52,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 56 [2018-11-02 10:25:52,092 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:52,127 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:52,129 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2018-11-02 10:25:52,130 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:52,156 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:52,160 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:52,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 72 [2018-11-02 10:25:52,186 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 8 xjuncts. [2018-11-02 10:25:52,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 13 [2018-11-02 10:25:52,265 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:52,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 29 treesize of output 20 [2018-11-02 10:25:52,269 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:52,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 10 [2018-11-02 10:25:52,313 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:52,331 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:52,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2018-11-02 10:25:52,366 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:52,368 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 6 [2018-11-02 10:25:52,368 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:52,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 10 [2018-11-02 10:25:52,380 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:52,389 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:52,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:52,408 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 9 variables, input treesize:148, output treesize:5 [2018-11-02 10:25:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:52,451 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:25:52,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18] total 24 [2018-11-02 10:25:52,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-02 10:25:52,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-02 10:25:52,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=522, Unknown=2, NotChecked=0, Total=600 [2018-11-02 10:25:52,452 INFO L87 Difference]: Start difference. First operand 203 states and 221 transitions. Second operand 25 states. [2018-11-02 10:25:53,444 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2018-11-02 10:25:55,014 WARN L179 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2018-11-02 10:25:55,342 WARN L179 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 54 [2018-11-02 10:25:55,879 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2018-11-02 10:25:56,881 WARN L179 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-11-02 10:25:56,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:25:56,912 INFO L93 Difference]: Finished difference Result 321 states and 346 transitions. [2018-11-02 10:25:56,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-02 10:25:56,914 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 60 [2018-11-02 10:25:56,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:25:56,917 INFO L225 Difference]: With dead ends: 321 [2018-11-02 10:25:56,917 INFO L226 Difference]: Without dead ends: 321 [2018-11-02 10:25:56,918 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 50 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=317, Invalid=1748, Unknown=5, NotChecked=0, Total=2070 [2018-11-02 10:25:56,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-11-02 10:25:56,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 248. [2018-11-02 10:25:56,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-11-02 10:25:56,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 273 transitions. [2018-11-02 10:25:56,923 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 273 transitions. Word has length 60 [2018-11-02 10:25:56,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:25:56,923 INFO L481 AbstractCegarLoop]: Abstraction has 248 states and 273 transitions. [2018-11-02 10:25:56,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-02 10:25:56,923 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 273 transitions. [2018-11-02 10:25:56,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-02 10:25:56,924 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:25:56,924 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-02 10:25:56,930 INFO L424 AbstractCegarLoop]: === Iteration 25 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:25:56,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:25:56,930 INFO L82 PathProgramCache]: Analyzing trace with hash 316906058, now seen corresponding path program 1 times [2018-11-02 10:25:56,930 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:25:56,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:25:56,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:56,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:56,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:25:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:57,396 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:25:57,396 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:25:57,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:25:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:25:57,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:25:57,462 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:57,464 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:57,464 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 17 treesize of output 21 [2018-11-02 10:25:57,465 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,481 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-11-02 10:25:57,515 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 [2018-11-02 10:25:57,517 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 [2018-11-02 10:25:57,518 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,522 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-02 10:25:57,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:57,546 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,549 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,570 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-11-02 10:25:57,773 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:57,777 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-11-02 10:25:57,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:57,780 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,791 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,816 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-02 10:25:57,819 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 11 [2018-11-02 10:25:57,819 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,824 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,840 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,841 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:54 [2018-11-02 10:25:57,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 42 [2018-11-02 10:25:57,942 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:57,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-02 10:25:57,944 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,958 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:57,991 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2018-11-02 10:25:57,997 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:57,998 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 [2018-11-02 10:25:57,999 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,013 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,038 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:87, output treesize:83 [2018-11-02 10:25:58,123 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:58,124 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:58,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:58,126 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 20 treesize of output 21 [2018-11-02 10:25:58,126 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,160 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 14 treesize of output 21 [2018-11-02 10:25:58,161 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,191 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,191 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:94, output treesize:86 [2018-11-02 10:25:58,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2018-11-02 10:25:58,265 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:58,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 21 treesize of output 23 [2018-11-02 10:25:58,269 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,287 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,340 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 43 treesize of output 43 [2018-11-02 10:25:58,344 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:58,349 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 0 case distinctions, treesize of input 25 treesize of output 31 [2018-11-02 10:25:58,349 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,360 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,386 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,386 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:108, output treesize:80 [2018-11-02 10:25:58,547 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:58,548 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:58,561 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 113 treesize of output 109 [2018-11-02 10:25:58,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:25:58,566 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,593 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,628 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:58,637 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 32 treesize of output 57 [2018-11-02 10:25:58,641 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 16 treesize of output 15 [2018-11-02 10:25:58,641 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,653 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,685 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. [2018-11-02 10:25:58,685 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:134, output treesize:126 [2018-11-02 10:25:58,770 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 140 [2018-11-02 10:25:58,800 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:58,803 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 32 treesize of output 47 [2018-11-02 10:25:58,803 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,839 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,892 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 65 treesize of output 80 [2018-11-02 10:25:58,896 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:58,897 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 24 treesize of output 39 [2018-11-02 10:25:58,898 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,912 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:58,945 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:25:58,946 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:197, output treesize:173 [2018-11-02 10:25:59,403 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 170 treesize of output 101 [2018-11-02 10:25:59,410 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:59,412 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 6 [2018-11-02 10:25:59,412 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:59,463 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 49 treesize of output 50 [2018-11-02 10:25:59,464 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:59,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 56 [2018-11-02 10:25:59,492 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:25:59,510 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:25:59,543 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 40 treesize of output 42 [2018-11-02 10:25:59,546 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 [2018-11-02 10:25:59,546 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:59,562 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 11 treesize of output 3 [2018-11-02 10:25:59,562 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:59,573 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:25:59,576 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 13 treesize of output 6 [2018-11-02 10:25:59,577 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:25:59,583 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:25:59,598 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:25:59,599 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:187, output treesize:18 [2018-11-02 10:25:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:25:59,730 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:25:59,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 32 [2018-11-02 10:25:59,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-02 10:25:59,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-02 10:25:59,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2018-11-02 10:25:59,731 INFO L87 Difference]: Start difference. First operand 248 states and 273 transitions. Second operand 33 states. [2018-11-02 10:26:04,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:26:04,827 INFO L93 Difference]: Finished difference Result 363 states and 389 transitions. [2018-11-02 10:26:04,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-02 10:26:04,829 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 60 [2018-11-02 10:26:04,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:26:04,831 INFO L225 Difference]: With dead ends: 363 [2018-11-02 10:26:04,831 INFO L226 Difference]: Without dead ends: 363 [2018-11-02 10:26:04,832 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 45 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=392, Invalid=2914, Unknown=0, NotChecked=0, Total=3306 [2018-11-02 10:26:04,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-11-02 10:26:04,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 246. [2018-11-02 10:26:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-02 10:26:04,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 270 transitions. [2018-11-02 10:26:04,840 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 270 transitions. Word has length 60 [2018-11-02 10:26:04,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:26:04,840 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 270 transitions. [2018-11-02 10:26:04,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-02 10:26:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 270 transitions. [2018-11-02 10:26:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-02 10:26:04,841 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:26:04,841 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 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] [2018-11-02 10:26:04,841 INFO L424 AbstractCegarLoop]: === Iteration 26 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:26:04,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:26:04,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1954917040, now seen corresponding path program 1 times [2018-11-02 10:26:04,848 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:26:04,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:26:04,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:04,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:04,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:05,234 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:26:05,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:26:05,235 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:26:05,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:05,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:26:05,339 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:05,340 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:05,341 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 17 treesize of output 21 [2018-11-02 10:26:05,341 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,359 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,360 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-11-02 10:26:05,393 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 [2018-11-02 10:26:05,396 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 [2018-11-02 10:26:05,396 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,400 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,419 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 [2018-11-02 10:26:05,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:26:05,423 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,427 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,442 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-11-02 10:26:05,589 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:05,645 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2018-11-02 10:26:05,648 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 15 [2018-11-02 10:26:05,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,657 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,682 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:05,688 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2018-11-02 10:26:05,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 11 [2018-11-02 10:26:05,691 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,704 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,723 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,723 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:69, output treesize:66 [2018-11-02 10:26:05,775 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:05,776 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:05,778 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:05,779 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 20 treesize of output 21 [2018-11-02 10:26:05,780 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,800 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:64 [2018-11-02 10:26:05,867 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 54 treesize of output 60 [2018-11-02 10:26:05,872 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:05,875 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 24 treesize of output 39 [2018-11-02 10:26:05,875 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,892 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 68 treesize of output 67 [2018-11-02 10:26:05,927 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:05,934 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 20 treesize of output 31 [2018-11-02 10:26:05,934 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,952 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,976 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:05,976 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:76 [2018-11-02 10:26:06,078 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 156 treesize of output 150 [2018-11-02 10:26:06,081 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 22 treesize of output 21 [2018-11-02 10:26:06,082 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:06,104 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:06,140 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 112 [2018-11-02 10:26:06,144 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 22 treesize of output 21 [2018-11-02 10:26:06,144 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:06,162 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:06,183 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. [2018-11-02 10:26:06,184 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:164, output treesize:128 [2018-11-02 10:26:06,914 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 113 [2018-11-02 10:26:06,933 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 5 treesize of output 1 [2018-11-02 10:26:06,933 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:07,013 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:07,016 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 46 [2018-11-02 10:26:07,017 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:07,184 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-11-02 10:26:07,185 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:07,199 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:07,219 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 44 treesize of output 42 [2018-11-02 10:26:07,237 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 15 treesize of output 11 [2018-11-02 10:26:07,237 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:07,251 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 5 treesize of output 1 [2018-11-02 10:26:07,251 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:07,258 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 16 treesize of output 7 [2018-11-02 10:26:07,258 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:07,263 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:07,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:07,272 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:158, output treesize:7 [2018-11-02 10:26:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:26:07,350 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:26:07,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 30 [2018-11-02 10:26:07,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-11-02 10:26:07,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-11-02 10:26:07,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=770, Unknown=1, NotChecked=0, Total=870 [2018-11-02 10:26:07,352 INFO L87 Difference]: Start difference. First operand 246 states and 270 transitions. Second operand 30 states. [2018-11-02 10:26:08,164 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-11-02 10:26:08,598 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 53 [2018-11-02 10:26:11,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:26:11,111 INFO L93 Difference]: Finished difference Result 328 states and 353 transitions. [2018-11-02 10:26:11,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-02 10:26:11,113 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 62 [2018-11-02 10:26:11,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:26:11,115 INFO L225 Difference]: With dead ends: 328 [2018-11-02 10:26:11,115 INFO L226 Difference]: Without dead ends: 328 [2018-11-02 10:26:11,117 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 49 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=387, Invalid=2581, Unknown=2, NotChecked=0, Total=2970 [2018-11-02 10:26:11,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-11-02 10:26:11,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 233. [2018-11-02 10:26:11,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-11-02 10:26:11,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 257 transitions. [2018-11-02 10:26:11,121 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 257 transitions. Word has length 62 [2018-11-02 10:26:11,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:26:11,122 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 257 transitions. [2018-11-02 10:26:11,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-11-02 10:26:11,122 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 257 transitions. [2018-11-02 10:26:11,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-02 10:26:11,125 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:26:11,125 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 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, 1, 1] [2018-11-02 10:26:11,125 INFO L424 AbstractCegarLoop]: === Iteration 27 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:26:11,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:26:11,126 INFO L82 PathProgramCache]: Analyzing trace with hash 922093561, now seen corresponding path program 1 times [2018-11-02 10:26:11,126 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:26:11,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:26:11,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:11,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:11,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:26:11,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:26:11,935 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:26:11,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:11,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:26:12,028 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:12,031 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:12,032 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 11 treesize of output 4 [2018-11-02 10:26:12,032 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,039 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,039 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-02 10:26:12,068 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 [2018-11-02 10:26:12,071 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 [2018-11-02 10:26:12,071 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,075 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,084 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-11-02 10:26:12,161 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:12,167 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-02 10:26:12,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:26:12,171 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,190 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:24 [2018-11-02 10:26:12,221 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:12,222 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:12,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 17 treesize of output 21 [2018-11-02 10:26:12,223 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,237 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:33 [2018-11-02 10:26:12,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-02 10:26:12,281 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:12,283 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 [2018-11-02 10:26:12,283 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,430 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:12,618 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:45 [2018-11-02 10:26:12,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 66 [2018-11-02 10:26:12,962 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:12,986 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 53 treesize of output 51 [2018-11-02 10:26:12,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-02 10:26:13,070 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 50 treesize of output 49 [2018-11-02 10:26:13,071 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:13,116 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:26:13,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:26:13,150 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:68, output treesize:97 [2018-11-02 10:26:13,232 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:13,234 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:13,235 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:13,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 56 [2018-11-02 10:26:13,237 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:13,276 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:13,278 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:13,281 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:13,282 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 43 treesize of output 36 [2018-11-02 10:26:13,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:13,318 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 2 xjuncts. [2018-11-02 10:26:13,318 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:107, output treesize:93 [2018-11-02 10:26:13,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2018-11-02 10:26:13,391 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:13,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 21 treesize of output 23 [2018-11-02 10:26:13,395 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:13,411 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:13,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 79 [2018-11-02 10:26:13,489 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:13,579 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:13,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 77 [2018-11-02 10:26:13,583 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:13,664 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:13,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 64 [2018-11-02 10:26:13,685 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-02 10:26:13,757 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:26:13,823 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 3 xjuncts. [2018-11-02 10:26:13,824 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:125, output treesize:153 [2018-11-02 10:26:14,192 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:14,193 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:14,201 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 81 treesize of output 81 [2018-11-02 10:26:14,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:26:14,205 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:14,222 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:14,292 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:14,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 105 treesize of output 105 [2018-11-02 10:26:14,330 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 128 treesize of output 127 [2018-11-02 10:26:14,331 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:14,454 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 75 [2018-11-02 10:26:14,456 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-02 10:26:14,566 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-02 10:26:14,683 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:14,684 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:14,694 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 91 treesize of output 87 [2018-11-02 10:26:14,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:26:14,698 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:14,719 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:14,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 7 dim-0 vars, and 5 xjuncts. [2018-11-02 10:26:14,851 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:278, output treesize:355 [2018-11-02 10:26:15,290 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-11-02 10:26:15,314 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:15,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 78 [2018-11-02 10:26:15,319 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:15,322 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 54 [2018-11-02 10:26:15,323 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:15,336 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:15,511 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 80 [2018-11-02 10:26:15,515 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:15,517 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 32 treesize of output 47 [2018-11-02 10:26:15,517 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:15,532 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:15,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 102 [2018-11-02 10:26:15,729 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:15,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 145 [2018-11-02 10:26:15,732 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:15,819 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:15,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 98 [2018-11-02 10:26:15,842 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:26:15,917 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:26:16,100 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 90 treesize of output 74 [2018-11-02 10:26:16,104 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:16,105 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:16,106 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:16,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 66 [2018-11-02 10:26:16,109 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:16,130 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:16,277 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:16,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 98 [2018-11-02 10:26:16,288 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:16,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 47 [2018-11-02 10:26:16,290 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:16,307 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:16,435 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 5 dim-2 vars, End of recursive call: 16 dim-0 vars, and 6 xjuncts. [2018-11-02 10:26:16,435 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 17 variables, input treesize:561, output treesize:553 [2018-11-02 10:26:16,760 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 97 [2018-11-02 10:26:17,005 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-11-02 10:26:17,043 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 72 treesize of output 48 [2018-11-02 10:26:17,062 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 34 treesize of output 33 [2018-11-02 10:26:17,063 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:17,097 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:17,100 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 38 treesize of output 20 [2018-11-02 10:26:17,101 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:17,114 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 5 treesize of output 1 [2018-11-02 10:26:17,114 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:17,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:17,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 90 [2018-11-02 10:26:17,232 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:17,234 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 76 treesize of output 68 [2018-11-02 10:26:17,234 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:17,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 62 treesize of output 53 [2018-11-02 10:26:17,331 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:17,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 80 [2018-11-02 10:26:17,438 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 3 xjuncts. [2018-11-02 10:26:17,594 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:17,597 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2018-11-02 10:26:17,597 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:17,601 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:17,602 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 53 treesize of output 39 [2018-11-02 10:26:17,602 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:17,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45 [2018-11-02 10:26:17,606 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:17,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2018-11-02 10:26:17,722 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:17,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 62 treesize of output 53 [2018-11-02 10:26:17,824 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:17,967 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 70 treesize of output 65 [2018-11-02 10:26:17,968 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,103 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 15 treesize of output 10 [2018-11-02 10:26:18,103 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,151 INFO L267 ElimStorePlain]: Start of recursive call 6: 12 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,218 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 106 treesize of output 59 [2018-11-02 10:26:18,222 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:18,224 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 6 [2018-11-02 10:26:18,224 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,241 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 27 treesize of output 16 [2018-11-02 10:26:18,242 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,255 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:18,258 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2018-11-02 10:26:18,258 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,264 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,311 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 110 treesize of output 61 [2018-11-02 10:26:18,315 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 36 treesize of output 35 [2018-11-02 10:26:18,316 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,332 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:18,335 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 6 [2018-11-02 10:26:18,335 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 24 [2018-11-02 10:26:18,351 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,358 INFO L267 ElimStorePlain]: Start of recursive call 21: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,382 INFO L267 ElimStorePlain]: Start of recursive call 1: 18 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:18,382 INFO L202 ElimStorePlain]: Needed 24 recursive calls to eliminate 22 variables, input treesize:419, output treesize:5 [2018-11-02 10:26:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:26:18,492 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:26:18,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 42 [2018-11-02 10:26:18,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-11-02 10:26:18,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-11-02 10:26:18,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1632, Unknown=5, NotChecked=0, Total=1806 [2018-11-02 10:26:18,494 INFO L87 Difference]: Start difference. First operand 233 states and 257 transitions. Second operand 43 states. [2018-11-02 10:26:20,031 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2018-11-02 10:26:20,476 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 51 [2018-11-02 10:26:20,654 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2018-11-02 10:26:21,173 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2018-11-02 10:26:21,405 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2018-11-02 10:26:21,728 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2018-11-02 10:26:22,026 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2018-11-02 10:26:22,398 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2018-11-02 10:26:22,831 WARN L179 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2018-11-02 10:26:23,174 WARN L179 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2018-11-02 10:26:24,357 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2018-11-02 10:26:25,077 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 106 [2018-11-02 10:26:25,651 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-02 10:26:26,617 WARN L179 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 109 [2018-11-02 10:26:26,858 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-11-02 10:26:27,442 WARN L179 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2018-11-02 10:26:29,348 WARN L179 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2018-11-02 10:26:29,697 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2018-11-02 10:26:30,234 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2018-11-02 10:26:30,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:26:30,324 INFO L93 Difference]: Finished difference Result 393 states and 424 transitions. [2018-11-02 10:26:30,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-11-02 10:26:30,325 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 63 [2018-11-02 10:26:30,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:26:30,328 INFO L225 Difference]: With dead ends: 393 [2018-11-02 10:26:30,328 INFO L226 Difference]: Without dead ends: 393 [2018-11-02 10:26:30,331 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2568 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=1342, Invalid=6961, Unknown=69, NotChecked=0, Total=8372 [2018-11-02 10:26:30,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-11-02 10:26:30,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 271. [2018-11-02 10:26:30,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-11-02 10:26:30,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 300 transitions. [2018-11-02 10:26:30,340 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 300 transitions. Word has length 63 [2018-11-02 10:26:30,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:26:30,341 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 300 transitions. [2018-11-02 10:26:30,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-11-02 10:26:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 300 transitions. [2018-11-02 10:26:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-02 10:26:30,346 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:26:30,346 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 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, 1, 1] [2018-11-02 10:26:30,349 INFO L424 AbstractCegarLoop]: === Iteration 28 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:26:30,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:26:30,349 INFO L82 PathProgramCache]: Analyzing trace with hash 922093562, now seen corresponding path program 1 times [2018-11-02 10:26:30,349 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:26:30,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:26:30,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:30,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:30,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:26:31,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:26:31,295 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:26:31,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:31,347 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:26:31,411 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:31,413 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:31,414 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 17 treesize of output 21 [2018-11-02 10:26:31,414 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,425 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,426 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-11-02 10:26:31,461 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 [2018-11-02 10:26:31,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:26:31,464 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,468 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,484 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 [2018-11-02 10:26:31,487 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 [2018-11-02 10:26:31,488 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,491 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,502 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-11-02 10:26:31,605 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:31,610 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-02 10:26:31,632 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 11 [2018-11-02 10:26:31,632 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,721 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,742 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:31,747 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-11-02 10:26:31,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:26:31,750 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,759 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,776 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:54 [2018-11-02 10:26:31,876 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:31,878 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 14 treesize of output 21 [2018-11-02 10:26:31,879 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,908 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:31,911 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:31,912 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:31,913 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 26 treesize of output 46 [2018-11-02 10:26:31,913 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:31,948 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:87 [2018-11-02 10:26:32,059 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 32 treesize of output 38 [2018-11-02 10:26:32,074 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:32,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-02 10:26:32,079 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,092 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 80 treesize of output 79 [2018-11-02 10:26:32,146 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:32,147 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 16 treesize of output 23 [2018-11-02 10:26:32,148 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,168 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,204 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:118, output treesize:111 [2018-11-02 10:26:32,401 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 42 treesize of output 65 [2018-11-02 10:26:32,405 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 14 treesize of output 13 [2018-11-02 10:26:32,406 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,419 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,472 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 128 treesize of output 136 [2018-11-02 10:26:32,476 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 14 treesize of output 13 [2018-11-02 10:26:32,476 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,505 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,545 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. [2018-11-02 10:26:32,545 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:157, output treesize:133 [2018-11-02 10:26:32,642 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:32,643 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:32,644 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:32,646 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:32,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 55 [2018-11-02 10:26:32,647 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 60 [2018-11-02 10:26:32,698 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,742 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. [2018-11-02 10:26:32,742 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:144, output treesize:135 [2018-11-02 10:26:32,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 113 [2018-11-02 10:26:32,852 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:32,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 81 [2018-11-02 10:26:32,856 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,886 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 69 [2018-11-02 10:26:32,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 11 [2018-11-02 10:26:32,954 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:32,967 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:33,008 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. [2018-11-02 10:26:33,008 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:157, output treesize:133 [2018-11-02 10:26:33,233 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:33,235 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:33,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 171 [2018-11-02 10:26:33,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:26:33,291 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:33,346 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:33,408 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:33,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 73 [2018-11-02 10:26:33,426 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 16 treesize of output 15 [2018-11-02 10:26:33,426 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:33,447 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:33,500 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:33,501 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:207, output treesize:191 [2018-11-02 10:26:33,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 192 [2018-11-02 10:26:33,649 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:33,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 47 [2018-11-02 10:26:33,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:33,703 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:33,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 96 [2018-11-02 10:26:33,776 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:33,780 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 24 treesize of output 39 [2018-11-02 10:26:33,780 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:33,800 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:33,857 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. [2018-11-02 10:26:33,857 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:270, output treesize:246 [2018-11-02 10:26:34,177 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-11-02 10:26:34,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 141 [2018-11-02 10:26:34,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 39 treesize of output 26 [2018-11-02 10:26:34,185 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:34,222 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 5 treesize of output 1 [2018-11-02 10:26:34,223 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:34,259 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:34,262 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 6 [2018-11-02 10:26:34,262 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:34,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 60 [2018-11-02 10:26:34,297 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:34,322 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:34,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2018-11-02 10:26:34,363 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 5 treesize of output 1 [2018-11-02 10:26:34,363 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:34,378 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:34,380 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 13 treesize of output 6 [2018-11-02 10:26:34,380 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:34,386 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 11 treesize of output 3 [2018-11-02 10:26:34,387 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:34,392 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:34,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:34,412 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 7 variables, input treesize:260, output treesize:31 [2018-11-02 10:26:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:26:34,568 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:26:34,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22] total 45 [2018-11-02 10:26:34,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-11-02 10:26:34,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-11-02 10:26:34,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1842, Unknown=0, NotChecked=0, Total=2070 [2018-11-02 10:26:34,570 INFO L87 Difference]: Start difference. First operand 271 states and 300 transitions. Second operand 46 states. [2018-11-02 10:26:36,052 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 61 [2018-11-02 10:26:36,439 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2018-11-02 10:26:36,684 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 72 [2018-11-02 10:26:36,884 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2018-11-02 10:26:37,954 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2018-11-02 10:26:38,285 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2018-11-02 10:26:38,631 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-11-02 10:26:38,845 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2018-11-02 10:26:39,372 WARN L179 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-11-02 10:26:44,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:26:44,365 INFO L93 Difference]: Finished difference Result 440 states and 472 transitions. [2018-11-02 10:26:44,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-11-02 10:26:44,368 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 63 [2018-11-02 10:26:44,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:26:44,371 INFO L225 Difference]: With dead ends: 440 [2018-11-02 10:26:44,371 INFO L226 Difference]: Without dead ends: 440 [2018-11-02 10:26:44,374 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3512 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=1769, Invalid=8926, Unknown=17, NotChecked=0, Total=10712 [2018-11-02 10:26:44,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2018-11-02 10:26:44,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 236. [2018-11-02 10:26:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-11-02 10:26:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 259 transitions. [2018-11-02 10:26:44,378 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 259 transitions. Word has length 63 [2018-11-02 10:26:44,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:26:44,379 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 259 transitions. [2018-11-02 10:26:44,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-11-02 10:26:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 259 transitions. [2018-11-02 10:26:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-02 10:26:44,380 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:26:44,380 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2018-11-02 10:26:44,380 INFO L424 AbstractCegarLoop]: === Iteration 29 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:26:44,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:26:44,380 INFO L82 PathProgramCache]: Analyzing trace with hash 247894356, now seen corresponding path program 1 times [2018-11-02 10:26:44,380 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:26:44,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:26:44,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:44,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:44,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-02 10:26:44,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:26:44,735 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:26:44,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:44,786 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:26:44,801 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 [2018-11-02 10:26:44,818 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 [2018-11-02 10:26:44,818 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,821 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,829 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-11-02 10:26:44,843 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:44,844 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:44,846 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 11 treesize of output 4 [2018-11-02 10:26:44,846 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,854 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,855 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-11-02 10:26:44,864 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 [2018-11-02 10:26:44,867 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 [2018-11-02 10:26:44,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,877 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,878 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2018-11-02 10:26:44,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-02 10:26:44,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 12 treesize of output 4 [2018-11-02 10:26:44,892 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,899 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,904 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,904 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-11-02 10:26:44,920 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-11-02 10:26:44,923 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 [2018-11-02 10:26:44,923 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:44,938 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:44,938 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:26 [2018-11-02 10:26:45,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-11-02 10:26:45,020 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 15 treesize of output 3 [2018-11-02 10:26:45,021 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:45,029 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 [2018-11-02 10:26:45,029 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:45,032 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:45,036 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:45,036 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:35, output treesize:7 [2018-11-02 10:26:45,073 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-02 10:26:45,093 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:26:45,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 18 [2018-11-02 10:26:45,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-02 10:26:45,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-02 10:26:45,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-02 10:26:45,094 INFO L87 Difference]: Start difference. First operand 236 states and 259 transitions. Second operand 18 states. [2018-11-02 10:26:46,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:26:46,214 INFO L93 Difference]: Finished difference Result 362 states and 393 transitions. [2018-11-02 10:26:46,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-02 10:26:46,217 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 66 [2018-11-02 10:26:46,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:26:46,218 INFO L225 Difference]: With dead ends: 362 [2018-11-02 10:26:46,219 INFO L226 Difference]: Without dead ends: 195 [2018-11-02 10:26:46,219 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 58 SyntacticMatches, 9 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=312, Invalid=948, Unknown=0, NotChecked=0, Total=1260 [2018-11-02 10:26:46,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-11-02 10:26:46,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-11-02 10:26:46,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-02 10:26:46,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 211 transitions. [2018-11-02 10:26:46,223 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 211 transitions. Word has length 66 [2018-11-02 10:26:46,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:26:46,223 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 211 transitions. [2018-11-02 10:26:46,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-02 10:26:46,223 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 211 transitions. [2018-11-02 10:26:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-02 10:26:46,224 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:26:46,224 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2018-11-02 10:26:46,224 INFO L424 AbstractCegarLoop]: === Iteration 30 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:26:46,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:26:46,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1736878541, now seen corresponding path program 1 times [2018-11-02 10:26:46,225 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:26:46,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:26:46,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:46,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:46,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:46,870 WARN L179 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-11-02 10:26:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:26:47,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:26:47,483 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:26:47,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:47,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:26:47,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:26:47,611 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,626 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:47,628 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:47,630 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 11 treesize of output 4 [2018-11-02 10:26:47,630 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,642 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-02 10:26:47,669 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 [2018-11-02 10:26:47,673 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 [2018-11-02 10:26:47,673 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,693 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 [2018-11-02 10:26:47,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:26:47,697 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,702 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,714 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2018-11-02 10:26:47,788 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:47,793 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-02 10:26:47,797 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 11 [2018-11-02 10:26:47,797 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,805 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,826 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:47,831 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-11-02 10:26:47,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:26:47,834 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,846 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,862 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:57, output treesize:49 [2018-11-02 10:26:47,903 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 17 treesize of output 11 [2018-11-02 10:26:47,903 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,952 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 13 treesize of output 14 [2018-11-02 10:26:47,955 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 14 treesize of output 13 [2018-11-02 10:26:47,955 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,958 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:47,977 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:69, output treesize:56 [2018-11-02 10:26:48,028 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-11-02 10:26:48,032 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:48,034 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:26:48,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 42 [2018-11-02 10:26:48,036 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,048 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,079 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 0 case distinctions, treesize of input 82 treesize of output 72 [2018-11-02 10:26:48,083 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:48,087 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 24 treesize of output 35 [2018-11-02 10:26:48,087 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,104 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,126 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. [2018-11-02 10:26:48,126 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:103, output treesize:87 [2018-11-02 10:26:48,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 57 [2018-11-02 10:26:48,221 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:48,224 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 6 [2018-11-02 10:26:48,225 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 43 treesize of output 30 [2018-11-02 10:26:48,240 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,251 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-11-02 10:26:48,275 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:48,276 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:26:48,278 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 13 treesize of output 10 [2018-11-02 10:26:48,278 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,289 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 11 treesize of output 3 [2018-11-02 10:26:48,289 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,294 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,303 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:48,304 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:101, output treesize:23 [2018-11-02 10:26:48,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 19 treesize of output 15 [2018-11-02 10:26:48,378 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:26:48,380 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 15 treesize of output 11 [2018-11-02 10:26:48,380 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,384 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:48,395 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:7 [2018-11-02 10:26:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:26:48,489 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:26:48,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16] total 33 [2018-11-02 10:26:48,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-02 10:26:48,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-02 10:26:48,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=961, Unknown=0, NotChecked=0, Total=1056 [2018-11-02 10:26:48,491 INFO L87 Difference]: Start difference. First operand 195 states and 211 transitions. Second operand 33 states. [2018-11-02 10:26:51,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:26:51,335 INFO L93 Difference]: Finished difference Result 256 states and 270 transitions. [2018-11-02 10:26:51,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-02 10:26:51,338 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 69 [2018-11-02 10:26:51,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:26:51,339 INFO L225 Difference]: With dead ends: 256 [2018-11-02 10:26:51,339 INFO L226 Difference]: Without dead ends: 237 [2018-11-02 10:26:51,341 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=384, Invalid=2268, Unknown=0, NotChecked=0, Total=2652 [2018-11-02 10:26:51,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-11-02 10:26:51,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 198. [2018-11-02 10:26:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-11-02 10:26:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 214 transitions. [2018-11-02 10:26:51,344 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 214 transitions. Word has length 69 [2018-11-02 10:26:51,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:26:51,345 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 214 transitions. [2018-11-02 10:26:51,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-02 10:26:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 214 transitions. [2018-11-02 10:26:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-02 10:26:51,345 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:26:51,346 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2018-11-02 10:26:51,346 INFO L424 AbstractCegarLoop]: === Iteration 31 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:26:51,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:26:51,346 INFO L82 PathProgramCache]: Analyzing trace with hash 241967573, now seen corresponding path program 1 times [2018-11-02 10:26:51,346 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:26:51,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:26:51,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:51,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:51,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:52,001 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:26:52,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:26:52,001 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:26:52,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:52,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:26:52,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:26:52,096 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,108 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:52,110 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:52,111 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 11 treesize of output 4 [2018-11-02 10:26:52,111 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,118 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-02 10:26:52,141 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 [2018-11-02 10:26:52,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:26:52,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,147 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,161 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 [2018-11-02 10:26:52,164 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 [2018-11-02 10:26:52,164 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,167 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,177 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,177 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2018-11-02 10:26:52,247 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:52,252 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-02 10:26:52,255 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 11 [2018-11-02 10:26:52,255 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,261 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,278 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:52,283 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-11-02 10:26:52,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:26:52,286 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,296 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,311 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,312 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:57, output treesize:49 [2018-11-02 10:26:52,351 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 17 treesize of output 11 [2018-11-02 10:26:52,351 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,373 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 13 treesize of output 14 [2018-11-02 10:26:52,376 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 14 treesize of output 13 [2018-11-02 10:26:52,376 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,379 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,396 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:69, output treesize:56 [2018-11-02 10:26:52,468 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-11-02 10:26:52,471 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:52,473 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:26:52,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 42 [2018-11-02 10:26:52,474 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,484 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,511 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 0 case distinctions, treesize of input 82 treesize of output 72 [2018-11-02 10:26:52,516 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:52,517 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 24 treesize of output 35 [2018-11-02 10:26:52,517 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,531 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,552 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. [2018-11-02 10:26:52,552 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:103, output treesize:87 [2018-11-02 10:26:52,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 57 [2018-11-02 10:26:52,658 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:52,659 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 6 [2018-11-02 10:26:52,659 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 43 treesize of output 30 [2018-11-02 10:26:52,673 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,681 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-11-02 10:26:52,705 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 11 treesize of output 3 [2018-11-02 10:26:52,705 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,713 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:26:52,714 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 13 treesize of output 6 [2018-11-02 10:26:52,714 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,722 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,733 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:26:52,733 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:101, output treesize:23 [2018-11-02 10:26:52,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 19 treesize of output 15 [2018-11-02 10:26:52,801 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:26:52,802 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 15 treesize of output 11 [2018-11-02 10:26:52,802 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,806 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,812 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:52,812 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:7 [2018-11-02 10:26:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:26:52,906 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:26:52,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16] total 33 [2018-11-02 10:26:52,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-02 10:26:52,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-02 10:26:52,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=961, Unknown=0, NotChecked=0, Total=1056 [2018-11-02 10:26:52,908 INFO L87 Difference]: Start difference. First operand 198 states and 214 transitions. Second operand 33 states. [2018-11-02 10:26:55,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:26:55,645 INFO L93 Difference]: Finished difference Result 243 states and 256 transitions. [2018-11-02 10:26:55,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-02 10:26:55,647 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 69 [2018-11-02 10:26:55,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:26:55,651 INFO L225 Difference]: With dead ends: 243 [2018-11-02 10:26:55,651 INFO L226 Difference]: Without dead ends: 224 [2018-11-02 10:26:55,652 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=366, Invalid=2184, Unknown=0, NotChecked=0, Total=2550 [2018-11-02 10:26:55,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-11-02 10:26:55,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 198. [2018-11-02 10:26:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-11-02 10:26:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 214 transitions. [2018-11-02 10:26:55,661 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 214 transitions. Word has length 69 [2018-11-02 10:26:55,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:26:55,662 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 214 transitions. [2018-11-02 10:26:55,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-02 10:26:55,662 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 214 transitions. [2018-11-02 10:26:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-02 10:26:55,662 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:26:55,663 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2018-11-02 10:26:55,666 INFO L424 AbstractCegarLoop]: === Iteration 32 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:26:55,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:26:55,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1080429582, now seen corresponding path program 2 times [2018-11-02 10:26:55,666 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:26:55,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:26:55,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:55,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:26:55,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:26:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:26:56,036 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:26:56,036 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:26:56,047 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-02 10:26:56,091 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-02 10:26:56,091 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-02 10:26:56,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:26:56,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-02 10:26:56,319 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 11 treesize of output 3 [2018-11-02 10:26:56,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:26:56,335 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:56,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:26:56,337 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-02 10:26:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-02 10:26:56,378 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:26:56,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 26 [2018-11-02 10:26:56,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-02 10:26:56,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-02 10:26:56,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2018-11-02 10:26:56,379 INFO L87 Difference]: Start difference. First operand 198 states and 214 transitions. Second operand 26 states. [2018-11-02 10:26:59,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:26:59,197 INFO L93 Difference]: Finished difference Result 355 states and 376 transitions. [2018-11-02 10:26:59,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-02 10:26:59,200 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 70 [2018-11-02 10:26:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:26:59,201 INFO L225 Difference]: With dead ends: 355 [2018-11-02 10:26:59,201 INFO L226 Difference]: Without dead ends: 355 [2018-11-02 10:26:59,202 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=659, Invalid=3501, Unknown=0, NotChecked=0, Total=4160 [2018-11-02 10:26:59,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-11-02 10:26:59,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 256. [2018-11-02 10:26:59,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-11-02 10:26:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 277 transitions. [2018-11-02 10:26:59,207 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 277 transitions. Word has length 70 [2018-11-02 10:26:59,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:26:59,207 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 277 transitions. [2018-11-02 10:26:59,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-02 10:26:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 277 transitions. [2018-11-02 10:26:59,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-02 10:26:59,208 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:26:59,208 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:26:59,208 INFO L424 AbstractCegarLoop]: === Iteration 33 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:26:59,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:26:59,209 INFO L82 PathProgramCache]: Analyzing trace with hash -364864947, now seen corresponding path program 1 times [2018-11-02 10:26:59,209 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:26:59,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:26:59,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:59,210 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-02 10:26:59,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:26:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:27:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:27:00,264 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:27:00,264 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:27:00,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:27:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:27:00,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:27:00,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:27:00,652 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:00,842 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:00,858 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:00,860 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 17 treesize of output 21 [2018-11-02 10:27:00,863 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:01,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:01,049 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:26 [2018-11-02 10:27:01,442 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-02 10:27:01,451 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 [2018-11-02 10:27:01,453 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 [2018-11-02 10:27:01,453 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:01,457 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:01,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:01,469 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:38 [2018-11-02 10:27:01,549 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:01,554 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 46 [2018-11-02 10:27:01,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:01,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:01,567 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:01,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:01,583 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:45 [2018-11-02 10:27:01,662 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:01,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 37 [2018-11-02 10:27:01,664 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:01,691 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:01,694 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:01,695 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:01,697 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 20 treesize of output 21 [2018-11-02 10:27:01,698 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:01,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:01,718 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:63, output treesize:59 [2018-11-02 10:27:01,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 56 treesize of output 55 [2018-11-02 10:27:01,879 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:01,903 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 16 treesize of output 23 [2018-11-02 10:27:01,903 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:02,074 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:02,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:02,097 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:72, output treesize:77 [2018-11-02 10:27:02,196 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 95 [2018-11-02 10:27:02,200 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 18 treesize of output 17 [2018-11-02 10:27:02,201 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:02,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:02,241 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:02,242 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:121, output treesize:107 [2018-11-02 10:27:02,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 28 [2018-11-02 10:27:02,456 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:02,478 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:02,479 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:121, output treesize:85 [2018-11-02 10:27:02,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2018-11-02 10:27:02,541 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:02,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 43 [2018-11-02 10:27:02,558 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-11-02 10:27:02,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 12 treesize of output 4 [2018-11-02 10:27:02,607 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:02,636 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 5 treesize of output 1 [2018-11-02 10:27:02,637 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:02,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:27:02,696 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:27:02,697 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:94, output treesize:88 [2018-11-02 10:27:02,847 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-11-02 10:27:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:27:03,040 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:27:03,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 41 [2018-11-02 10:27:03,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-11-02 10:27:03,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-11-02 10:27:03,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1505, Unknown=0, NotChecked=0, Total=1640 [2018-11-02 10:27:03,042 INFO L87 Difference]: Start difference. First operand 256 states and 277 transitions. Second operand 41 states. [2018-11-02 10:27:04,428 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2018-11-02 10:27:04,705 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 53 [2018-11-02 10:27:04,967 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 77 [2018-11-02 10:27:05,169 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2018-11-02 10:27:06,660 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 93 [2018-11-02 10:27:06,940 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 99 [2018-11-02 10:27:07,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:27:07,678 INFO L93 Difference]: Finished difference Result 268 states and 286 transitions. [2018-11-02 10:27:07,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-02 10:27:07,680 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 73 [2018-11-02 10:27:07,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:27:07,682 INFO L225 Difference]: With dead ends: 268 [2018-11-02 10:27:07,682 INFO L226 Difference]: Without dead ends: 244 [2018-11-02 10:27:07,684 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 981 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=546, Invalid=3486, Unknown=0, NotChecked=0, Total=4032 [2018-11-02 10:27:07,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-11-02 10:27:07,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 229. [2018-11-02 10:27:07,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-11-02 10:27:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 249 transitions. [2018-11-02 10:27:07,687 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 249 transitions. Word has length 73 [2018-11-02 10:27:07,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:27:07,688 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 249 transitions. [2018-11-02 10:27:07,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-11-02 10:27:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 249 transitions. [2018-11-02 10:27:07,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-02 10:27:07,688 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:27:07,689 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:27:07,689 INFO L424 AbstractCegarLoop]: === Iteration 34 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:27:07,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:27:07,689 INFO L82 PathProgramCache]: Analyzing trace with hash -252463676, now seen corresponding path program 1 times [2018-11-02 10:27:07,689 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:27:07,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:27:07,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:27:07,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:27:07,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:27:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:27:07,964 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-11-02 10:27:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:27:08,185 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:27:08,185 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:27:08,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:27:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:27:08,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:27:08,255 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:08,256 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:08,257 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 11 treesize of output 4 [2018-11-02 10:27:08,257 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,267 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,268 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-11-02 10:27:08,317 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 [2018-11-02 10:27:08,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-02 10:27:08,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,321 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,333 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:28 [2018-11-02 10:27:08,394 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:08,398 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-11-02 10:27:08,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:08,401 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,409 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,418 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,419 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:32 [2018-11-02 10:27:08,450 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:08,452 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:08,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 17 treesize of output 21 [2018-11-02 10:27:08,453 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,468 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:41 [2018-11-02 10:27:08,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-02 10:27:08,516 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:08,518 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 [2018-11-02 10:27:08,518 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,529 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,545 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:54, output treesize:53 [2018-11-02 10:27:08,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 74 [2018-11-02 10:27:08,679 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 72 treesize of output 71 [2018-11-02 10:27:08,680 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:08,776 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:08,780 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:08,790 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 49 treesize of output 59 [2018-11-02 10:27:08,792 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:27:08,845 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:27:08,886 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:27:08,888 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:76, output treesize:113 [2018-11-02 10:27:09,015 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,017 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,019 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2018-11-02 10:27:09,021 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:09,080 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,082 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,084 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,085 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 51 treesize of output 44 [2018-11-02 10:27:09,085 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:09,144 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 2 xjuncts. [2018-11-02 10:27:09,145 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:123, output treesize:109 [2018-11-02 10:27:09,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2018-11-02 10:27:09,262 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 21 treesize of output 23 [2018-11-02 10:27:09,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:09,292 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:09,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 82 [2018-11-02 10:27:09,388 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 80 [2018-11-02 10:27:09,393 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:09,475 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,477 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,481 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,493 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 89 [2018-11-02 10:27:09,494 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-02 10:27:09,563 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:27:09,628 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 3 xjuncts. [2018-11-02 10:27:09,628 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:131, output treesize:170 [2018-11-02 10:27:09,885 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,887 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,888 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:09,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 98 [2018-11-02 10:27:09,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:09,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:09,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:09,992 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:10,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 104 treesize of output 104 [2018-11-02 10:27:10,037 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:10,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 86 [2018-11-02 10:27:10,059 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-02 10:27:10,206 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 101 treesize of output 100 [2018-11-02 10:27:10,206 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:10,284 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-02 10:27:10,395 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:10,396 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:10,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 80 [2018-11-02 10:27:10,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:10,410 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:10,430 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:10,530 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 7 dim-0 vars, and 5 xjuncts. [2018-11-02 10:27:10,531 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:287, output treesize:372 [2018-11-02 10:27:10,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 79 [2018-11-02 10:27:10,766 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:10,769 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 32 treesize of output 47 [2018-11-02 10:27:10,769 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:10,783 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:10,956 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:10,967 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 95 [2018-11-02 10:27:10,972 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:10,974 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 32 treesize of output 47 [2018-11-02 10:27:10,975 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:10,996 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:11,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 134 treesize of output 101 [2018-11-02 10:27:11,189 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:11,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 144 [2018-11-02 10:27:11,192 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:11,248 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:11,392 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:11,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 77 [2018-11-02 10:27:11,400 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:11,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 54 [2018-11-02 10:27:11,402 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:11,416 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:11,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 73 [2018-11-02 10:27:11,551 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:11,552 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:11,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 66 [2018-11-02 10:27:11,553 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:11,573 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:11,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 5 dim-2 vars, End of recursive call: 13 dim-0 vars, and 5 xjuncts. [2018-11-02 10:27:11,672 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 17 variables, input treesize:562, output treesize:480 [2018-11-02 10:27:11,943 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 98 [2018-11-02 10:27:12,673 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-11-02 10:27:12,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 89 [2018-11-02 10:27:12,821 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:12,823 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:12,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 95 [2018-11-02 10:27:12,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 5 xjuncts. [2018-11-02 10:27:13,028 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 40 treesize of output 31 [2018-11-02 10:27:13,028 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:13,032 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 48 treesize of output 39 [2018-11-02 10:27:13,032 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:13,036 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 36 treesize of output 27 [2018-11-02 10:27:13,036 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:13,172 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 69 treesize of output 64 [2018-11-02 10:27:13,173 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:13,305 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 64 treesize of output 55 [2018-11-02 10:27:13,305 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:13,455 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:13,457 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 67 treesize of output 59 [2018-11-02 10:27:13,458 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:13,578 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:13,582 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:13,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 62 [2018-11-02 10:27:13,594 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-11-02 10:27:13,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 58 [2018-11-02 10:27:13,706 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2018-11-02 10:27:13,806 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 22 treesize of output 13 [2018-11-02 10:27:13,806 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:13,811 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 28 treesize of output 19 [2018-11-02 10:27:13,811 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:13,869 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:13,872 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 75 treesize of output 67 [2018-11-02 10:27:13,873 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:13,926 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 61 treesize of output 52 [2018-11-02 10:27:13,927 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:13,973 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 52 treesize of output 47 [2018-11-02 10:27:13,973 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:14,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2018-11-02 10:27:14,017 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:14,032 INFO L267 ElimStorePlain]: Start of recursive call 2: 12 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:14,061 INFO L267 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:14,062 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 18 variables, input treesize:427, output treesize:9 [2018-11-02 10:27:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:27:14,213 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:27:14,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 35 [2018-11-02 10:27:14,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-11-02 10:27:14,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-11-02 10:27:14,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1010, Unknown=10, NotChecked=0, Total=1190 [2018-11-02 10:27:14,214 INFO L87 Difference]: Start difference. First operand 229 states and 249 transitions. Second operand 35 states. [2018-11-02 10:27:15,684 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-11-02 10:27:15,868 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2018-11-02 10:27:16,126 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2018-11-02 10:27:16,337 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2018-11-02 10:27:16,653 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2018-11-02 10:27:16,961 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2018-11-02 10:27:17,234 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 94 [2018-11-02 10:27:17,707 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2018-11-02 10:27:18,433 WARN L179 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2018-11-02 10:27:19,307 WARN L179 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2018-11-02 10:27:19,827 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 107 [2018-11-02 10:27:20,827 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 112 [2018-11-02 10:27:21,070 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2018-11-02 10:27:21,732 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2018-11-02 10:27:22,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:27:22,189 INFO L93 Difference]: Finished difference Result 355 states and 376 transitions. [2018-11-02 10:27:22,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-11-02 10:27:22,191 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 74 [2018-11-02 10:27:22,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:27:22,193 INFO L225 Difference]: With dead ends: 355 [2018-11-02 10:27:22,193 INFO L226 Difference]: Without dead ends: 355 [2018-11-02 10:27:22,194 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 58 SyntacticMatches, 4 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2019 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=874, Invalid=5428, Unknown=18, NotChecked=0, Total=6320 [2018-11-02 10:27:22,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-11-02 10:27:22,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 180. [2018-11-02 10:27:22,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-11-02 10:27:22,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 193 transitions. [2018-11-02 10:27:22,199 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 193 transitions. Word has length 74 [2018-11-02 10:27:22,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:27:22,200 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 193 transitions. [2018-11-02 10:27:22,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-11-02 10:27:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 193 transitions. [2018-11-02 10:27:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-02 10:27:22,200 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:27:22,201 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-02 10:27:22,201 INFO L424 AbstractCegarLoop]: === Iteration 35 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:27:22,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:27:22,201 INFO L82 PathProgramCache]: Analyzing trace with hash -45872682, now seen corresponding path program 1 times [2018-11-02 10:27:22,201 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:27:22,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:27:22,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:27:22,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:27:22,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:27:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:27:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:27:22,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:27:22,642 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:27:22,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:27:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:27:22,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:27:22,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:22,719 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:22,720 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 17 treesize of output 21 [2018-11-02 10:27:22,720 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,736 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,737 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-11-02 10:27:22,768 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 [2018-11-02 10:27:22,771 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 [2018-11-02 10:27:22,771 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,775 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,790 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 [2018-11-02 10:27:22,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:22,793 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,796 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,809 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-11-02 10:27:22,919 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:22,924 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-11-02 10:27:22,927 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 8 treesize of output 11 [2018-11-02 10:27:22,928 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,936 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,958 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2018-11-02 10:27:22,961 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 15 [2018-11-02 10:27:22,961 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,970 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:22,987 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:66 [2018-11-02 10:27:23,043 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2018-11-02 10:27:23,059 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,060 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 20 treesize of output 31 [2018-11-02 10:27:23,061 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,073 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 60 [2018-11-02 10:27:23,112 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,113 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 24 treesize of output 39 [2018-11-02 10:27:23,113 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,126 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,145 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,145 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:92, output treesize:88 [2018-11-02 10:27:23,206 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,208 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,210 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,211 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 26 treesize of output 46 [2018-11-02 10:27:23,211 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,243 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,244 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:99, output treesize:105 [2018-11-02 10:27:23,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 84 treesize of output 81 [2018-11-02 10:27:23,340 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,342 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,345 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 25 treesize of output 61 [2018-11-02 10:27:23,345 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,417 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 65 treesize of output 65 [2018-11-02 10:27:23,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,425 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 0 case distinctions, treesize of input 29 treesize of output 53 [2018-11-02 10:27:23,425 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,440 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,470 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,470 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:127, output treesize:103 [2018-11-02 10:27:23,668 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,670 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,680 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 135 [2018-11-02 10:27:23,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:23,695 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,719 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,751 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,762 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 113 treesize of output 130 [2018-11-02 10:27:23,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:23,766 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,785 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,812 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,813 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:162, output treesize:142 [2018-11-02 10:27:23,897 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 182 [2018-11-02 10:27:23,903 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,904 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 40 treesize of output 59 [2018-11-02 10:27:23,905 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,937 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:23,990 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 211 treesize of output 193 [2018-11-02 10:27:23,994 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:23,995 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 28 treesize of output 47 [2018-11-02 10:27:23,996 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:24,025 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:24,060 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. [2018-11-02 10:27:24,061 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:249, output treesize:217 [2018-11-02 10:27:24,233 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 202 treesize of output 167 [2018-11-02 10:27:24,236 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 11 treesize of output 1 [2018-11-02 10:27:24,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:24,264 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:24,267 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 13 treesize of output 6 [2018-11-02 10:27:24,267 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:24,288 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 123 treesize of output 102 [2018-11-02 10:27:24,289 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:24,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:24,331 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. [2018-11-02 10:27:24,331 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:231, output treesize:131 [2018-11-02 10:27:24,470 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 125 treesize of output 66 [2018-11-02 10:27:24,483 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 29 treesize of output 22 [2018-11-02 10:27:24,484 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:24,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 42 [2018-11-02 10:27:24,578 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:24,600 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:24,602 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 38 treesize of output 20 [2018-11-02 10:27:24,602 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:24,623 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:24,638 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:24,639 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:130, output treesize:28 [2018-11-02 10:27:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:27:24,846 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:27:24,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20] total 36 [2018-11-02 10:27:24,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-11-02 10:27:24,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-11-02 10:27:24,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1174, Unknown=0, NotChecked=0, Total=1332 [2018-11-02 10:27:24,848 INFO L87 Difference]: Start difference. First operand 180 states and 193 transitions. Second operand 37 states. [2018-11-02 10:27:26,798 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 85 [2018-11-02 10:27:27,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:27:27,770 INFO L93 Difference]: Finished difference Result 298 states and 317 transitions. [2018-11-02 10:27:27,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-02 10:27:27,773 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 75 [2018-11-02 10:27:27,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:27:27,775 INFO L225 Difference]: With dead ends: 298 [2018-11-02 10:27:27,775 INFO L226 Difference]: Without dead ends: 298 [2018-11-02 10:27:27,776 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 57 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=368, Invalid=2284, Unknown=0, NotChecked=0, Total=2652 [2018-11-02 10:27:27,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-11-02 10:27:27,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 227. [2018-11-02 10:27:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-02 10:27:27,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 245 transitions. [2018-11-02 10:27:27,784 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 245 transitions. Word has length 75 [2018-11-02 10:27:27,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:27:27,784 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 245 transitions. [2018-11-02 10:27:27,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-11-02 10:27:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 245 transitions. [2018-11-02 10:27:27,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-02 10:27:27,786 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:27:27,786 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-02 10:27:27,787 INFO L424 AbstractCegarLoop]: === Iteration 36 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:27:27,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:27:27,787 INFO L82 PathProgramCache]: Analyzing trace with hash -45872681, now seen corresponding path program 1 times [2018-11-02 10:27:27,787 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:27:27,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:27:27,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:27:27,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:27:27,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:27:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:27:28,133 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-11-02 10:27:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:27:28,668 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:27:28,668 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:27:28,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:27:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:27:28,732 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:27:28,875 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:28,903 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:28,905 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 17 treesize of output 21 [2018-11-02 10:27:28,905 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:28,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:28,944 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-11-02 10:27:28,978 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 [2018-11-02 10:27:28,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-11-02 10:27:28,982 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:28,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,007 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 [2018-11-02 10:27:29,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:29,012 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,017 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,031 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-11-02 10:27:29,147 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:29,153 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2018-11-02 10:27:29,157 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 15 [2018-11-02 10:27:29,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,169 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,191 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:29,197 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2018-11-02 10:27:29,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 11 [2018-11-02 10:27:29,200 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,213 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,232 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,232 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:66 [2018-11-02 10:27:29,287 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2018-11-02 10:27:29,292 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:29,296 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 20 treesize of output 31 [2018-11-02 10:27:29,296 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 60 [2018-11-02 10:27:29,345 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:29,345 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 24 treesize of output 39 [2018-11-02 10:27:29,346 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,363 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,386 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,387 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:92, output treesize:88 [2018-11-02 10:27:29,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:27:29,450 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,484 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:29,486 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:29,489 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:29,490 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 20 treesize of output 21 [2018-11-02 10:27:29,491 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,535 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,535 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:94 [2018-11-02 10:27:29,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 75 treesize of output 72 [2018-11-02 10:27:29,672 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:29,676 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:29,679 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 25 treesize of output 61 [2018-11-02 10:27:29,679 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,714 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,764 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:27:29,769 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 65 treesize of output 70 [2018-11-02 10:27:29,775 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:29,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 53 [2018-11-02 10:27:29,777 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,799 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,834 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:29,835 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:113, output treesize:104 [2018-11-02 10:27:30,025 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:30,028 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:30,039 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 144 treesize of output 161 [2018-11-02 10:27:30,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:30,044 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,073 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,110 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:30,113 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:30,123 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 145 treesize of output 141 [2018-11-02 10:27:30,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:30,127 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,154 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,184 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,185 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:163, output treesize:143 [2018-11-02 10:27:30,277 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 188 [2018-11-02 10:27:30,283 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:30,285 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 40 treesize of output 59 [2018-11-02 10:27:30,286 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,325 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,377 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 226 treesize of output 208 [2018-11-02 10:27:30,383 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:30,385 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 28 treesize of output 47 [2018-11-02 10:27:30,386 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,424 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,461 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. [2018-11-02 10:27:30,461 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:250, output treesize:218 [2018-11-02 10:27:30,782 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 241 treesize of output 158 [2018-11-02 10:27:30,786 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:30,789 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 19 treesize of output 6 [2018-11-02 10:27:30,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,819 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 77 treesize of output 94 [2018-11-02 10:27:30,819 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 87 [2018-11-02 10:27:30,877 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:30,900 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:30,929 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 63 treesize of output 55 [2018-11-02 10:27:30,934 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:30,938 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 13 treesize of output 6 [2018-11-02 10:27:30,938 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,956 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 31 treesize of output 16 [2018-11-02 10:27:30,956 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,966 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 16 treesize of output 3 [2018-11-02 10:27:30,967 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,972 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:30,982 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:248, output treesize:9 [2018-11-02 10:27:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:27:31,084 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:27:31,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 33 [2018-11-02 10:27:31,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-02 10:27:31,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-02 10:27:31,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1011, Unknown=0, NotChecked=0, Total=1122 [2018-11-02 10:27:31,085 INFO L87 Difference]: Start difference. First operand 227 states and 245 transitions. Second operand 34 states. [2018-11-02 10:27:32,116 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2018-11-02 10:27:33,237 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2018-11-02 10:27:34,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:27:34,475 INFO L93 Difference]: Finished difference Result 289 states and 307 transitions. [2018-11-02 10:27:34,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-02 10:27:34,476 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 75 [2018-11-02 10:27:34,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:27:34,478 INFO L225 Difference]: With dead ends: 289 [2018-11-02 10:27:34,478 INFO L226 Difference]: Without dead ends: 289 [2018-11-02 10:27:34,479 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 57 SyntacticMatches, 7 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=258, Invalid=2094, Unknown=0, NotChecked=0, Total=2352 [2018-11-02 10:27:34,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-11-02 10:27:34,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 225. [2018-11-02 10:27:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-02 10:27:34,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 242 transitions. [2018-11-02 10:27:34,483 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 242 transitions. Word has length 75 [2018-11-02 10:27:34,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:27:34,483 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 242 transitions. [2018-11-02 10:27:34,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-02 10:27:34,483 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 242 transitions. [2018-11-02 10:27:34,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-02 10:27:34,484 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:27:34,484 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-02 10:27:34,485 INFO L424 AbstractCegarLoop]: === Iteration 37 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:27:34,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:27:34,485 INFO L82 PathProgramCache]: Analyzing trace with hash -972845677, now seen corresponding path program 2 times [2018-11-02 10:27:34,485 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:27:34,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:27:34,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:27:34,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:27:34,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:27:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:27:35,222 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:27:35,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:27:35,223 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:27:35,235 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-02 10:27:35,282 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-02 10:27:35,282 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-02 10:27:35,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:27:35,394 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:35,396 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:35,397 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 17 treesize of output 21 [2018-11-02 10:27:35,397 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,409 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-11-02 10:27:35,445 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 [2018-11-02 10:27:35,447 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 [2018-11-02 10:27:35,448 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,452 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,463 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,463 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-11-02 10:27:35,569 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:35,573 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-11-02 10:27:35,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:35,575 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,587 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,597 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,598 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:36 [2018-11-02 10:27:35,644 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-11-02 10:27:35,658 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:35,660 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 [2018-11-02 10:27:35,660 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,670 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,684 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,684 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:49, output treesize:45 [2018-11-02 10:27:35,733 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:35,735 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:35,736 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:35,737 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 26 treesize of output 46 [2018-11-02 10:27:35,737 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,762 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,762 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:62 [2018-11-02 10:27:35,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 52 treesize of output 49 [2018-11-02 10:27:35,847 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:35,850 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:35,852 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 21 treesize of output 33 [2018-11-02 10:27:35,853 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,863 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,885 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:35,886 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:63 [2018-11-02 10:27:36,042 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,044 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,052 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 98 treesize of output 94 [2018-11-02 10:27:36,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:36,056 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:36,077 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:36,099 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. [2018-11-02 10:27:36,100 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:94 [2018-11-02 10:27:36,167 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,176 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 95 treesize of output 93 [2018-11-02 10:27:36,180 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,183 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 16 treesize of output 23 [2018-11-02 10:27:36,183 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:36,205 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:36,230 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. [2018-11-02 10:27:36,231 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:107, output treesize:103 [2018-11-02 10:27:36,307 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,311 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,313 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 99 [2018-11-02 10:27:36,314 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:36,355 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. [2018-11-02 10:27:36,355 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:114, output treesize:140 [2018-11-02 10:27:36,445 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,447 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 122 [2018-11-02 10:27:36,460 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,463 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:36,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 33 [2018-11-02 10:27:36,466 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:36,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:36,535 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. [2018-11-02 10:27:36,535 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:151, output treesize:139 [2018-11-02 10:27:37,210 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:37,212 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:37,214 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:37,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 165 [2018-11-02 10:27:37,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:37,235 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:37,278 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:37,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:37,320 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:218, output treesize:214 [2018-11-02 10:27:37,416 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:37,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 168 [2018-11-02 10:27:37,440 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:37,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 59 [2018-11-02 10:27:37,443 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:37,483 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:37,524 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. [2018-11-02 10:27:37,525 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:260, output treesize:244 [2018-11-02 10:27:37,709 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:37,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 126 [2018-11-02 10:27:37,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 44 [2018-11-02 10:27:37,721 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:37,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:37,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 28 [2018-11-02 10:27:37,756 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:37,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2018-11-02 10:27:37,784 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:37,807 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:27:37,808 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 31 treesize of output 21 [2018-11-02 10:27:37,808 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:37,827 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:37,852 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:37,853 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:254, output treesize:45 [2018-11-02 10:27:38,057 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:27:38,093 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:27:38,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 26] total 46 [2018-11-02 10:27:38,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-11-02 10:27:38,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-11-02 10:27:38,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1824, Unknown=29, NotChecked=0, Total=2162 [2018-11-02 10:27:38,102 INFO L87 Difference]: Start difference. First operand 225 states and 242 transitions. Second operand 47 states. [2018-11-02 10:27:44,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:27:44,149 INFO L93 Difference]: Finished difference Result 427 states and 454 transitions. [2018-11-02 10:27:44,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-11-02 10:27:44,152 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 76 [2018-11-02 10:27:44,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:27:44,155 INFO L225 Difference]: With dead ends: 427 [2018-11-02 10:27:44,155 INFO L226 Difference]: Without dead ends: 427 [2018-11-02 10:27:44,156 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2713 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=1434, Invalid=7431, Unknown=65, NotChecked=0, Total=8930 [2018-11-02 10:27:44,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-11-02 10:27:44,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 257. [2018-11-02 10:27:44,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-11-02 10:27:44,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 278 transitions. [2018-11-02 10:27:44,160 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 278 transitions. Word has length 76 [2018-11-02 10:27:44,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:27:44,161 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 278 transitions. [2018-11-02 10:27:44,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-11-02 10:27:44,161 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 278 transitions. [2018-11-02 10:27:44,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-02 10:27:44,167 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:27:44,167 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-02 10:27:44,167 INFO L424 AbstractCegarLoop]: === Iteration 38 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:27:44,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:27:44,168 INFO L82 PathProgramCache]: Analyzing trace with hash -972845676, now seen corresponding path program 2 times [2018-11-02 10:27:44,168 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:27:44,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:27:44,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:27:44,169 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-02 10:27:44,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:27:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:27:44,509 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-11-02 10:27:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:27:45,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:27:45,216 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:27:45,230 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-02 10:27:45,282 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-02 10:27:45,282 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-02 10:27:45,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:27:45,356 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:45,358 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:45,360 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 11 treesize of output 4 [2018-11-02 10:27:45,360 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,365 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-11-02 10:27:45,391 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 13 treesize of output 10 [2018-11-02 10:27:45,393 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 10 treesize of output 9 [2018-11-02 10:27:45,394 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,397 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,406 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,407 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-02 10:27:45,474 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 0 case distinctions, treesize of input 34 treesize of output 28 [2018-11-02 10:27:45,477 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 14 treesize of output 13 [2018-11-02 10:27:45,477 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,484 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,495 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. [2018-11-02 10:27:45,495 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:42, output treesize:32 [2018-11-02 10:27:45,584 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:45,586 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:45,588 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 17 treesize of output 21 [2018-11-02 10:27:45,588 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,609 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. [2018-11-02 10:27:45,609 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:47 [2018-11-02 10:27:45,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 42 [2018-11-02 10:27:45,676 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:45,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 47 [2018-11-02 10:27:45,679 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,693 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,714 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. [2018-11-02 10:27:45,714 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:58, output treesize:55 [2018-11-02 10:27:45,890 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:45,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 78 [2018-11-02 10:27:45,921 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 70 treesize of output 69 [2018-11-02 10:27:45,922 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:45,989 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:45,990 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:70, output treesize:66 [2018-11-02 10:27:46,065 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:46,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 85 [2018-11-02 10:27:46,096 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:46,099 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 77 treesize of output 84 [2018-11-02 10:27:46,100 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:46,178 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:46,194 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 2 case distinctions, treesize of input 54 treesize of output 69 [2018-11-02 10:27:46,195 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:27:46,252 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:27:46,307 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 2 xjuncts. [2018-11-02 10:27:46,307 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:79, output treesize:137 [2018-11-02 10:27:46,431 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:46,434 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:46,436 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:46,438 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 26 treesize of output 46 [2018-11-02 10:27:46,438 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:46,472 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:27:46,472 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:86, output treesize:92 [2018-11-02 10:27:46,570 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:46,598 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 98 [2018-11-02 10:27:46,603 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:46,606 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:46,610 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 90 treesize of output 102 [2018-11-02 10:27:46,611 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:46,707 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:46,716 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:46,732 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 3 case distinctions, treesize of input 63 treesize of output 81 [2018-11-02 10:27:46,733 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:27:46,805 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:27:46,871 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 2 xjuncts. [2018-11-02 10:27:46,871 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:103, output treesize:173 [2018-11-02 10:27:47,339 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:47,352 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:47,360 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 136 treesize of output 124 [2018-11-02 10:27:47,364 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 8 treesize of output 7 [2018-11-02 10:27:47,364 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:47,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:47,474 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:47,477 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:47,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 132 treesize of output 146 [2018-11-02 10:27:47,529 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 151 treesize of output 150 [2018-11-02 10:27:47,530 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:47,644 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:47,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-11-02 10:27:47,720 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:269, output treesize:229 [2018-11-02 10:27:47,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 125 treesize of output 133 [2018-11-02 10:27:47,927 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:47,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 137 [2018-11-02 10:27:47,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:48,050 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,066 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 2 case distinctions, treesize of input 117 treesize of output 132 [2018-11-02 10:27:48,067 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:27:48,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:27:48,322 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,324 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,333 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 129 treesize of output 137 [2018-11-02 10:27:48,338 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 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 [2018-11-02 10:27:48,340 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:48,378 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:48,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2018-11-02 10:27:48,506 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:255, output treesize:364 [2018-11-02 10:27:48,757 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 77 [2018-11-02 10:27:48,813 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,837 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,858 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,865 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 154 [2018-11-02 10:27:48,867 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:48,958 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,961 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,964 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,966 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:48,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 144 [2018-11-02 10:27:48,968 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:49,045 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-11-02 10:27:49,045 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:261, output treesize:253 [2018-11-02 10:27:49,193 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:49,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 137 treesize of output 143 [2018-11-02 10:27:49,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:49,240 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:49,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 156 [2018-11-02 10:27:49,245 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:49,448 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:49,583 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:49,625 INFO L303 Elim1Store]: Index analysis took 221 ms [2018-11-02 10:27:49,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 137 [2018-11-02 10:27:49,764 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:27:50,015 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:27:50,195 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:50,197 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:50,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 137 [2018-11-02 10:27:50,224 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:50,230 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:50,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 33 [2018-11-02 10:27:50,233 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:50,290 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:50,445 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2018-11-02 10:27:50,445 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:275, output treesize:370 [2018-11-02 10:27:51,026 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:51,028 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:51,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 163 [2018-11-02 10:27:51,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:51,048 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:51,089 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:51,228 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:51,232 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:51,234 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:51,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 194 treesize of output 183 [2018-11-02 10:27:51,286 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 225 treesize of output 224 [2018-11-02 10:27:51,286 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:51,502 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:51,637 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:51,641 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:51,643 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:51,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 159 [2018-11-02 10:27:51,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:27:51,666 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:51,710 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:51,832 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 3 dim-2 vars, End of recursive call: 10 dim-0 vars, and 3 xjuncts. [2018-11-02 10:27:51,833 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 13 variables, input treesize:553, output treesize:547 [2018-11-02 10:27:52,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 236 treesize of output 174 [2018-11-02 10:27:52,136 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:52,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 248 [2018-11-02 10:27:52,140 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:52,268 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:52,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 198 treesize of output 225 [2018-11-02 10:27:52,286 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:27:52,407 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:27:52,631 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:52,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 186 [2018-11-02 10:27:52,655 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:52,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 59 [2018-11-02 10:27:52,658 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:52,703 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:52,918 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:52,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 174 [2018-11-02 10:27:52,943 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:52,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 53 [2018-11-02 10:27:52,947 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:52,991 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:27:53,191 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 3 dim-2 vars, End of recursive call: 17 dim-0 vars, and 4 xjuncts. [2018-11-02 10:27:53,191 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 16 variables, input treesize:715, output treesize:831 [2018-11-02 10:27:53,556 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 129 [2018-11-02 10:27:53,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 229 treesize of output 140 [2018-11-02 10:27:53,846 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 119 treesize of output 114 [2018-11-02 10:27:53,846 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:54,236 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:54,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 99 [2018-11-02 10:27:54,241 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:54,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 101 [2018-11-02 10:27:54,631 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:55,024 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:55,028 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 113 treesize of output 105 [2018-11-02 10:27:55,029 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:55,447 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:55,453 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 93 treesize of output 85 [2018-11-02 10:27:55,453 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:55,811 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:55,817 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:55,821 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:55,831 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:27:55,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 107 treesize of output 156 [2018-11-02 10:27:55,861 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 8 xjuncts. [2018-11-02 10:27:56,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 79 treesize of output 108 [2018-11-02 10:27:56,547 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 6 xjuncts. [2018-11-02 10:27:57,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 110 [2018-11-02 10:27:57,256 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:57,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 98 [2018-11-02 10:27:57,904 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:58,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 113 treesize of output 128 [2018-11-02 10:27:58,588 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-11-02 10:27:59,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 105 [2018-11-02 10:27:59,369 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:59,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 102 [2018-11-02 10:27:59,375 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-02 10:27:59,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 101 [2018-11-02 10:27:59,379 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:00,141 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:00,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 91 [2018-11-02 10:28:00,146 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:00,951 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:00,957 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:00,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 95 treesize of output 123 [2018-11-02 10:28:00,994 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 5 xjuncts. [2018-11-02 10:28:01,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 95 [2018-11-02 10:28:01,870 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 3 xjuncts. [2018-11-02 10:28:02,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 53 [2018-11-02 10:28:02,786 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:02,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2018-11-02 10:28:02,791 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:02,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 43 [2018-11-02 10:28:02,796 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:04,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 107 [2018-11-02 10:28:04,089 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:04,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 80 [2018-11-02 10:28:04,357 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:04,847 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:04,850 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2018-11-02 10:28:04,851 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,055 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:05,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-11-02 10:28:05,060 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 74 [2018-11-02 10:28:05,208 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 90 [2018-11-02 10:28:05,343 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:05,506 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2018-11-02 10:28:05,506 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,566 INFO L267 ElimStorePlain]: Start of recursive call 2: 28 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 126 [2018-11-02 10:28:05,701 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:05,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2018-11-02 10:28:05,703 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-11-02 10:28:05,734 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,763 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:05,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 25 [2018-11-02 10:28:05,799 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2018-11-02 10:28:05,832 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,839 INFO L267 ElimStorePlain]: Start of recursive call 29: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,900 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:05,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 129 [2018-11-02 10:28:05,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2018-11-02 10:28:05,916 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,953 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:05,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 23 [2018-11-02 10:28:05,957 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2018-11-02 10:28:05,978 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:05,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-11-02 10:28:05,995 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:06,004 INFO L267 ElimStorePlain]: Start of recursive call 34: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:06,026 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:06,026 INFO L202 ElimStorePlain]: Needed 38 recursive calls to eliminate 16 variables, input treesize:658, output treesize:8 [2018-11-02 10:28:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:28:06,258 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:28:06,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 31] total 50 [2018-11-02 10:28:06,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-11-02 10:28:06,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-11-02 10:28:06,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2223, Unknown=3, NotChecked=0, Total=2450 [2018-11-02 10:28:06,259 INFO L87 Difference]: Start difference. First operand 257 states and 278 transitions. Second operand 50 states. [2018-11-02 10:28:07,643 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2018-11-02 10:28:09,781 WARN L179 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2018-11-02 10:28:11,178 WARN L179 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 125 DAG size of output: 112 [2018-11-02 10:28:11,441 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2018-11-02 10:28:11,765 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2018-11-02 10:28:12,427 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2018-11-02 10:28:13,275 WARN L179 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 116 [2018-11-02 10:28:13,692 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 119 [2018-11-02 10:28:14,287 WARN L179 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 171 [2018-11-02 10:28:14,706 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2018-11-02 10:28:15,198 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2018-11-02 10:28:16,886 WARN L179 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 199 [2018-11-02 10:28:17,637 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 152 [2018-11-02 10:28:20,013 WARN L179 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 155 [2018-11-02 10:28:20,454 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 157 [2018-11-02 10:28:21,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:28:21,278 INFO L93 Difference]: Finished difference Result 288 states and 305 transitions. [2018-11-02 10:28:21,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-02 10:28:21,282 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 76 [2018-11-02 10:28:21,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:28:21,284 INFO L225 Difference]: With dead ends: 288 [2018-11-02 10:28:21,284 INFO L226 Difference]: Without dead ends: 258 [2018-11-02 10:28:21,285 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1753 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=999, Invalid=6607, Unknown=50, NotChecked=0, Total=7656 [2018-11-02 10:28:21,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-11-02 10:28:21,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 205. [2018-11-02 10:28:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-02 10:28:21,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 221 transitions. [2018-11-02 10:28:21,288 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 221 transitions. Word has length 76 [2018-11-02 10:28:21,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:28:21,289 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 221 transitions. [2018-11-02 10:28:21,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-11-02 10:28:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 221 transitions. [2018-11-02 10:28:21,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-02 10:28:21,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:28:21,289 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-02 10:28:21,290 INFO L424 AbstractCegarLoop]: === Iteration 39 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:28:21,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:28:21,290 INFO L82 PathProgramCache]: Analyzing trace with hash -744442508, now seen corresponding path program 1 times [2018-11-02 10:28:21,290 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:28:21,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:28:21,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:28:21,291 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-02 10:28:21,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:28:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:28:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:28:22,116 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:28:22,116 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:28:22,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:28:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:28:22,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:28:22,256 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:22,259 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:22,259 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 11 treesize of output 4 [2018-11-02 10:28:22,259 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,266 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,266 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-11-02 10:28:22,299 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 [2018-11-02 10:28:22,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:22,302 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,305 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,319 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 [2018-11-02 10:28:22,321 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 [2018-11-02 10:28:22,321 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,325 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,334 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,335 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-11-02 10:28:22,435 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:22,452 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-02 10:28:22,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 11 [2018-11-02 10:28:22,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,467 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,490 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2018-11-02 10:28:22,512 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 15 [2018-11-02 10:28:22,512 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,524 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,540 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,540 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:57, output treesize:57 [2018-11-02 10:28:22,585 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:22,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:22,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 17 treesize of output 21 [2018-11-02 10:28:22,589 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,609 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,610 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:66 [2018-11-02 10:28:22,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 47 treesize of output 46 [2018-11-02 10:28:22,672 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:22,674 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 20 treesize of output 31 [2018-11-02 10:28:22,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,688 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 60 [2018-11-02 10:28:22,733 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:22,735 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 24 treesize of output 39 [2018-11-02 10:28:22,736 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,754 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,783 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:22,784 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:97, output treesize:83 [2018-11-02 10:28:22,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 104 [2018-11-02 10:28:22,985 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 106 treesize of output 105 [2018-11-02 10:28:22,986 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:23,070 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:23,087 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 2 case distinctions, treesize of input 70 treesize of output 83 [2018-11-02 10:28:23,088 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:28:23,153 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:28:23,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 139 [2018-11-02 10:28:23,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 118 [2018-11-02 10:28:23,246 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:23,322 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 96 treesize of output 95 [2018-11-02 10:28:23,322 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:23,363 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:23,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2018-11-02 10:28:23,374 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:23,375 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 22 treesize of output 37 [2018-11-02 10:28:23,375 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:23,396 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:23,454 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 2 xjuncts. [2018-11-02 10:28:23,454 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:129, output treesize:194 [2018-11-02 10:28:23,631 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:23,642 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:23,660 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:23,661 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 95 treesize of output 111 [2018-11-02 10:28:23,662 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:23,773 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:23,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:23,780 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:23,782 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:23,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 146 [2018-11-02 10:28:23,784 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:23,879 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 2 xjuncts. [2018-11-02 10:28:23,880 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:216, output treesize:238 [2018-11-02 10:28:24,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 158 treesize of output 161 [2018-11-02 10:28:24,074 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:24,265 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:24,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 173 [2018-11-02 10:28:24,271 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:24,469 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:24,491 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 3 case distinctions, treesize of input 123 treesize of output 153 [2018-11-02 10:28:24,492 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-02 10:28:24,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:28:24,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 116 [2018-11-02 10:28:24,867 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:24,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 25 treesize of output 45 [2018-11-02 10:28:24,870 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:24,911 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:25,076 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 112 treesize of output 101 [2018-11-02 10:28:25,082 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:25,086 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 0 case distinctions, treesize of input 29 treesize of output 53 [2018-11-02 10:28:25,087 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:25,120 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:25,281 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 110 treesize of output 109 [2018-11-02 10:28:25,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-11-02 10:28:25,287 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:25,320 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:25,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 147 treesize of output 177 [2018-11-02 10:28:25,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 150 [2018-11-02 10:28:25,421 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:25,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 118 treesize of output 130 [2018-11-02 10:28:25,952 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-02 10:28:26,141 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:28:26,302 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-02 10:28:26,302 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 9 variables, input treesize:282, output treesize:328 [2018-11-02 10:28:26,794 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:26,796 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:26,808 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 154 treesize of output 163 [2018-11-02 10:28:26,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:26,812 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:26,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:27,052 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:27,055 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:27,066 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 141 treesize of output 137 [2018-11-02 10:28:27,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:27,071 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:27,100 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:27,262 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:27,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 125 treesize of output 126 [2018-11-02 10:28:27,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:27,272 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:27,299 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:27,434 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:27,436 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:27,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 229 treesize of output 222 [2018-11-02 10:28:27,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:27,482 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:27,528 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:27,658 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:27,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 205 [2018-11-02 10:28:27,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:27,674 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:27,717 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:27,839 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:27,842 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:27,851 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 150 treesize of output 146 [2018-11-02 10:28:27,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:27,855 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:27,891 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:28,010 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-02 10:28:28,010 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 7 variables, input treesize:525, output treesize:453 [2018-11-02 10:28:28,212 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-11-02 10:28:28,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 244 [2018-11-02 10:28:28,255 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:28,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 59 [2018-11-02 10:28:28,260 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:28,315 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:28,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 277 [2018-11-02 10:28:28,533 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:28,537 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 28 treesize of output 47 [2018-11-02 10:28:28,537 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:28,588 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:28,800 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 186 [2018-11-02 10:28:28,805 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:28,808 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 40 treesize of output 59 [2018-11-02 10:28:28,809 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:28,858 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:29,043 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 173 [2018-11-02 10:28:29,049 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:29,053 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 40 treesize of output 59 [2018-11-02 10:28:29,053 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:29,090 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:29,256 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 225 treesize of output 199 [2018-11-02 10:28:29,260 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:29,263 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 28 treesize of output 47 [2018-11-02 10:28:29,264 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:29,302 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:29,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 186 [2018-11-02 10:28:29,464 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:29,467 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 28 treesize of output 47 [2018-11-02 10:28:29,468 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:29,501 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:29,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-11-02 10:28:29,635 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 10 variables, input treesize:786, output treesize:690 [2018-11-02 10:28:29,862 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-11-02 10:28:30,086 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-11-02 10:28:30,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 298 treesize of output 256 [2018-11-02 10:28:30,120 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 5 treesize of output 1 [2018-11-02 10:28:30,120 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:30,169 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:30,173 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 13 treesize of output 6 [2018-11-02 10:28:30,173 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:30,219 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 182 treesize of output 153 [2018-11-02 10:28:30,220 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:30,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:30,396 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 223 treesize of output 182 [2018-11-02 10:28:30,400 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 9 treesize of output 1 [2018-11-02 10:28:30,400 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:30,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:30,440 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 13 treesize of output 6 [2018-11-02 10:28:30,440 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:30,473 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 119 treesize of output 98 [2018-11-02 10:28:30,474 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:30,501 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:30,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 177 [2018-11-02 10:28:30,623 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 123 treesize of output 102 [2018-11-02 10:28:30,624 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:30,660 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:30,664 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 13 treesize of output 6 [2018-11-02 10:28:30,664 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:30,693 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:30,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 3 dim-2 vars, End of recursive call: 10 dim-0 vars, and 3 xjuncts. [2018-11-02 10:28:30,795 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 13 variables, input treesize:732, output treesize:441 [2018-11-02 10:28:31,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 103 [2018-11-02 10:28:31,253 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:31,256 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 93 treesize of output 85 [2018-11-02 10:28:31,257 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:31,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2018-11-02 10:28:31,352 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:31,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 50 [2018-11-02 10:28:31,414 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:31,472 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 50 treesize of output 45 [2018-11-02 10:28:31,472 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:31,530 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:31,534 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 85 treesize of output 77 [2018-11-02 10:28:31,534 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:31,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 63 [2018-11-02 10:28:31,601 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-02 10:28:31,702 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-11-02 10:28:31,703 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:31,707 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2018-11-02 10:28:31,708 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:31,748 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-11-02 10:28:31,749 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:32,463 INFO L267 ElimStorePlain]: Start of recursive call 2: 7 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2018-11-02 10:28:32,637 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 130 treesize of output 71 [2018-11-02 10:28:32,641 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:32,643 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 6 [2018-11-02 10:28:32,644 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:32,663 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 29 treesize of output 22 [2018-11-02 10:28:32,663 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:32,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2018-11-02 10:28:32,682 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:32,696 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:32,850 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 126 treesize of output 69 [2018-11-02 10:28:32,854 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-02 10:28:32,854 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:32,879 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 39 treesize of output 33 [2018-11-02 10:28:32,880 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:32,898 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:32,902 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 38 treesize of output 20 [2018-11-02 10:28:32,902 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:32,915 INFO L267 ElimStorePlain]: Start of recursive call 16: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:33,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 3 dim-2 vars, End of recursive call: 15 dim-0 vars, and 6 xjuncts. [2018-11-02 10:28:33,048 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 13 variables, input treesize:432, output treesize:228 [2018-11-02 10:28:33,379 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:28:33,398 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:28:33,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 47 [2018-11-02 10:28:33,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-11-02 10:28:33,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-11-02 10:28:33,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=2046, Unknown=1, NotChecked=0, Total=2256 [2018-11-02 10:28:33,400 INFO L87 Difference]: Start difference. First operand 205 states and 221 transitions. Second operand 48 states. [2018-11-02 10:28:34,091 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-02 10:28:34,746 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2018-11-02 10:28:34,991 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2018-11-02 10:28:35,194 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2018-11-02 10:28:35,777 WARN L179 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2018-11-02 10:28:36,008 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2018-11-02 10:28:36,338 WARN L179 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2018-11-02 10:28:36,648 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2018-11-02 10:28:36,962 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2018-11-02 10:28:37,272 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2018-11-02 10:28:37,555 WARN L179 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-11-02 10:28:37,852 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2018-11-02 10:28:38,214 WARN L179 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-11-02 10:28:38,536 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2018-11-02 10:28:39,204 WARN L179 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 102 [2018-11-02 10:28:39,991 WARN L179 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 96 [2018-11-02 10:28:41,162 WARN L179 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 196 [2018-11-02 10:28:41,843 WARN L179 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2018-11-02 10:28:42,642 WARN L179 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 196 [2018-11-02 10:28:42,995 WARN L179 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 96 [2018-11-02 10:28:43,390 WARN L179 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2018-11-02 10:28:44,637 WARN L179 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2018-11-02 10:28:45,414 WARN L179 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2018-11-02 10:28:45,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:28:45,690 INFO L93 Difference]: Finished difference Result 306 states and 326 transitions. [2018-11-02 10:28:45,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-11-02 10:28:45,693 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 78 [2018-11-02 10:28:45,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:28:45,695 INFO L225 Difference]: With dead ends: 306 [2018-11-02 10:28:45,695 INFO L226 Difference]: Without dead ends: 306 [2018-11-02 10:28:45,696 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2536 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=1083, Invalid=7284, Unknown=5, NotChecked=0, Total=8372 [2018-11-02 10:28:45,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-11-02 10:28:45,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 237. [2018-11-02 10:28:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-11-02 10:28:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 256 transitions. [2018-11-02 10:28:45,708 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 256 transitions. Word has length 78 [2018-11-02 10:28:45,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:28:45,708 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 256 transitions. [2018-11-02 10:28:45,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-11-02 10:28:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 256 transitions. [2018-11-02 10:28:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-02 10:28:45,712 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:28:45,713 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-02 10:28:45,713 INFO L424 AbstractCegarLoop]: === Iteration 40 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:28:45,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:28:45,713 INFO L82 PathProgramCache]: Analyzing trace with hash -744442507, now seen corresponding path program 1 times [2018-11-02 10:28:45,713 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:28:45,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:28:45,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:28:45,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:28:45,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:28:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:28:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:28:46,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:28:46,746 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:28:46,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:28:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:28:46,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:28:46,866 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:46,868 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:46,870 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 11 treesize of output 4 [2018-11-02 10:28:46,871 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:46,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:46,881 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-11-02 10:28:46,915 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 [2018-11-02 10:28:46,925 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 [2018-11-02 10:28:46,926 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:46,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:46,947 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 [2018-11-02 10:28:46,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:46,952 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:46,958 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:46,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:46,969 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-11-02 10:28:47,068 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:47,074 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2018-11-02 10:28:47,077 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 15 [2018-11-02 10:28:47,078 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,089 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,110 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:47,116 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2018-11-02 10:28:47,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 11 [2018-11-02 10:28:47,118 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,130 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,146 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,147 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:57, output treesize:57 [2018-11-02 10:28:47,193 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:47,196 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:47,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 17 treesize of output 21 [2018-11-02 10:28:47,198 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,219 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:66 [2018-11-02 10:28:47,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 60 [2018-11-02 10:28:47,296 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:47,299 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 24 treesize of output 39 [2018-11-02 10:28:47,300 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 60 treesize of output 59 [2018-11-02 10:28:47,373 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:47,376 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 20 treesize of output 31 [2018-11-02 10:28:47,376 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,392 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,421 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:97, output treesize:83 [2018-11-02 10:28:47,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 108 [2018-11-02 10:28:47,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 86 [2018-11-02 10:28:47,587 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,664 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 96 [2018-11-02 10:28:47,729 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 96 treesize of output 95 [2018-11-02 10:28:47,730 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:47,790 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:47,808 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 2 case distinctions, treesize of input 62 treesize of output 79 [2018-11-02 10:28:47,809 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-02 10:28:47,858 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:28:47,909 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 2 xjuncts. [2018-11-02 10:28:47,910 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:129, output treesize:190 [2018-11-02 10:28:48,039 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 94 treesize of output 93 [2018-11-02 10:28:48,039 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:48,043 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 123 treesize of output 122 [2018-11-02 10:28:48,043 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:48,130 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:48,135 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:48,137 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:48,139 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:48,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 114 [2018-11-02 10:28:48,143 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:48,228 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:48,230 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:48,233 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:48,235 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 93 treesize of output 86 [2018-11-02 10:28:48,235 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:48,319 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 2 xjuncts. [2018-11-02 10:28:48,319 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:218, output treesize:201 [2018-11-02 10:28:48,465 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:28:48,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 133 treesize of output 136 [2018-11-02 10:28:48,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 27 treesize of output 30 [2018-11-02 10:28:48,494 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:48,534 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:48,635 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:28:48,640 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 105 treesize of output 103 [2018-11-02 10:28:48,645 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:48,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 53 [2018-11-02 10:28:48,647 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:48,681 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:48,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 122 treesize of output 127 [2018-11-02 10:28:48,804 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:48,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 131 [2018-11-02 10:28:48,809 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:48,946 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:48,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 116 [2018-11-02 10:28:48,971 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-02 10:28:49,178 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:28:49,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 91 [2018-11-02 10:28:49,306 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:49,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 25 treesize of output 45 [2018-11-02 10:28:49,310 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:49,337 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:49,438 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-02 10:28:49,438 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 7 variables, input treesize:239, output treesize:320 [2018-11-02 10:28:49,907 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:49,909 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:49,918 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 142 treesize of output 138 [2018-11-02 10:28:49,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:49,923 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:49,955 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:50,130 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:50,133 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:50,142 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 155 treesize of output 151 [2018-11-02 10:28:50,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:50,147 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:50,177 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:50,317 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:50,325 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 139 treesize of output 140 [2018-11-02 10:28:50,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:50,329 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:50,356 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:50,481 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:50,483 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:50,491 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 138 treesize of output 147 [2018-11-02 10:28:50,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:50,495 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:50,522 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:50,656 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:50,660 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:50,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 211 treesize of output 208 [2018-11-02 10:28:50,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:50,684 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:50,726 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:50,844 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:50,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 183 treesize of output 187 [2018-11-02 10:28:50,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:28:50,867 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:50,901 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:51,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-02 10:28:51,004 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 7 variables, input treesize:509, output treesize:425 [2018-11-02 10:28:51,181 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-11-02 10:28:51,204 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 187 [2018-11-02 10:28:51,209 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:51,212 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 40 treesize of output 59 [2018-11-02 10:28:51,213 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:51,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:51,447 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 174 [2018-11-02 10:28:51,457 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:51,460 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 40 treesize of output 59 [2018-11-02 10:28:51,460 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:51,507 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:51,710 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 226 treesize of output 200 [2018-11-02 10:28:51,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:51,720 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 28 treesize of output 47 [2018-11-02 10:28:51,720 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:51,762 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:51,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 298 treesize of output 230 [2018-11-02 10:28:51,953 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:51,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 59 [2018-11-02 10:28:51,956 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:52,002 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:52,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 282 treesize of output 259 [2018-11-02 10:28:52,177 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:52,181 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 28 treesize of output 47 [2018-11-02 10:28:52,181 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:52,227 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:52,377 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 213 treesize of output 187 [2018-11-02 10:28:52,383 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:52,385 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 28 treesize of output 47 [2018-11-02 10:28:52,385 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:52,419 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:52,546 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-11-02 10:28:52,546 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 10 variables, input treesize:770, output treesize:674 [2018-11-02 10:28:53,609 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 240 treesize of output 159 [2018-11-02 10:28:53,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:53,620 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 95 treesize of output 80 [2018-11-02 10:28:53,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:53,656 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:53,660 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 64 treesize of output 38 [2018-11-02 10:28:53,660 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:53,686 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 44 [2018-11-02 10:28:53,686 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:53,710 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:53,839 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 76 treesize of output 58 [2018-11-02 10:28:53,844 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:53,847 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 13 treesize of output 6 [2018-11-02 10:28:53,847 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:53,868 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 29 treesize of output 16 [2018-11-02 10:28:53,868 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:53,885 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 16 treesize of output 3 [2018-11-02 10:28:53,885 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:53,896 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:54,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 296 treesize of output 202 [2018-11-02 10:28:54,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 182 [2018-11-02 10:28:54,033 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:54,136 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:54,139 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 182 treesize of output 170 [2018-11-02 10:28:54,140 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:54,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:54,241 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 178 treesize of output 166 [2018-11-02 10:28:54,241 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:54,333 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 164 treesize of output 159 [2018-11-02 10:28:54,333 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:54,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 96 [2018-11-02 10:28:54,417 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:54,497 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 152 [2018-11-02 10:28:54,498 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:54,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 152 treesize of output 133 [2018-11-02 10:28:54,594 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-02 10:28:54,779 INFO L267 ElimStorePlain]: Start of recursive call 10: 7 dim-1 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2018-11-02 10:28:55,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 80 [2018-11-02 10:28:55,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 72 treesize of output 57 [2018-11-02 10:28:55,023 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,089 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 57 treesize of output 45 [2018-11-02 10:28:55,090 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 76 treesize of output 67 [2018-11-02 10:28:55,155 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,214 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:55,218 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 67 treesize of output 61 [2018-11-02 10:28:55,219 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 55 treesize of output 50 [2018-11-02 10:28:55,274 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:55,329 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 45 treesize of output 39 [2018-11-02 10:28:55,330 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,371 INFO L267 ElimStorePlain]: Start of recursive call 18: 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 66 [2018-11-02 10:28:55,386 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:55,389 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 13 treesize of output 6 [2018-11-02 10:28:55,390 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,416 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 20 treesize of output 11 [2018-11-02 10:28:55,416 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,439 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 11 treesize of output 3 [2018-11-02 10:28:55,439 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,460 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 5 treesize of output 1 [2018-11-02 10:28:55,460 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,477 INFO L267 ElimStorePlain]: Start of recursive call 25: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 83 [2018-11-02 10:28:55,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 79 treesize of output 74 [2018-11-02 10:28:55,500 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 74 treesize of output 65 [2018-11-02 10:28:55,578 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,657 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 75 treesize of output 61 [2018-11-02 10:28:55,658 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 65 treesize of output 54 [2018-11-02 10:28:55,728 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,799 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:55,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 55 [2018-11-02 10:28:55,803 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 49 treesize of output 38 [2018-11-02 10:28:55,866 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,918 INFO L267 ElimStorePlain]: Start of recursive call 30: 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:55,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 84 [2018-11-02 10:28:55,940 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 80 treesize of output 65 [2018-11-02 10:28:55,941 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,017 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 65 treesize of output 60 [2018-11-02 10:28:56,017 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,091 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 60 treesize of output 53 [2018-11-02 10:28:56,092 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,162 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:56,166 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 53 treesize of output 47 [2018-11-02 10:28:56,167 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,234 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 76 treesize of output 61 [2018-11-02 10:28:56,234 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,297 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:56,301 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 61 treesize of output 55 [2018-11-02 10:28:56,302 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,359 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 49 treesize of output 37 [2018-11-02 10:28:56,360 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,395 INFO L267 ElimStorePlain]: Start of recursive call 37: 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,542 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 227 treesize of output 146 [2018-11-02 10:28:56,545 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 97 treesize of output 73 [2018-11-02 10:28:56,546 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,583 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2018-11-02 10:28:56,583 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:56,621 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:56,628 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 62 treesize of output 36 [2018-11-02 10:28:56,628 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,655 INFO L267 ElimStorePlain]: Start of recursive call 45: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:28:56,806 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 63 treesize of output 49 [2018-11-02 10:28:56,810 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 20 treesize of output 11 [2018-11-02 10:28:56,810 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,839 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 11 treesize of output 3 [2018-11-02 10:28:56,839 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,860 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:28:56,863 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 13 treesize of output 6 [2018-11-02 10:28:56,863 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,879 INFO L267 ElimStorePlain]: Start of recursive call 49: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:28:56,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 6 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:28:56,991 INFO L202 ElimStorePlain]: Needed 52 recursive calls to eliminate 16 variables, input treesize:764, output treesize:35 [2018-11-02 10:28:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:28:57,178 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:28:57,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 45 [2018-11-02 10:28:57,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-11-02 10:28:57,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-11-02 10:28:57,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1895, Unknown=1, NotChecked=0, Total=2070 [2018-11-02 10:28:57,179 INFO L87 Difference]: Start difference. First operand 237 states and 256 transitions. Second operand 46 states. [2018-11-02 10:28:58,411 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2018-11-02 10:28:58,821 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2018-11-02 10:28:59,018 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2018-11-02 10:28:59,323 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2018-11-02 10:28:59,625 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2018-11-02 10:28:59,989 WARN L179 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2018-11-02 10:29:00,345 WARN L179 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2018-11-02 10:29:00,611 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2018-11-02 10:29:00,921 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2018-11-02 10:29:01,292 WARN L179 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-11-02 10:29:01,670 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2018-11-02 10:29:02,416 WARN L179 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2018-11-02 10:29:03,082 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 97 [2018-11-02 10:29:04,218 WARN L179 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 189 [2018-11-02 10:29:04,798 WARN L179 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 219 [2018-11-02 10:29:05,531 WARN L179 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 224 [2018-11-02 10:29:05,863 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2018-11-02 10:29:06,221 WARN L179 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2018-11-02 10:29:06,791 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2018-11-02 10:29:07,469 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-11-02 10:29:07,850 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2018-11-02 10:29:08,220 WARN L179 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2018-11-02 10:29:08,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:29:08,569 INFO L93 Difference]: Finished difference Result 312 states and 331 transitions. [2018-11-02 10:29:08,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-02 10:29:08,573 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 78 [2018-11-02 10:29:08,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:29:08,575 INFO L225 Difference]: With dead ends: 312 [2018-11-02 10:29:08,575 INFO L226 Difference]: Without dead ends: 312 [2018-11-02 10:29:08,575 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 61 SyntacticMatches, 4 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2324 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=873, Invalid=6603, Unknown=6, NotChecked=0, Total=7482 [2018-11-02 10:29:08,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2018-11-02 10:29:08,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 235. [2018-11-02 10:29:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-11-02 10:29:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 253 transitions. [2018-11-02 10:29:08,579 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 253 transitions. Word has length 78 [2018-11-02 10:29:08,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:29:08,580 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 253 transitions. [2018-11-02 10:29:08,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-11-02 10:29:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 253 transitions. [2018-11-02 10:29:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-02 10:29:08,581 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:29:08,581 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-02 10:29:08,581 INFO L424 AbstractCegarLoop]: === Iteration 41 === [mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr28REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-02 10:29:08,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:29:08,581 INFO L82 PathProgramCache]: Analyzing trace with hash -545918086, now seen corresponding path program 2 times [2018-11-02 10:29:08,582 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-02 10:29:08,582 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-02 10:29:08,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:29:08,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:29:08,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-02 10:29:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:29:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:29:09,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-02 10:29:09,501 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:29:09,516 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-02 10:29:09,564 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-02 10:29:09,564 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-02 10:29:09,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:29:09,576 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:09,579 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:09,581 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 11 treesize of output 4 [2018-11-02 10:29:09,581 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,591 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-11-02 10:29:09,628 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 13 treesize of output 10 [2018-11-02 10:29:09,631 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 10 treesize of output 9 [2018-11-02 10:29:09,632 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,636 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,643 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,644 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-02 10:29:09,731 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 0 case distinctions, treesize of input 34 treesize of output 28 [2018-11-02 10:29:09,734 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 14 treesize of output 13 [2018-11-02 10:29:09,735 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,742 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,751 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. [2018-11-02 10:29:09,751 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:42, output treesize:32 [2018-11-02 10:29:09,848 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:09,850 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:09,853 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 11 treesize of output 4 [2018-11-02 10:29:09,853 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,869 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. [2018-11-02 10:29:09,869 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:40 [2018-11-02 10:29:09,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 42 [2018-11-02 10:29:09,932 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:09,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 47 [2018-11-02 10:29:09,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,947 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,970 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 [2018-11-02 10:29:09,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:29:09,975 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,979 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:09,999 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:29:09,999 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:64, output treesize:53 [2018-11-02 10:29:10,211 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:10,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 69 [2018-11-02 10:29:10,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 53 [2018-11-02 10:29:10,247 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:10,296 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 43 treesize of output 42 [2018-11-02 10:29:10,296 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:10,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:10,347 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-02 10:29:10,352 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 11 [2018-11-02 10:29:10,352 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:10,361 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:10,382 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. [2018-11-02 10:29:10,382 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:76, output treesize:68 [2018-11-02 10:29:10,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 42 [2018-11-02 10:29:10,551 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:10,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-02 10:29:10,555 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:10,566 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:10,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 92 [2018-11-02 10:29:10,630 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:10,644 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 2 case distinctions, treesize of input 75 treesize of output 90 [2018-11-02 10:29:10,645 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:10,727 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:10,730 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 70 treesize of output 77 [2018-11-02 10:29:10,730 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:10,795 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:29:10,848 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 2 xjuncts. [2018-11-02 10:29:10,848 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:94, output treesize:167 [2018-11-02 10:29:10,997 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:10,999 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:11,001 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 11 treesize of output 4 [2018-11-02 10:29:11,001 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:11,025 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. [2018-11-02 10:29:11,026 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:95, output treesize:89 [2018-11-02 10:29:11,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 43 [2018-11-02 10:29:11,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:11,130 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 0 case distinctions, treesize of input 25 treesize of output 31 [2018-11-02 10:29:11,131 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:11,147 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:11,208 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 97 [2018-11-02 10:29:11,213 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:11,218 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 89 treesize of output 91 [2018-11-02 10:29:11,219 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:11,301 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:11,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 74 [2018-11-02 10:29:11,323 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:11,381 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:29:11,432 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 2 xjuncts. [2018-11-02 10:29:11,432 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:111, output treesize:137 [2018-11-02 10:29:11,805 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:11,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 165 [2018-11-02 10:29:11,858 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 135 treesize of output 150 [2018-11-02 10:29:11,859 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:12,027 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 122 treesize of output 121 [2018-11-02 10:29:12,027 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:12,136 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:29:12,294 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:12,298 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:12,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 179 [2018-11-02 10:29:12,340 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 154 treesize of output 153 [2018-11-02 10:29:12,341 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:12,478 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 119 treesize of output 136 [2018-11-02 10:29:12,479 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:12,562 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:29:12,723 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:12,727 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:12,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 124 [2018-11-02 10:29:12,757 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 132 treesize of output 131 [2018-11-02 10:29:12,757 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:12,852 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:12,856 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:12,876 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 4 case distinctions, treesize of input 89 treesize of output 127 [2018-11-02 10:29:12,878 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2018-11-02 10:29:12,987 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:29:12,992 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:12,994 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:13,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 94 [2018-11-02 10:29:13,042 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:13,044 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:13,049 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 0 case distinctions, treesize of input 45 treesize of output 71 [2018-11-02 10:29:13,050 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:13,078 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:13,268 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:13,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 121 treesize of output 140 [2018-11-02 10:29:13,332 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 140 treesize of output 139 [2018-11-02 10:29:13,332 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:13,731 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:13,738 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:13,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 141 [2018-11-02 10:29:13,776 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 8 xjuncts. [2018-11-02 10:29:14,013 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:14,018 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:14,040 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 103 treesize of output 130 [2018-11-02 10:29:14,042 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 4 xjuncts. [2018-11-02 10:29:14,235 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-02 10:29:14,240 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:14,243 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:14,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 116 treesize of output 118 [2018-11-02 10:29:14,283 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:14,286 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 0 case distinctions, treesize of input 110 treesize of output 118 [2018-11-02 10:29:14,287 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:14,408 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:14,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 104 [2018-11-02 10:29:14,428 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:14,543 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:29:14,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 9 xjuncts. [2018-11-02 10:29:14,878 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 7 variables, input treesize:235, output treesize:836 [2018-11-02 10:29:15,324 WARN L179 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 91 [2018-11-02 10:29:15,589 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-11-02 10:29:15,599 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:15,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 137 treesize of output 189 [2018-11-02 10:29:15,645 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:15,647 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 164 treesize of output 179 [2018-11-02 10:29:15,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:15,778 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:15,801 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 131 treesize of output 164 [2018-11-02 10:29:15,804 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:15,904 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:29:16,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 113 [2018-11-02 10:29:16,307 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:16,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:16,310 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:16,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 105 treesize of output 130 [2018-11-02 10:29:16,316 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:16,433 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:16,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:16,440 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:16,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 119 [2018-11-02 10:29:16,463 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:16,565 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:29:16,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 116 [2018-11-02 10:29:17,001 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:17,005 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 0 case distinctions, treesize of input 27 treesize of output 31 [2018-11-02 10:29:17,006 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:17,041 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:17,468 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:17,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 106 treesize of output 121 [2018-11-02 10:29:17,506 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:17,510 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 0 case distinctions, treesize of input 113 treesize of output 109 [2018-11-02 10:29:17,510 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:17,627 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:17,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 110 [2018-11-02 10:29:17,654 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 3 xjuncts. [2018-11-02 10:29:17,782 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:29:18,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 181 [2018-11-02 10:29:18,254 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:18,256 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 158 treesize of output 173 [2018-11-02 10:29:18,257 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:18,419 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:18,437 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 139 treesize of output 172 [2018-11-02 10:29:18,439 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:18,561 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:29:19,057 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:19,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 147 treesize of output 158 [2018-11-02 10:29:19,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:19,135 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:19,141 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:19,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 10 case distinctions, treesize of input 124 treesize of output 177 [2018-11-02 10:29:19,196 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 16 xjuncts. [2018-11-02 10:29:19,953 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:19,957 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 142 treesize of output 149 [2018-11-02 10:29:19,958 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:20,456 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:20,470 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 2 case distinctions, treesize of input 139 treesize of output 154 [2018-11-02 10:29:20,471 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:20,905 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:20,910 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:20,915 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:20,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 121 treesize of output 162 [2018-11-02 10:29:20,948 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 4 xjuncts. [2018-11-02 10:29:21,381 INFO L267 ElimStorePlain]: Start of recursive call 16: 4 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-02 10:29:21,397 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:21,399 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:21,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 136 [2018-11-02 10:29:21,444 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:21,446 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:21,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 143 [2018-11-02 10:29:21,452 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:21,598 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:21,601 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:21,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 134 [2018-11-02 10:29:21,625 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:21,730 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:29:22,585 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:22,587 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:22,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 116 [2018-11-02 10:29:22,602 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:22,604 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:22,605 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:22,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 83 [2018-11-02 10:29:22,611 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:22,645 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:22,651 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:22,655 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:22,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 146 [2018-11-02 10:29:22,687 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:22,691 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 170 treesize of output 177 [2018-11-02 10:29:22,691 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:22,844 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:22,849 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:22,853 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:22,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 107 treesize of output 156 [2018-11-02 10:29:22,887 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 4 xjuncts. [2018-11-02 10:29:23,047 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:29:23,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 104 [2018-11-02 10:29:23,817 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:23,819 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 22 treesize of output 35 [2018-11-02 10:29:23,819 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:23,855 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:23,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 95 [2018-11-02 10:29:23,873 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:23,875 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 22 treesize of output 35 [2018-11-02 10:29:23,875 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:23,903 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:24,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 8 dim-2 vars, End of recursive call: 11 dim-0 vars, and 16 xjuncts. [2018-11-02 10:29:24,618 INFO L202 ElimStorePlain]: Needed 32 recursive calls to eliminate 17 variables, input treesize:504, output treesize:1621 [2018-11-02 10:29:25,256 WARN L179 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 82 [2018-11-02 10:29:25,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 132 [2018-11-02 10:29:25,528 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:25,531 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 0 case distinctions, treesize of input 103 treesize of output 104 [2018-11-02 10:29:25,531 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:25,680 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 116 treesize of output 115 [2018-11-02 10:29:25,681 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:25,735 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:25,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 115 treesize of output 149 [2018-11-02 10:29:25,983 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-02 10:29:26,000 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 0 case distinctions, treesize of input 127 treesize of output 128 [2018-11-02 10:29:26,000 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:26,615 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 112 treesize of output 111 [2018-11-02 10:29:26,616 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:27,196 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:27,264 INFO L303 Elim1Store]: Index analysis took 107 ms [2018-11-02 10:29:27,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 98 [2018-11-02 10:29:27,269 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:29:27,656 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:29:28,165 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:29:28,837 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:29:29,009 INFO L267 ElimStorePlain]: Start of recursive call 5: 13 dim-1 vars, End of recursive call: 4 dim-0 vars, and 5 xjuncts. [2018-11-02 10:29:29,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 191 treesize of output 229 [2018-11-02 10:29:29,495 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:29,499 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 0 case distinctions, treesize of input 173 treesize of output 174 [2018-11-02 10:29:29,500 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:30,142 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:30,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 132 treesize of output 163 [2018-11-02 10:29:30,184 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2018-11-02 10:29:30,588 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 186 treesize of output 185 [2018-11-02 10:29:30,589 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:30,835 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 195 treesize of output 218 [2018-11-02 10:29:30,837 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:30,998 INFO L267 ElimStorePlain]: Start of recursive call 12: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:29:31,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 134 [2018-11-02 10:29:31,627 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:31,630 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:31,631 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:31,633 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:31,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 68 [2018-11-02 10:29:31,642 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:31,690 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:31,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 167 [2018-11-02 10:29:31,715 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 111 treesize of output 121 [2018-11-02 10:29:31,716 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:31,758 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:29:31,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 185 treesize of output 173 [2018-11-02 10:29:31,838 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-02 10:29:31,858 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-02 10:29:31,858 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:34,279 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:29:35,652 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:35,655 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:35,658 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:35,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 133 treesize of output 153 [2018-11-02 10:29:35,672 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:29:36,396 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:36,401 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:36,404 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:36,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 122 treesize of output 188 [2018-11-02 10:29:36,426 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 4 xjuncts. [2018-11-02 10:29:37,138 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:37,143 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 0 case distinctions, treesize of input 138 treesize of output 146 [2018-11-02 10:29:37,144 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:37,999 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 168 treesize of output 167 [2018-11-02 10:29:37,999 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:38,251 INFO L267 ElimStorePlain]: Start of recursive call 21: 4 dim-0 vars, 10 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-02 10:29:39,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 181 treesize of output 233 [2018-11-02 10:29:39,118 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:39,123 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 0 case distinctions, treesize of input 181 treesize of output 182 [2018-11-02 10:29:39,123 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:39,791 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 178 treesize of output 177 [2018-11-02 10:29:39,791 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-02 10:29:40,066 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 191 treesize of output 212 [2018-11-02 10:29:40,067 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2018-11-02 10:29:40,255 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:40,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 142 treesize of output 173 [2018-11-02 10:29:40,299 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 4 xjuncts. [2018-11-02 10:29:40,507 INFO L267 ElimStorePlain]: Start of recursive call 28: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:29:41,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 197 [2018-11-02 10:29:41,732 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-02 10:29:41,813 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:41,815 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:41,827 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:29:41,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 154 treesize of output 193 [2018-11-02 10:29:41,854 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 4 xjuncts. [2018-11-02 10:29:50,745 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:50,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:50,757 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:29:50,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 138 treesize of output 168 [2018-11-02 10:29:50,778 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-02 10:29:52,923 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:30:07,528 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:30:11,172 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:30:13,015 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:30:18,586 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:30:24,148 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:30:25,957 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 174 treesize of output 173 [2018-11-02 10:30:25,957 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-02 10:30:27,383 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:30:29,958 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:30:29,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 138 [2018-11-02 10:30:29,965 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:30:33,772 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:30:35,105 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:30:35,109 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:30:35,118 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:30:35,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 123 treesize of output 184 [2018-11-02 10:30:35,154 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 4 xjuncts. [2018-11-02 10:30:38,608 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:30:42,076 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:30:42,081 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:30:42,084 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:30:42,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 155 treesize of output 175 [2018-11-02 10:30:42,101 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:30:43,288 INFO L267 ElimStorePlain]: Start of recursive call 33: 37 dim-1 vars, End of recursive call: 12 dim-0 vars, and 16 xjuncts. [2018-11-02 10:30:43,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 202 treesize of output 176 [2018-11-02 10:30:43,351 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 165 treesize of output 169 [2018-11-02 10:30:43,352 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-02 10:30:43,537 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:30:43,542 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:30:43,555 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 2 case distinctions, treesize of input 138 treesize of output 175 [2018-11-02 10:30:43,556 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 2 xjuncts. [2018-11-02 10:30:43,734 INFO L267 ElimStorePlain]: Start of recursive call 49: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:30:43,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 149 treesize of output 153 [2018-11-02 10:30:43,792 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:30:43,795 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:30:43,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 153 [2018-11-02 10:30:43,803 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-02 10:30:44,116 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:30:44,117 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:30:44,133 INFO L303 Elim1Store]: Index analysis took 142 ms [2018-11-02 10:30:44,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 111 treesize of output 137 [2018-11-02 10:30:44,150 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2018-11-02 10:30:44,341 INFO L267 ElimStorePlain]: Start of recursive call 52: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:30:47,851 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 6 dim-2 vars, End of recursive call: 99 dim-0 vars, and 34 xjuncts. [2018-11-02 10:30:47,852 INFO L202 ElimStorePlain]: Needed 54 recursive calls to eliminate 16 variables, input treesize:492, output treesize:5127 [2018-11-02 10:31:31,543 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-02 10:31:31,745 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-02 10:31:31,746 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:150) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:354) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 45 more [2018-11-02 10:31:31,755 INFO L168 Benchmark]: Toolchain (without parser) took 394440.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 953.2 MB in the beginning and 733.2 MB in the end (delta: 220.0 MB). Peak memory consumption was 339.6 MB. Max. memory is 11.5 GB. [2018-11-02 10:31:31,756 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-02 10:31:31,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.27 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 926.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-02 10:31:31,756 INFO L168 Benchmark]: Boogie Preprocessor took 179.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 926.4 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-02 10:31:31,756 INFO L168 Benchmark]: RCFGBuilder took 1251.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. [2018-11-02 10:31:31,757 INFO L168 Benchmark]: TraceAbstraction took 392325.35 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.5 MB). Free memory was 1.0 GB in the beginning and 733.2 MB in the end (delta: 270.6 MB). Peak memory consumption was 303.1 MB. Max. memory is 11.5 GB. [2018-11-02 10:31:31,764 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 675.27 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 926.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 179.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 926.4 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1251.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 392325.35 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.5 MB). Free memory was 1.0 GB in the beginning and 733.2 MB in the end (delta: 270.6 MB). Peak memory consumption was 303.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-7df24a1 [2018-11-02 10:31:33,844 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-02 10:31:33,846 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-02 10:31:33,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-02 10:31:33,868 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-02 10:31:33,869 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-02 10:31:33,872 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-02 10:31:33,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-02 10:31:33,877 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-02 10:31:33,878 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-02 10:31:33,879 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-02 10:31:33,879 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-02 10:31:33,880 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-02 10:31:33,881 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-02 10:31:33,882 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-02 10:31:33,883 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-02 10:31:33,884 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-02 10:31:33,886 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-02 10:31:33,888 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-02 10:31:33,889 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-02 10:31:33,890 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-02 10:31:33,892 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-02 10:31:33,894 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-02 10:31:33,894 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-02 10:31:33,895 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-02 10:31:33,895 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-02 10:31:33,896 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-02 10:31:33,897 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-02 10:31:33,898 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-02 10:31:33,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-02 10:31:33,900 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-02 10:31:33,900 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-02 10:31:33,901 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-02 10:31:33,901 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-02 10:31:33,902 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-02 10:31:33,903 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-02 10:31:33,903 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2018-11-02 10:31:33,918 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-02 10:31:33,918 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-02 10:31:33,920 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-02 10:31:33,920 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-02 10:31:33,920 INFO L133 SettingsManager]: * Use SBE=true [2018-11-02 10:31:33,920 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-02 10:31:33,920 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-02 10:31:33,921 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-02 10:31:33,921 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-02 10:31:33,921 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-02 10:31:33,921 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-02 10:31:33,921 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-02 10:31:33,922 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-02 10:31:33,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-02 10:31:33,922 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-02 10:31:33,922 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-02 10:31:33,922 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-02 10:31:33,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-02 10:31:33,923 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-02 10:31:33,923 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-02 10:31:33,923 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-02 10:31:33,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-02 10:31:33,924 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-02 10:31:33,924 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-02 10:31:33,924 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-02 10:31:33,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-02 10:31:33,924 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-02 10:31:33,925 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc [2018-11-02 10:31:33,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-02 10:31:33,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-02 10:31:33,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-02 10:31:33,996 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-02 10:31:33,997 INFO L276 PluginConnector]: CDTParser initialized [2018-11-02 10:31:33,998 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp-fix-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-02 10:31:34,055 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5063441c7/47be30536a5741f39e1628b63b4f4800/FLAGcd198d4c5 [2018-11-02 10:31:34,552 INFO L298 CDTParser]: Found 1 translation units. [2018-11-02 10:31:34,553 INFO L158 CDTParser]: Scanning /storage/repos/svcomp-fix-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-02 10:31:34,566 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5063441c7/47be30536a5741f39e1628b63b4f4800/FLAGcd198d4c5 [2018-11-02 10:31:34,579 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5063441c7/47be30536a5741f39e1628b63b4f4800 [2018-11-02 10:31:34,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-02 10:31:34,585 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-02 10:31:34,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-02 10:31:34,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-02 10:31:34,590 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-02 10:31:34,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:31:34" (1/1) ... [2018-11-02 10:31:34,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d45386f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:31:34, skipping insertion in model container [2018-11-02 10:31:34,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:31:34" (1/1) ... [2018-11-02 10:31:34,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-02 10:31:34,660 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-02 10:31:35,079 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-02 10:31:35,099 INFO L189 MainTranslator]: Completed pre-run [2018-11-02 10:31:35,152 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-02 10:31:35,218 INFO L193 MainTranslator]: Completed translation [2018-11-02 10:31:35,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:31:35 WrapperNode [2018-11-02 10:31:35,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-02 10:31:35,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-02 10:31:35,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-02 10:31:35,221 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-02 10:31:35,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:31:35" (1/1) ... [2018-11-02 10:31:35,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:31:35" (1/1) ... [2018-11-02 10:31:35,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:31:35" (1/1) ... [2018-11-02 10:31:35,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:31:35" (1/1) ... [2018-11-02 10:31:35,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:31:35" (1/1) ... [2018-11-02 10:31:35,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:31:35" (1/1) ... [2018-11-02 10:31:35,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:31:35" (1/1) ... [2018-11-02 10:31:35,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-02 10:31:35,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-02 10:31:35,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-02 10:31:35,407 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-02 10:31:35,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:31:35" (1/1) ... No working directory specified, using /storage/repos/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 [2018-11-02 10:31:35,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-02 10:31:35,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-02 10:31:35,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-02 10:31:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-02 10:31:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-02 10:31:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-02 10:31:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-02 10:31:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-02 10:31:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-02 10:31:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-02 10:31:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-02 10:31:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-02 10:31:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-02 10:31:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-02 10:31:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-02 10:31:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-02 10:31:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-02 10:31:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-02 10:31:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-02 10:31:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-02 10:31:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-02 10:31:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-02 10:31:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-02 10:31:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-02 10:31:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-02 10:31:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-02 10:31:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-02 10:31:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-02 10:31:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-02 10:31:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-02 10:31:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-02 10:31:35,481 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-02 10:31:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-02 10:31:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-02 10:31:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-02 10:31:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-02 10:31:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-02 10:31:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-02 10:31:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-02 10:31:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-02 10:31:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-02 10:31:35,485 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-02 10:31:35,485 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-02 10:31:35,485 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-02 10:31:35,485 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-02 10:31:35,485 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-02 10:31:35,485 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-02 10:31:35,485 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-02 10:31:35,485 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-02 10:31:35,486 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-02 10:31:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-02 10:31:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-02 10:31:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-02 10:31:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-02 10:31:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-02 10:31:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-02 10:31:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-02 10:31:35,487 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-02 10:31:35,488 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-02 10:31:35,488 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-02 10:31:35,489 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-02 10:31:35,489 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-02 10:31:35,489 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-02 10:31:35,489 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-02 10:31:35,489 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-02 10:31:35,489 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-02 10:31:35,489 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-02 10:31:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-02 10:31:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-02 10:31:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-02 10:31:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-02 10:31:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-02 10:31:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-02 10:31:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-02 10:31:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-02 10:31:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-02 10:31:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-02 10:31:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-02 10:31:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-02 10:31:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-02 10:31:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-02 10:31:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-02 10:31:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-02 10:31:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-02 10:31:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-02 10:31:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-02 10:31:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-02 10:31:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-02 10:31:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-02 10:31:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-02 10:31:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-02 10:31:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-02 10:31:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-02 10:31:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-02 10:31:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-02 10:31:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-02 10:31:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-02 10:31:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-02 10:31:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-02 10:31:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-02 10:31:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-02 10:31:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-02 10:31:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-02 10:31:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-02 10:31:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-02 10:31:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-02 10:31:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-02 10:31:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-02 10:31:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-02 10:31:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-02 10:31:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-02 10:31:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-02 10:31:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-02 10:31:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-02 10:31:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-02 10:31:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-02 10:31:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-02 10:31:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-02 10:31:37,162 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-02 10:31:37,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:31:37 BoogieIcfgContainer [2018-11-02 10:31:37,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-02 10:31:37,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-02 10:31:37,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-02 10:31:37,167 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-02 10:31:37,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:31:34" (1/3) ... [2018-11-02 10:31:37,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761dbbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:31:37, skipping insertion in model container [2018-11-02 10:31:37,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:31:35" (2/3) ... [2018-11-02 10:31:37,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761dbbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:31:37, skipping insertion in model container [2018-11-02 10:31:37,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:31:37" (3/3) ... [2018-11-02 10:31:37,170 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-02 10:31:37,180 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-02 10:31:37,190 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 57 error locations. [2018-11-02 10:31:37,208 INFO L257 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2018-11-02 10:31:37,237 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-02 10:31:37,238 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-02 10:31:37,239 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-02 10:31:37,239 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-02 10:31:37,239 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-02 10:31:37,240 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-02 10:31:37,240 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-02 10:31:37,240 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-02 10:31:37,240 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-02 10:31:37,263 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2018-11-02 10:31:37,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-02 10:31:37,274 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:37,275 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:37,279 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:37,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:37,286 INFO L82 PathProgramCache]: Analyzing trace with hash 18861880, now seen corresponding path program 1 times [2018-11-02 10:31:37,292 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:37,293 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:37,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:37,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:37,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:31:37,503 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:37,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:37,532 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-02 10:31:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:37,667 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:37,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:37,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-02 10:31:37,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-02 10:31:37,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-02 10:31:37,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-02 10:31:37,704 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 4 states. [2018-11-02 10:31:39,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:39,025 INFO L93 Difference]: Finished difference Result 150 states and 160 transitions. [2018-11-02 10:31:39,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-02 10:31:39,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-02 10:31:39,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:39,041 INFO L225 Difference]: With dead ends: 150 [2018-11-02 10:31:39,042 INFO L226 Difference]: Without dead ends: 146 [2018-11-02 10:31:39,044 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:31:39,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-02 10:31:39,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 120. [2018-11-02 10:31:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-02 10:31:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 129 transitions. [2018-11-02 10:31:39,098 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 129 transitions. Word has length 8 [2018-11-02 10:31:39,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:39,098 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 129 transitions. [2018-11-02 10:31:39,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-02 10:31:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 129 transitions. [2018-11-02 10:31:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-02 10:31:39,099 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:39,099 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:39,101 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:39,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:39,101 INFO L82 PathProgramCache]: Analyzing trace with hash 18861881, now seen corresponding path program 1 times [2018-11-02 10:31:39,102 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:39,103 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:39,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:39,152 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:39,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:31:39,171 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:39,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:39,202 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-02 10:31:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:39,251 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:39,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:39,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-02 10:31:39,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-02 10:31:39,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-02 10:31:39,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-02 10:31:39,256 INFO L87 Difference]: Start difference. First operand 120 states and 129 transitions. Second operand 4 states. [2018-11-02 10:31:39,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:39,638 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2018-11-02 10:31:39,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-02 10:31:39,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-02 10:31:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:39,642 INFO L225 Difference]: With dead ends: 117 [2018-11-02 10:31:39,643 INFO L226 Difference]: Without dead ends: 117 [2018-11-02 10:31:39,644 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:31:39,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-02 10:31:39,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 112. [2018-11-02 10:31:39,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-02 10:31:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 121 transitions. [2018-11-02 10:31:39,656 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 121 transitions. Word has length 8 [2018-11-02 10:31:39,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:39,657 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 121 transitions. [2018-11-02 10:31:39,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-02 10:31:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 121 transitions. [2018-11-02 10:31:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-02 10:31:39,659 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:39,659 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:39,659 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:39,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:39,661 INFO L82 PathProgramCache]: Analyzing trace with hash 86897181, now seen corresponding path program 1 times [2018-11-02 10:31:39,661 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:39,662 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:39,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:39,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:39,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-11-02 10:31:39,763 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:39,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:39,772 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:11 [2018-11-02 10:31:39,838 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 [2018-11-02 10:31:39,853 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 [2018-11-02 10:31:39,854 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:39,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:39,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:39,892 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-02 10:31:39,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-11-02 10:31:39,955 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 17 treesize of output 5 [2018-11-02 10:31:39,955 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:39,980 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:40,054 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. [2018-11-02 10:31:40,054 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:13 [2018-11-02 10:31:40,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:40,091 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:40,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:40,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-02 10:31:40,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-02 10:31:40,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-02 10:31:40,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-02 10:31:40,097 INFO L87 Difference]: Start difference. First operand 112 states and 121 transitions. Second operand 6 states. [2018-11-02 10:31:41,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:41,673 INFO L93 Difference]: Finished difference Result 216 states and 232 transitions. [2018-11-02 10:31:41,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-02 10:31:41,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-11-02 10:31:41,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:41,678 INFO L225 Difference]: With dead ends: 216 [2018-11-02 10:31:41,678 INFO L226 Difference]: Without dead ends: 216 [2018-11-02 10:31:41,678 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-11-02 10:31:41,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-11-02 10:31:41,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 111. [2018-11-02 10:31:41,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-02 10:31:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 120 transitions. [2018-11-02 10:31:41,693 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 120 transitions. Word has length 14 [2018-11-02 10:31:41,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:41,693 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 120 transitions. [2018-11-02 10:31:41,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-02 10:31:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 120 transitions. [2018-11-02 10:31:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-02 10:31:41,695 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:41,695 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:41,695 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:41,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:41,696 INFO L82 PathProgramCache]: Analyzing trace with hash 86897182, now seen corresponding path program 1 times [2018-11-02 10:31:41,696 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:41,697 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:41,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:41,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:41,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:31:41,769 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:41,828 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:41,829 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-02 10:31:41,893 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 [2018-11-02 10:31:41,898 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 [2018-11-02 10:31:41,898 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:41,904 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:41,928 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 [2018-11-02 10:31:41,934 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 [2018-11-02 10:31:41,934 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:41,938 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:41,961 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:41,962 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:23 [2018-11-02 10:31:41,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-02 10:31:41,995 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 15 treesize of output 3 [2018-11-02 10:31:41,995 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:42,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:42,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-02 10:31:42,021 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 19 treesize of output 7 [2018-11-02 10:31:42,022 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:42,024 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:42,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:42,030 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:41, output treesize:11 [2018-11-02 10:31:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:42,050 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:42,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:42,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-02 10:31:42,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-02 10:31:42,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-02 10:31:42,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:31:42,053 INFO L87 Difference]: Start difference. First operand 111 states and 120 transitions. Second operand 5 states. [2018-11-02 10:31:43,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:43,066 INFO L93 Difference]: Finished difference Result 200 states and 216 transitions. [2018-11-02 10:31:43,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-02 10:31:43,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-02 10:31:43,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:43,070 INFO L225 Difference]: With dead ends: 200 [2018-11-02 10:31:43,070 INFO L226 Difference]: Without dead ends: 200 [2018-11-02 10:31:43,070 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-02 10:31:43,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-11-02 10:31:43,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 110. [2018-11-02 10:31:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-02 10:31:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2018-11-02 10:31:43,081 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 14 [2018-11-02 10:31:43,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:43,081 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2018-11-02 10:31:43,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-02 10:31:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2018-11-02 10:31:43,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-02 10:31:43,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:43,083 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:43,084 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:43,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:43,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1302029329, now seen corresponding path program 1 times [2018-11-02 10:31:43,086 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:43,086 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:43,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:43,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:43,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:31:43,163 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:43,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:43,167 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-02 10:31:43,215 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:31:43,221 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:31:43,222 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 17 treesize of output 21 [2018-11-02 10:31:43,223 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:43,239 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. [2018-11-02 10:31:43,239 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:16 [2018-11-02 10:31:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:43,265 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:43,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:43,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-02 10:31:43,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-02 10:31:43,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-02 10:31:43,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-02 10:31:43,268 INFO L87 Difference]: Start difference. First operand 110 states and 119 transitions. Second operand 6 states. [2018-11-02 10:31:44,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:44,155 INFO L93 Difference]: Finished difference Result 157 states and 170 transitions. [2018-11-02 10:31:44,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-02 10:31:44,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-02 10:31:44,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:44,157 INFO L225 Difference]: With dead ends: 157 [2018-11-02 10:31:44,157 INFO L226 Difference]: Without dead ends: 157 [2018-11-02 10:31:44,158 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-11-02 10:31:44,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-02 10:31:44,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 108. [2018-11-02 10:31:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-02 10:31:44,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2018-11-02 10:31:44,167 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 17 [2018-11-02 10:31:44,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:44,167 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2018-11-02 10:31:44,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-02 10:31:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2018-11-02 10:31:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-02 10:31:44,168 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:44,168 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:44,170 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:44,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:44,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1302029328, now seen corresponding path program 1 times [2018-11-02 10:31:44,172 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:44,172 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:44,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:44,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:44,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:31:44,265 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:44,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:31:44,280 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:44,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:44,290 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-11-02 10:31:44,359 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:31:44,361 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:31:44,362 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 11 treesize of output 4 [2018-11-02 10:31:44,362 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:44,383 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 14 treesize of output 17 [2018-11-02 10:31:44,384 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:44,402 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. [2018-11-02 10:31:44,402 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2018-11-02 10:31:44,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:44,428 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:44,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:44,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-02 10:31:44,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-02 10:31:44,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-02 10:31:44,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-02 10:31:44,437 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand 6 states. [2018-11-02 10:31:45,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:45,370 INFO L93 Difference]: Finished difference Result 137 states and 150 transitions. [2018-11-02 10:31:45,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-02 10:31:45,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-02 10:31:45,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:45,372 INFO L225 Difference]: With dead ends: 137 [2018-11-02 10:31:45,372 INFO L226 Difference]: Without dead ends: 137 [2018-11-02 10:31:45,373 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-02 10:31:45,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-02 10:31:45,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 123. [2018-11-02 10:31:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-02 10:31:45,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 137 transitions. [2018-11-02 10:31:45,380 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 137 transitions. Word has length 17 [2018-11-02 10:31:45,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:45,380 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 137 transitions. [2018-11-02 10:31:45,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-02 10:31:45,381 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 137 transitions. [2018-11-02 10:31:45,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-02 10:31:45,382 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:45,382 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:45,383 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:45,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:45,383 INFO L82 PathProgramCache]: Analyzing trace with hash -906061169, now seen corresponding path program 1 times [2018-11-02 10:31:45,384 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:45,385 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:45,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:45,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:45,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-11-02 10:31:45,480 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:45,487 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. [2018-11-02 10:31:45,487 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-02 10:31:45,518 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 [2018-11-02 10:31:45,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:31:45,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:45,527 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:45,534 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:45,534 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:11 [2018-11-02 10:31:45,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-02 10:31:45,557 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 15 treesize of output 7 [2018-11-02 10:31:45,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:45,560 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:45,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:45,563 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2018-11-02 10:31:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:45,586 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:45,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:45,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-02 10:31:45,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-02 10:31:45,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-02 10:31:45,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-02 10:31:45,590 INFO L87 Difference]: Start difference. First operand 123 states and 137 transitions. Second operand 7 states. [2018-11-02 10:31:46,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:46,502 INFO L93 Difference]: Finished difference Result 174 states and 191 transitions. [2018-11-02 10:31:46,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-02 10:31:46,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-02 10:31:46,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:46,505 INFO L225 Difference]: With dead ends: 174 [2018-11-02 10:31:46,505 INFO L226 Difference]: Without dead ends: 174 [2018-11-02 10:31:46,505 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2018-11-02 10:31:46,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-11-02 10:31:46,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 122. [2018-11-02 10:31:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-02 10:31:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 136 transitions. [2018-11-02 10:31:46,511 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 136 transitions. Word has length 20 [2018-11-02 10:31:46,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:46,512 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 136 transitions. [2018-11-02 10:31:46,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-02 10:31:46,513 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 136 transitions. [2018-11-02 10:31:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-02 10:31:46,513 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:46,514 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:46,514 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:46,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:46,514 INFO L82 PathProgramCache]: Analyzing trace with hash -906061168, now seen corresponding path program 1 times [2018-11-02 10:31:46,517 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:46,517 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:46,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:46,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:46,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:31:46,599 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,610 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,610 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-02 10:31:46,633 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 [2018-11-02 10:31:46,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:31:46,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,644 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,665 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 [2018-11-02 10:31:46,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:31:46,671 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,675 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,688 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,688 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2018-11-02 10:31:46,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-02 10:31:46,726 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 11 treesize of output 3 [2018-11-02 10:31:46,726 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,731 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-02 10:31:46,751 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 15 treesize of output 7 [2018-11-02 10:31:46,751 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,756 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,763 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:46,763 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:11 [2018-11-02 10:31:46,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:46,792 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:46,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:46,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-02 10:31:46,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-02 10:31:46,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-02 10:31:46,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-02 10:31:46,795 INFO L87 Difference]: Start difference. First operand 122 states and 136 transitions. Second operand 6 states. [2018-11-02 10:31:47,195 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-02 10:31:47,483 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-02 10:31:47,928 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-02 10:31:48,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:48,320 INFO L93 Difference]: Finished difference Result 178 states and 200 transitions. [2018-11-02 10:31:48,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-02 10:31:48,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-11-02 10:31:48,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:48,324 INFO L225 Difference]: With dead ends: 178 [2018-11-02 10:31:48,324 INFO L226 Difference]: Without dead ends: 178 [2018-11-02 10:31:48,325 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-02 10:31:48,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-11-02 10:31:48,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 107. [2018-11-02 10:31:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-02 10:31:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 120 transitions. [2018-11-02 10:31:48,330 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 120 transitions. Word has length 20 [2018-11-02 10:31:48,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:48,332 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 120 transitions. [2018-11-02 10:31:48,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-02 10:31:48,332 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2018-11-02 10:31:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-02 10:31:48,333 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:48,333 INFO L375 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] [2018-11-02 10:31:48,333 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:48,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:48,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1755121823, now seen corresponding path program 1 times [2018-11-02 10:31:48,335 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:48,335 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:48,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:48,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:48,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:48,451 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:48,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:48,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-02 10:31:48,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-02 10:31:48,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-02 10:31:48,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:31:48,457 INFO L87 Difference]: Start difference. First operand 107 states and 120 transitions. Second operand 5 states. [2018-11-02 10:31:48,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:48,824 INFO L93 Difference]: Finished difference Result 131 states and 144 transitions. [2018-11-02 10:31:48,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-02 10:31:48,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-02 10:31:48,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:48,827 INFO L225 Difference]: With dead ends: 131 [2018-11-02 10:31:48,827 INFO L226 Difference]: Without dead ends: 131 [2018-11-02 10:31:48,828 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-02 10:31:48,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-02 10:31:48,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 107. [2018-11-02 10:31:48,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-02 10:31:48,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 118 transitions. [2018-11-02 10:31:48,833 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 118 transitions. Word has length 23 [2018-11-02 10:31:48,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:48,833 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 118 transitions. [2018-11-02 10:31:48,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-02 10:31:48,834 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2018-11-02 10:31:48,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-02 10:31:48,834 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:48,835 INFO L375 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] [2018-11-02 10:31:48,835 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:48,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:48,838 INFO L82 PathProgramCache]: Analyzing trace with hash 584035924, now seen corresponding path program 1 times [2018-11-02 10:31:48,838 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:48,838 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:48,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:48,928 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:48,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:31:48,935 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:48,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:48,937 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-02 10:31:48,952 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 [2018-11-02 10:31:48,956 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 [2018-11-02 10:31:48,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:48,962 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:48,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:48,973 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:13 [2018-11-02 10:31:48,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-02 10:31:49,002 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 19 treesize of output 7 [2018-11-02 10:31:49,003 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:49,005 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:49,006 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:49,006 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:7 [2018-11-02 10:31:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:49,017 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:49,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:49,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-02 10:31:49,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-02 10:31:49,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-02 10:31:49,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:31:49,020 INFO L87 Difference]: Start difference. First operand 107 states and 118 transitions. Second operand 5 states. [2018-11-02 10:31:49,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:49,681 INFO L93 Difference]: Finished difference Result 179 states and 199 transitions. [2018-11-02 10:31:49,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-02 10:31:49,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-02 10:31:49,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:49,684 INFO L225 Difference]: With dead ends: 179 [2018-11-02 10:31:49,684 INFO L226 Difference]: Without dead ends: 179 [2018-11-02 10:31:49,684 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-02 10:31:49,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-11-02 10:31:49,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 106. [2018-11-02 10:31:49,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-02 10:31:49,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions. [2018-11-02 10:31:49,688 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 26 [2018-11-02 10:31:49,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:49,690 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 117 transitions. [2018-11-02 10:31:49,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-02 10:31:49,690 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2018-11-02 10:31:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-02 10:31:49,692 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:49,692 INFO L375 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] [2018-11-02 10:31:49,692 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:49,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:49,693 INFO L82 PathProgramCache]: Analyzing trace with hash 584035925, now seen corresponding path program 1 times [2018-11-02 10:31:49,693 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:49,693 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:49,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:49,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:49,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:31:49,813 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:49,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:49,823 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-02 10:31:49,854 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 [2018-11-02 10:31:49,859 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 [2018-11-02 10:31:49,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:49,865 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:49,891 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 [2018-11-02 10:31:49,895 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 [2018-11-02 10:31:49,896 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:49,901 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:49,949 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:49,950 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-11-02 10:31:50,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-02 10:31:50,020 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 15 treesize of output 3 [2018-11-02 10:31:50,020 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:50,044 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:50,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-11-02 10:31:50,153 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 17 treesize of output 5 [2018-11-02 10:31:50,153 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:50,156 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:50,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:50,164 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-11-02 10:31:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:50,178 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:50,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:50,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-02 10:31:50,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-02 10:31:50,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-02 10:31:50,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-02 10:31:50,182 INFO L87 Difference]: Start difference. First operand 106 states and 117 transitions. Second operand 5 states. [2018-11-02 10:31:51,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:51,056 INFO L93 Difference]: Finished difference Result 185 states and 205 transitions. [2018-11-02 10:31:51,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-02 10:31:51,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-02 10:31:51,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:51,059 INFO L225 Difference]: With dead ends: 185 [2018-11-02 10:31:51,059 INFO L226 Difference]: Without dead ends: 185 [2018-11-02 10:31:51,060 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-02 10:31:51,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-11-02 10:31:51,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 105. [2018-11-02 10:31:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-02 10:31:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 116 transitions. [2018-11-02 10:31:51,065 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 116 transitions. Word has length 26 [2018-11-02 10:31:51,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:51,065 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 116 transitions. [2018-11-02 10:31:51,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-02 10:31:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 116 transitions. [2018-11-02 10:31:51,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-02 10:31:51,068 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:51,068 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:51,069 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:51,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:51,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1035248866, now seen corresponding path program 1 times [2018-11-02 10:31:51,069 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:51,070 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:51,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:51,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:51,130 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:51,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:51,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-02 10:31:51,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-02 10:31:51,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-02 10:31:51,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-02 10:31:51,133 INFO L87 Difference]: Start difference. First operand 105 states and 116 transitions. Second operand 3 states. [2018-11-02 10:31:51,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:51,143 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2018-11-02 10:31:51,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-02 10:31:51,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-02 10:31:51,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:51,144 INFO L225 Difference]: With dead ends: 107 [2018-11-02 10:31:51,144 INFO L226 Difference]: Without dead ends: 105 [2018-11-02 10:31:51,145 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-02 10:31:51,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-02 10:31:51,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-02 10:31:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-02 10:31:51,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2018-11-02 10:31:51,149 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 30 [2018-11-02 10:31:51,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:51,151 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2018-11-02 10:31:51,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-02 10:31:51,151 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2018-11-02 10:31:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-02 10:31:51,152 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:51,152 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:51,154 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:51,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:51,154 INFO L82 PathProgramCache]: Analyzing trace with hash -959991845, now seen corresponding path program 1 times [2018-11-02 10:31:51,155 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:51,155 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:51,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:51,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:51,365 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 [2018-11-02 10:31:51,369 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 [2018-11-02 10:31:51,370 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:51,372 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:51,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:51,380 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-11-02 10:31:51,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-02 10:31:51,424 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 11 treesize of output 3 [2018-11-02 10:31:51,424 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:51,426 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:51,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:51,428 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-02 10:31:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:51,449 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:51,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:51,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-02 10:31:51,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-02 10:31:51,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-02 10:31:51,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-02 10:31:51,459 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand 8 states. [2018-11-02 10:31:51,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:51,926 INFO L93 Difference]: Finished difference Result 133 states and 145 transitions. [2018-11-02 10:31:51,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-02 10:31:51,927 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-11-02 10:31:51,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:51,928 INFO L225 Difference]: With dead ends: 133 [2018-11-02 10:31:51,928 INFO L226 Difference]: Without dead ends: 125 [2018-11-02 10:31:51,929 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-11-02 10:31:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-02 10:31:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 117. [2018-11-02 10:31:51,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-02 10:31:51,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 128 transitions. [2018-11-02 10:31:51,932 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 128 transitions. Word has length 32 [2018-11-02 10:31:51,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:51,932 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 128 transitions. [2018-11-02 10:31:51,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-02 10:31:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 128 transitions. [2018-11-02 10:31:51,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-02 10:31:51,935 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:51,935 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:51,935 INFO L424 AbstractCegarLoop]: === Iteration 14 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:51,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:51,936 INFO L82 PathProgramCache]: Analyzing trace with hash -599431981, now seen corresponding path program 1 times [2018-11-02 10:31:51,936 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:51,936 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:51,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:52,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:52,057 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 [2018-11-02 10:31:52,059 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 [2018-11-02 10:31:52,059 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,063 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,070 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,070 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-11-02 10:31:52,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-02 10:31:52,105 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 11 treesize of output 3 [2018-11-02 10:31:52,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,107 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,109 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,109 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-02 10:31:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:52,128 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:52,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:52,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-02 10:31:52,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-02 10:31:52,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-02 10:31:52,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-02 10:31:52,132 INFO L87 Difference]: Start difference. First operand 117 states and 128 transitions. Second operand 8 states. [2018-11-02 10:31:52,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:52,633 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-11-02 10:31:52,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-02 10:31:52,635 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-11-02 10:31:52,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:52,636 INFO L225 Difference]: With dead ends: 145 [2018-11-02 10:31:52,636 INFO L226 Difference]: Without dead ends: 137 [2018-11-02 10:31:52,636 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-11-02 10:31:52,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-02 10:31:52,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 129. [2018-11-02 10:31:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-02 10:31:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 142 transitions. [2018-11-02 10:31:52,641 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 142 transitions. Word has length 32 [2018-11-02 10:31:52,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:52,641 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 142 transitions. [2018-11-02 10:31:52,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-02 10:31:52,642 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 142 transitions. [2018-11-02 10:31:52,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-02 10:31:52,644 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:52,644 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-02 10:31:52,645 INFO L424 AbstractCegarLoop]: === Iteration 15 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:52,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:52,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1251654255, now seen corresponding path program 1 times [2018-11-02 10:31:52,645 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:52,645 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:52,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:52,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:52,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:31:52,765 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,819 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-02 10:31:52,845 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:31:52,847 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:31:52,848 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 11 treesize of output 4 [2018-11-02 10:31:52,848 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,856 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-11-02 10:31:52,877 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 13 treesize of output 10 [2018-11-02 10:31:52,880 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 10 treesize of output 9 [2018-11-02 10:31:52,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,885 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,895 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:14 [2018-11-02 10:31:52,958 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 0 case distinctions, treesize of input 34 treesize of output 28 [2018-11-02 10:31:52,963 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 14 treesize of output 13 [2018-11-02 10:31:52,964 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:52,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:53,001 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. [2018-11-02 10:31:53,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:27 [2018-11-02 10:31:53,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-11-02 10:31:53,131 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 5 treesize of output 1 [2018-11-02 10:31:53,131 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:53,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 16 treesize of output 4 [2018-11-02 10:31:53,217 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:53,244 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:53,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:53,258 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:36, output treesize:8 [2018-11-02 10:31:53,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:53,298 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-02 10:31:53,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-02 10:31:53,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-02 10:31:53,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-02 10:31:53,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-02 10:31:53,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-02 10:31:53,300 INFO L87 Difference]: Start difference. First operand 129 states and 142 transitions. Second operand 11 states. [2018-11-02 10:31:57,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:31:57,117 INFO L93 Difference]: Finished difference Result 203 states and 220 transitions. [2018-11-02 10:31:57,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-02 10:31:57,118 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2018-11-02 10:31:57,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:31:57,120 INFO L225 Difference]: With dead ends: 203 [2018-11-02 10:31:57,120 INFO L226 Difference]: Without dead ends: 193 [2018-11-02 10:31:57,121 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2018-11-02 10:31:57,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-11-02 10:31:57,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 131. [2018-11-02 10:31:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-02 10:31:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 144 transitions. [2018-11-02 10:31:57,126 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 144 transitions. Word has length 35 [2018-11-02 10:31:57,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:31:57,126 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 144 transitions. [2018-11-02 10:31:57,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-02 10:31:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2018-11-02 10:31:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-02 10:31:57,127 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:31:57,127 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-02 10:31:57,129 INFO L424 AbstractCegarLoop]: === Iteration 16 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:31:57,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:31:57,130 INFO L82 PathProgramCache]: Analyzing trace with hash 96361070, now seen corresponding path program 1 times [2018-11-02 10:31:57,130 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:31:57,130 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:31:57,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:31:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:31:57,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:31:57,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:31:57,331 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,387 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,387 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-02 10:31:57,435 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:31:57,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:31:57,439 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 17 treesize of output 21 [2018-11-02 10:31:57,440 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,463 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,463 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:25 [2018-11-02 10:31:57,528 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 [2018-11-02 10:31:57,533 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 [2018-11-02 10:31:57,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,537 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,559 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-11-02 10:31:57,669 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:31:57,681 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2018-11-02 10:31:57,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:31:57,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,703 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,725 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:39 [2018-11-02 10:31:57,797 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 0 case distinctions, treesize of input 56 treesize of output 46 [2018-11-02 10:31:57,803 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:31:57,807 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 24 treesize of output 35 [2018-11-02 10:31:57,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,828 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:57,852 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. [2018-11-02 10:31:57,852 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:57 [2018-11-02 10:31:58,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2018-11-02 10:31:58,055 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:31:58,059 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 6 [2018-11-02 10:31:58,060 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:58,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 10 [2018-11-02 10:31:58,085 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:58,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:31:58,100 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. [2018-11-02 10:31:58,100 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:59, output treesize:16 [2018-11-02 10:31:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:31:58,178 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-02 10:31:58,980 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-11-02 10:31:59,031 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 9 treesize of output 8 [2018-11-02 10:31:59,032 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:59,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2018-11-02 10:31:59,121 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 29 treesize of output 23 [2018-11-02 10:31:59,121 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:59,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2018-11-02 10:31:59,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 41 [2018-11-02 10:31:59,310 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-02 10:31:59,326 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 1 case distinctions, treesize of input 28 treesize of output 24 [2018-11-02 10:31:59,327 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-02 10:31:59,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 41 [2018-11-02 10:31:59,381 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-02 10:31:59,576 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 22 treesize of output 16 [2018-11-02 10:31:59,577 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:59,597 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2018-11-02 10:31:59,599 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:31:59,747 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 7 xjuncts. [2018-11-02 10:31:59,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-11-02 10:31:59,963 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 13 treesize of output 6 [2018-11-02 10:31:59,963 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:31:59,978 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2018-11-02 10:31:59,980 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:32:00,017 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-02 10:32:00,282 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 10 xjuncts. [2018-11-02 10:32:00,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2018-11-02 10:32:00,324 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2018-11-02 10:32:00,326 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:32:00,377 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-11-02 10:32:00,378 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:32:00,443 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 18 treesize of output 12 [2018-11-02 10:32:00,444 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:00,480 INFO L267 ElimStorePlain]: Start of recursive call 15: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-02 10:32:00,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 53 [2018-11-02 10:32:00,560 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2018-11-02 10:32:00,561 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:32:00,863 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 36 treesize of output 30 [2018-11-02 10:32:00,863 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:01,199 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 47 [2018-11-02 10:32:01,451 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-11-02 10:32:01,472 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-11-02 10:32:01,473 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:32:01,494 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-11-02 10:32:01,496 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:32:01,728 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-02 10:32:02,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 32 treesize of output 57 [2018-11-02 10:32:02,898 WARN L179 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 98 [2018-11-02 10:32:02,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 28 [2018-11-02 10:32:02,921 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:03,267 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2018-11-02 10:32:03,268 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:32:03,279 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2018-11-02 10:32:03,280 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:32:03,596 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 1 case distinctions, treesize of input 25 treesize of output 21 [2018-11-02 10:32:03,597 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:03,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 35 [2018-11-02 10:32:03,898 INFO L267 ElimStorePlain]: Start of recursive call 30: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-02 10:32:03,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 35 [2018-11-02 10:32:03,939 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-02 10:32:04,646 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 26 treesize of output 18 [2018-11-02 10:32:04,647 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:05,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 25 [2018-11-02 10:32:05,085 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:05,232 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, 7 dim-1 vars, End of recursive call: 3 dim-0 vars, and 6 xjuncts. [2018-11-02 10:32:05,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 32 treesize of output 57 [2018-11-02 10:32:06,534 WARN L179 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2018-11-02 10:32:06,554 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 1 case distinctions, treesize of input 25 treesize of output 21 [2018-11-02 10:32:06,555 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:06,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 35 [2018-11-02 10:32:06,904 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-02 10:32:06,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 35 [2018-11-02 10:32:06,948 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-02 10:32:07,259 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2018-11-02 10:32:07,260 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:32:08,010 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2018-11-02 10:32:08,011 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:32:08,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 25 [2018-11-02 10:32:08,270 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:08,414 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, 7 dim-1 vars, End of recursive call: 3 dim-0 vars, and 6 xjuncts. [2018-11-02 10:32:09,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-11-02 10:32:09,281 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2018-11-02 10:32:09,282 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:32:09,286 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 13 treesize of output 6 [2018-11-02 10:32:09,287 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:09,345 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-02 10:32:10,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 29 treesize of output 54 [2018-11-02 10:32:10,968 WARN L179 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 96 [2018-11-02 10:32:11,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 32 [2018-11-02 10:32:11,040 INFO L267 ElimStorePlain]: Start of recursive call 45: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-02 10:32:11,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 32 [2018-11-02 10:32:11,095 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-02 10:32:11,440 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 25 treesize of output 17 [2018-11-02 10:32:11,440 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:11,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 22 [2018-11-02 10:32:11,729 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:12,087 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 1 case distinctions, treesize of input 18 treesize of output 14 [2018-11-02 10:32:12,088 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:12,214 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2018-11-02 10:32:12,215 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:32:12,474 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, 7 dim-1 vars, End of recursive call: 3 dim-0 vars, and 6 xjuncts. [2018-11-02 10:32:13,227 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2018-11-02 10:32:13,229 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:32:13,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 41 [2018-11-02 10:32:14,105 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-11-02 10:32:14,125 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 1 case distinctions, treesize of input 37 treesize of output 33 [2018-11-02 10:32:14,125 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:14,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 48 [2018-11-02 10:32:14,186 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-02 10:32:14,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 48 [2018-11-02 10:32:14,244 INFO L267 ElimStorePlain]: Start of recursive call 55: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-02 10:32:14,509 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 31 treesize of output 25 [2018-11-02 10:32:14,509 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:14,530 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 38 [2018-11-02 10:32:14,532 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:32:14,769 INFO L267 ElimStorePlain]: Start of recursive call 52: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 7 xjuncts. [2018-11-02 10:32:15,724 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 25 treesize of output 19 [2018-11-02 10:32:15,725 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:15,729 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 26 treesize of output 20 [2018-11-02 10:32:15,730 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:16,591 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2018-11-02 10:32:16,592 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:32:17,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-11-02 10:32:17,484 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 13 treesize of output 6 [2018-11-02 10:32:17,484 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:17,503 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2018-11-02 10:32:17,504 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:32:17,562 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-02 10:32:18,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 32 treesize of output 57 [2018-11-02 10:32:19,192 WARN L179 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 97 [2018-11-02 10:32:19,196 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 30 treesize of output 22 [2018-11-02 10:32:19,196 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:19,524 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2018-11-02 10:32:19,525 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:32:19,545 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2018-11-02 10:32:19,546 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:32:19,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 25 [2018-11-02 10:32:19,892 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:20,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 30 [2018-11-02 10:32:20,177 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:20,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2018-11-02 10:32:20,476 INFO L267 ElimStorePlain]: Start of recursive call 70: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-02 10:32:20,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-11-02 10:32:20,745 INFO L267 ElimStorePlain]: Start of recursive call 71: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-02 10:32:20,956 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 1 case distinctions, treesize of input 21 treesize of output 17 [2018-11-02 10:32:20,956 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:21,098 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-0 vars, 7 dim-1 vars, End of recursive call: 3 dim-0 vars, and 6 xjuncts. [2018-11-02 10:32:22,116 INFO L267 ElimStorePlain]: Start of recursive call 19: 13 dim-1 vars, End of recursive call: 25 dim-0 vars, and 24 xjuncts. [2018-11-02 10:32:23,563 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 31 dim-0 vars, and 31 xjuncts. [2018-11-02 10:32:24,912 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 31 dim-0 vars, and 31 xjuncts. [2018-11-02 10:32:24,913 INFO L202 ElimStorePlain]: Needed 72 recursive calls to eliminate 2 variables, input treesize:40, output treesize:520 [2018-11-02 10:32:25,318 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 28 [2018-11-02 10:32:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:32:27,595 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:32:27,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2018-11-02 10:32:27,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-02 10:32:27,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-02 10:32:27,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=495, Unknown=1, NotChecked=0, Total=600 [2018-11-02 10:32:27,596 INFO L87 Difference]: Start difference. First operand 131 states and 144 transitions. Second operand 25 states. [2018-11-02 10:32:32,641 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2018-11-02 10:32:33,575 WARN L179 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2018-11-02 10:32:34,028 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 46 [2018-11-02 10:32:34,626 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-11-02 10:32:36,219 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-11-02 10:32:36,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:32:36,839 INFO L93 Difference]: Finished difference Result 353 states and 383 transitions. [2018-11-02 10:32:36,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-02 10:32:36,840 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 43 [2018-11-02 10:32:36,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:32:36,843 INFO L225 Difference]: With dead ends: 353 [2018-11-02 10:32:36,843 INFO L226 Difference]: Without dead ends: 353 [2018-11-02 10:32:36,844 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 61 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=495, Invalid=1856, Unknown=1, NotChecked=0, Total=2352 [2018-11-02 10:32:36,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-11-02 10:32:36,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 179. [2018-11-02 10:32:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-02 10:32:36,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 201 transitions. [2018-11-02 10:32:36,852 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 201 transitions. Word has length 43 [2018-11-02 10:32:36,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:32:36,854 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 201 transitions. [2018-11-02 10:32:36,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-02 10:32:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 201 transitions. [2018-11-02 10:32:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-02 10:32:36,855 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:32:36,856 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-02 10:32:36,856 INFO L424 AbstractCegarLoop]: === Iteration 17 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:32:36,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:32:36,856 INFO L82 PathProgramCache]: Analyzing trace with hash 96361071, now seen corresponding path program 1 times [2018-11-02 10:32:36,860 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:32:36,860 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:32:36,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:32:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:32:37,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:32:37,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:32:37,044 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,049 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-02 10:32:37,076 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 [2018-11-02 10:32:37,079 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 [2018-11-02 10:32:37,079 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,091 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,092 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-11-02 10:32:37,132 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:37,134 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:37,134 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 11 treesize of output 4 [2018-11-02 10:32:37,135 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,149 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-11-02 10:32:37,177 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 [2018-11-02 10:32:37,181 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 [2018-11-02 10:32:37,182 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,185 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,204 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,205 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2018-11-02 10:32:37,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-02 10:32:37,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 12 treesize of output 4 [2018-11-02 10:32:37,240 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,244 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,256 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,256 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:17 [2018-11-02 10:32:37,327 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-11-02 10:32:37,331 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 [2018-11-02 10:32:37,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,365 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-02 10:32:37,385 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:26 [2018-11-02 10:32:37,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-11-02 10:32:37,515 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 [2018-11-02 10:32:37,515 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,525 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 11 treesize of output 3 [2018-11-02 10:32:37,526 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,529 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:37,536 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:28, output treesize:3 [2018-11-02 10:32:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:32:37,587 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-02 10:32:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:32:37,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-02 10:32:37,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2018-11-02 10:32:37,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-02 10:32:37,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-02 10:32:37,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2018-11-02 10:32:37,843 INFO L87 Difference]: Start difference. First operand 179 states and 201 transitions. Second operand 18 states. [2018-11-02 10:32:40,052 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2018-11-02 10:32:41,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:32:41,310 INFO L93 Difference]: Finished difference Result 287 states and 317 transitions. [2018-11-02 10:32:41,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-02 10:32:41,311 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 43 [2018-11-02 10:32:41,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:32:41,314 INFO L225 Difference]: With dead ends: 287 [2018-11-02 10:32:41,314 INFO L226 Difference]: Without dead ends: 258 [2018-11-02 10:32:41,315 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=367, Invalid=1115, Unknown=0, NotChecked=0, Total=1482 [2018-11-02 10:32:41,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-11-02 10:32:41,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 166. [2018-11-02 10:32:41,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-11-02 10:32:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2018-11-02 10:32:41,321 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 43 [2018-11-02 10:32:41,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:32:41,322 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2018-11-02 10:32:41,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-02 10:32:41,322 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2018-11-02 10:32:41,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-02 10:32:41,322 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:32:41,322 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-11-02 10:32:41,325 INFO L424 AbstractCegarLoop]: === Iteration 18 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:32:41,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:32:41,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1601358087, now seen corresponding path program 1 times [2018-11-02 10:32:41,327 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:32:41,328 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:32:41,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:32:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:32:41,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:32:41,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:32:41,511 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:41,521 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:41,521 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-02 10:32:41,552 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:41,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:41,554 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 11 treesize of output 4 [2018-11-02 10:32:41,554 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:41,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:41,561 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-11-02 10:32:41,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-11-02 10:32:41,582 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 10 treesize of output 9 [2018-11-02 10:32:41,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:41,585 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:41,598 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:41,598 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-02 10:32:41,660 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 0 case distinctions, treesize of input 34 treesize of output 28 [2018-11-02 10:32:41,664 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 14 treesize of output 13 [2018-11-02 10:32:41,664 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:41,675 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:41,700 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. [2018-11-02 10:32:41,701 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:34 [2018-11-02 10:32:41,783 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:41,785 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:41,786 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 13 treesize of output 4 [2018-11-02 10:32:41,786 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:41,811 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. [2018-11-02 10:32:41,811 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:37 [2018-11-02 10:32:41,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 42 [2018-11-02 10:32:41,955 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:41,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 47 [2018-11-02 10:32:41,960 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:41,978 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:42,007 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. [2018-11-02 10:32:42,008 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:48, output treesize:41 [2018-11-02 10:32:42,191 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:42,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 69 [2018-11-02 10:32:42,263 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 61 treesize of output 60 [2018-11-02 10:32:42,263 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:42,346 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:42,372 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. [2018-11-02 10:32:42,372 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-11-02 10:32:42,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 76 [2018-11-02 10:32:42,537 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:42,542 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 69 treesize of output 80 [2018-11-02 10:32:42,542 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:42,647 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:42,681 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 2 case distinctions, treesize of input 52 treesize of output 79 [2018-11-02 10:32:42,681 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:42,753 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:32:42,820 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 2 xjuncts. [2018-11-02 10:32:42,820 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:71, output treesize:121 [2018-11-02 10:32:43,047 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2018-11-02 10:32:43,277 INFO L303 Elim1Store]: Index analysis took 115 ms [2018-11-02 10:32:43,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 54 [2018-11-02 10:32:43,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2018-11-02 10:32:43,373 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:43,667 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:43,670 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-11-02 10:32:43,672 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:43,732 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:43,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 40 [2018-11-02 10:32:43,761 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-02 10:32:43,828 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:43,832 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 27 treesize of output 18 [2018-11-02 10:32:43,833 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:43,839 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:32:43,843 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2018-11-02 10:32:43,843 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:43,880 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 10 treesize of output 4 [2018-11-02 10:32:43,880 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:32:43,889 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:43,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:32:43,896 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:72, output treesize:8 [2018-11-02 10:32:44,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:32:44,004 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-02 10:33:07,973 WARN L832 $PredicateComparison]: unable to prove that (forall ((|main_#t~mem3.offset| (_ BitVec 32)) (|v_main_#t~malloc6.base_5| (_ BitVec 32)) (v_subst_7 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_main_#t~malloc6.base_5|))) (not (= (let ((.cse3 (bvadd c_main_~head~0.offset (_ bv4 32)))) (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_main_~head~0.base) .cse3))) (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) |main_#t~mem3.offset| (_ bv0 32)))))) (store .cse1 c_main_~head~0.base (store (select .cse1 c_main_~head~0.base) c_main_~head~0.offset |v_main_#t~malloc6.base_5|))))) (store .cse0 |v_main_#t~malloc6.base_5| (store (store (select .cse0 |v_main_#t~malloc6.base_5|) v_subst_7 (_ bv0 32)) (bvadd v_subst_7 (_ bv4 32)) |v_main_#t~malloc6.base_5|))) c_main_~head~0.base) .cse3)) c_main_~head~0.base)))) is different from false [2018-11-02 10:33:08,039 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:33:08,055 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:33:08,056 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 13 treesize of output 3 [2018-11-02 10:33:08,057 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:33:08,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 83 [2018-11-02 10:33:08,168 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 11 treesize of output 10 [2018-11-02 10:33:08,168 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:33:08,207 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:33:08,228 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 0 case distinctions, treesize of input 82 treesize of output 61 [2018-11-02 10:33:08,395 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 18 treesize of output 26 [2018-11-02 10:33:08,395 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-02 10:33:08,460 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 0 case distinctions, treesize of input 48 treesize of output 43 [2018-11-02 10:33:08,548 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 2 case distinctions, treesize of input 16 treesize of output 22 [2018-11-02 10:33:08,548 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-02 10:33:08,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-11-02 10:33:08,611 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:33:08,615 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:33:08,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 27 [2018-11-02 10:33:08,638 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2018-11-02 10:33:08,692 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:33:08,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2018-11-02 10:33:08,701 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:33:08,701 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:33:08,702 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 15 treesize of output 9 [2018-11-02 10:33:08,703 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-02 10:33:08,712 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:33:08,741 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:33:08,761 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:33:08,783 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:33:08,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:33:08,911 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 5 variables, input treesize:164, output treesize:14 [2018-11-02 10:33:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:33:09,093 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-02 10:33:09,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2018-11-02 10:33:09,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-02 10:33:09,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-02 10:33:09,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=865, Unknown=10, NotChecked=60, Total=1056 [2018-11-02 10:33:09,099 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand 33 states. [2018-11-02 10:33:09,896 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2018-11-02 10:33:13,317 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2018-11-02 10:33:13,630 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2018-11-02 10:33:13,959 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-11-02 10:33:14,746 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-11-02 10:33:16,716 WARN L179 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2018-11-02 10:33:20,199 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2018-11-02 10:33:25,500 WARN L179 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2018-11-02 10:33:30,554 WARN L179 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2018-11-02 10:33:37,654 WARN L179 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-11-02 10:33:38,695 WARN L179 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-11-02 10:33:52,329 WARN L179 SmtUtils]: Spent 7.10 s on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2018-11-02 10:33:59,471 WARN L179 SmtUtils]: Spent 6.68 s on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2018-11-02 10:34:01,941 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-11-02 10:34:02,408 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-11-02 10:34:03,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-02 10:34:03,192 INFO L93 Difference]: Finished difference Result 253 states and 272 transitions. [2018-11-02 10:34:03,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-02 10:34:03,194 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 46 [2018-11-02 10:34:03,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-02 10:34:03,196 INFO L225 Difference]: With dead ends: 253 [2018-11-02 10:34:03,196 INFO L226 Difference]: Without dead ends: 233 [2018-11-02 10:34:03,198 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 55.8s TimeCoverageRelationStatistics Valid=650, Invalid=2419, Unknown=15, NotChecked=108, Total=3192 [2018-11-02 10:34:03,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-11-02 10:34:03,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 133. [2018-11-02 10:34:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-02 10:34:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 145 transitions. [2018-11-02 10:34:03,203 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 145 transitions. Word has length 46 [2018-11-02 10:34:03,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-02 10:34:03,203 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 145 transitions. [2018-11-02 10:34:03,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-02 10:34:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2018-11-02 10:34:03,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-02 10:34:03,205 INFO L367 BasicCegarLoop]: Found error trace [2018-11-02 10:34:03,205 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-11-02 10:34:03,206 INFO L424 AbstractCegarLoop]: === Iteration 19 === [mainErr17REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION]=== [2018-11-02 10:34:03,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-02 10:34:03,206 INFO L82 PathProgramCache]: Analyzing trace with hash 661994363, now seen corresponding path program 1 times [2018-11-02 10:34:03,207 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-02 10:34:03,207 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:34:03,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-02 10:34:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-02 10:34:03,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-02 10:34:03,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-02 10:34:03,383 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,392 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,392 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-02 10:34:03,447 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:03,449 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:03,450 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 11 treesize of output 4 [2018-11-02 10:34:03,450 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,463 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,463 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-11-02 10:34:03,497 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 [2018-11-02 10:34:03,502 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 [2018-11-02 10:34:03,502 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,505 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,522 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-11-02 10:34:03,617 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:03,631 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-02 10:34:03,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-02 10:34:03,636 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,666 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:29 [2018-11-02 10:34:03,705 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:03,707 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:03,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-11-02 10:34:03,709 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,735 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:38 [2018-11-02 10:34:03,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-02 10:34:03,825 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:03,830 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 [2018-11-02 10:34:03,830 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,857 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,905 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:03,905 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:55 [2018-11-02 10:34:04,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 83 [2018-11-02 10:34:04,189 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 98 treesize of output 97 [2018-11-02 10:34:04,190 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:04,604 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:04,642 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 2 case distinctions, treesize of input 48 treesize of output 62 [2018-11-02 10:34:04,644 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:04,714 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:34:04,799 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 2 xjuncts. [2018-11-02 10:34:04,800 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:101, output treesize:140 [2018-11-02 10:34:05,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2018-11-02 10:34:05,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 21 treesize of output 12 [2018-11-02 10:34:05,161 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:05,184 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:05,185 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 13 treesize of output 6 [2018-11-02 10:34:05,186 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:05,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:05,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 68 [2018-11-02 10:34:05,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 52 [2018-11-02 10:34:05,309 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:05,443 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:05,447 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2018-11-02 10:34:05,448 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-02 10:34:05,530 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 35 treesize of output 30 [2018-11-02 10:34:05,531 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:05,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 53 treesize of output 44 [2018-11-02 10:34:05,625 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:05,700 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:05,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 42 [2018-11-02 10:34:05,717 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-02 10:34:05,791 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-02 10:34:05,876 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-11-02 10:34:05,876 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 7 variables, input treesize:146, output treesize:102 [2018-11-02 10:34:06,379 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2018-11-02 10:34:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-02 10:34:06,443 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-02 10:34:15,872 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2018-11-02 10:34:15,881 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:15,882 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:15,882 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:15,886 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:15,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 186 [2018-11-02 10:34:15,888 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:15,895 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:15,902 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:34:15,903 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 80 treesize of output 126 [2018-11-02 10:34:15,903 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:15,995 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-02 10:34:15,995 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:88, output treesize:179 [2018-11-02 10:34:16,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 133 [2018-11-02 10:34:17,196 WARN L179 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2018-11-02 10:34:17,205 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 9 treesize of output 8 [2018-11-02 10:34:17,206 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:17,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 72 [2018-11-02 10:34:17,571 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-11-02 10:34:17,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-11-02 10:34:17,590 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:17,593 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 18 treesize of output 24 [2018-11-02 10:34:17,594 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:17,619 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:17,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-11-02 10:34:17,639 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:17,648 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 44 treesize of output 44 [2018-11-02 10:34:17,648 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:17,681 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:17,838 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 2 case distinctions, treesize of input 61 treesize of output 66 [2018-11-02 10:34:18,699 WARN L179 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2018-11-02 10:34:18,709 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 40 treesize of output 34 [2018-11-02 10:34:18,709 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:18,715 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 43 treesize of output 37 [2018-11-02 10:34:18,715 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:19,419 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:19,425 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:19,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 43 [2018-11-02 10:34:19,427 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:19,435 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:19,435 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:19,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2018-11-02 10:34:19,437 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:19,922 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:19,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-11-02 10:34:19,941 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:19,950 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:19,954 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:19,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2018-11-02 10:34:19,967 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:20,337 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 47 treesize of output 41 [2018-11-02 10:34:20,338 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:20,662 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-11-02 10:34:20,663 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:20,957 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:20,958 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:20,959 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 31 treesize of output 22 [2018-11-02 10:34:20,959 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:21,229 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:21,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-11-02 10:34:21,253 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:21,258 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:21,259 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:21,260 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 31 treesize of output 22 [2018-11-02 10:34:21,260 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:21,587 INFO L267 ElimStorePlain]: Start of recursive call 9: 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-02 10:34:21,626 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 1 case distinctions, treesize of input 44 treesize of output 48 [2018-11-02 10:34:21,646 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-11-02 10:34:21,647 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:21,752 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 27 treesize of output 21 [2018-11-02 10:34:21,752 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:21,822 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:21,826 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 34 treesize of output 25 [2018-11-02 10:34:21,827 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:21,935 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:21,959 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 21 treesize of output 12 [2018-11-02 10:34:21,960 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:22,003 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:22,004 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:22,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-02 10:34:22,006 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:22,027 INFO L267 ElimStorePlain]: Start of recursive call 21: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:34:22,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2018-11-02 10:34:22,134 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 6 treesize of output 1 [2018-11-02 10:34:22,134 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:22,209 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:22,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2018-11-02 10:34:22,227 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:22,232 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:22,232 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:22,233 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 19 treesize of output 13 [2018-11-02 10:34:22,234 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:22,305 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-02 10:34:22,435 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-02 10:34:22,608 INFO L303 Elim1Store]: Index analysis took 172 ms [2018-11-02 10:34:22,961 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 165 treesize of output 143 [2018-11-02 10:34:28,878 WARN L179 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 295 DAG size of output: 234 [2018-11-02 10:34:28,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-02 10:34:28,880 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-02 10:34:28,881 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-02 10:34:28,883 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-02 10:34:28,883 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-02 10:34:28,884 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-02 10:34:28,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 85 [2018-11-02 10:34:28,898 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:28,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 44 [2018-11-02 10:34:28,905 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:28,985 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:28,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 59 [2018-11-02 10:34:29,009 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:29,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-11-02 10:34:29,014 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:29,069 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:29,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 85 [2018-11-02 10:34:29,089 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:29,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 44 [2018-11-02 10:34:29,094 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:29,174 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:29,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 72 [2018-11-02 10:34:29,193 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:29,193 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:29,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 51 [2018-11-02 10:34:29,195 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:29,271 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:33,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 73 [2018-11-02 10:34:33,441 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:33,467 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 66 treesize of output 66 [2018-11-02 10:34:33,468 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:33,700 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:33,704 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:33,745 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 3 case distinctions, treesize of input 68 treesize of output 80 [2018-11-02 10:34:33,746 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:33,954 INFO L267 ElimStorePlain]: Start of recursive call 40: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:34:33,970 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:33,996 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 70 [2018-11-02 10:34:34,002 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:34,002 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:34,004 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 63 treesize of output 70 [2018-11-02 10:34:34,004 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:34,197 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:34,202 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:34,203 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:34,203 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:34,204 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:34,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 91 [2018-11-02 10:34:34,230 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:35,474 INFO L267 ElimStorePlain]: Start of recursive call 43: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:34:35,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 50 [2018-11-02 10:34:35,645 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:35,649 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:35,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 63 [2018-11-02 10:34:35,682 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:35,868 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:35,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 49 [2018-11-02 10:34:35,872 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:36,026 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:34:40,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2018-11-02 10:34:40,402 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:40,406 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 18 treesize of output 24 [2018-11-02 10:34:40,407 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:40,451 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:40,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 76 [2018-11-02 10:34:40,488 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 15 [2018-11-02 10:34:40,489 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:40,552 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:40,558 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 44 treesize of output 44 [2018-11-02 10:34:40,558 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:40,598 INFO L267 ElimStorePlain]: Start of recursive call 51: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:45,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 46 [2018-11-02 10:34:45,050 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-11-02 10:34:45,050 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:45,141 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:45,144 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:45,144 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:45,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 32 [2018-11-02 10:34:45,162 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:45,281 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:45,282 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:45,288 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:45,289 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:45,289 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:45,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 54 [2018-11-02 10:34:45,323 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 3 xjuncts. [2018-11-02 10:34:45,492 INFO L267 ElimStorePlain]: Start of recursive call 54: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-02 10:34:45,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 57 [2018-11-02 10:34:45,883 WARN L179 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-11-02 10:34:45,890 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-11-02 10:34:45,891 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:45,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2018-11-02 10:34:45,901 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:45,906 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2018-11-02 10:34:45,906 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:46,178 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,182 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2018-11-02 10:34:46,197 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:46,207 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2018-11-02 10:34:46,229 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:46,492 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,493 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,494 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 36 treesize of output 27 [2018-11-02 10:34:46,494 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:46,587 INFO L267 ElimStorePlain]: Start of recursive call 58: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:34:46,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2018-11-02 10:34:46,718 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2018-11-02 10:34:46,722 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,723 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,723 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,724 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,724 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,725 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-11-02 10:34:46,726 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:46,766 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:46,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 49 [2018-11-02 10:34:46,869 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,870 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:46,871 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 15 treesize of output 9 [2018-11-02 10:34:46,871 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:46,904 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:46,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 59 [2018-11-02 10:34:47,274 WARN L179 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2018-11-02 10:34:47,281 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2018-11-02 10:34:47,282 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:47,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-11-02 10:34:47,294 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:47,300 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2018-11-02 10:34:47,301 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:47,533 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,534 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,534 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,535 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,535 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,536 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-11-02 10:34:47,537 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:47,543 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,544 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,551 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,552 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,552 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 57 [2018-11-02 10:34:47,593 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 3 xjuncts. [2018-11-02 10:34:47,924 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,925 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,932 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,933 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,934 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 54 [2018-11-02 10:34:47,969 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 3 xjuncts. [2018-11-02 10:34:47,977 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,977 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,978 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,981 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,981 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,982 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,982 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,985 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:47,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 55 [2018-11-02 10:34:48,000 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:48,183 INFO L267 ElimStorePlain]: Start of recursive call 69: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-02 10:34:48,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 45 treesize of output 39 [2018-11-02 10:34:48,193 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 20 treesize of output 9 [2018-11-02 10:34:48,193 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:48,221 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-02 10:34:48,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 46 [2018-11-02 10:34:48,261 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-11-02 10:34:48,261 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:48,346 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:48,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 40 [2018-11-02 10:34:48,370 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:48,490 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:48,493 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 31 treesize of output 22 [2018-11-02 10:34:48,493 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:48,584 INFO L267 ElimStorePlain]: Start of recursive call 79: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:34:48,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 44 [2018-11-02 10:34:48,621 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-11-02 10:34:48,622 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:48,711 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:48,714 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 29 treesize of output 20 [2018-11-02 10:34:48,714 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:48,791 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:48,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2018-11-02 10:34:48,813 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:48,896 INFO L267 ElimStorePlain]: Start of recursive call 83: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:34:48,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 59 [2018-11-02 10:34:49,270 WARN L179 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-11-02 10:34:49,276 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:49,277 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:49,278 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 48 treesize of output 39 [2018-11-02 10:34:49,278 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:49,287 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:49,291 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:49,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 56 [2018-11-02 10:34:49,308 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:49,319 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:49,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 53 [2018-11-02 10:34:49,342 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:49,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-11-02 10:34:49,625 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:49,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-11-02 10:34:49,634 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:49,641 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2018-11-02 10:34:49,641 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:49,844 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:49,852 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:49,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2018-11-02 10:34:49,867 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:49,878 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:49,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 40 [2018-11-02 10:34:49,900 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:50,019 INFO L267 ElimStorePlain]: Start of recursive call 87: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-02 10:34:56,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2018-11-02 10:34:56,883 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 6 treesize of output 1 [2018-11-02 10:34:56,884 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:56,959 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:56,960 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:56,961 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 19 treesize of output 13 [2018-11-02 10:34:56,962 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:56,968 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:56,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2018-11-02 10:34:56,987 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 2 xjuncts. [2018-11-02 10:34:57,065 INFO L267 ElimStorePlain]: Start of recursive call 96: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-02 10:34:57,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 52 [2018-11-02 10:34:57,110 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:57,114 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 44 treesize of output 35 [2018-11-02 10:34:57,115 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:57,228 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-11-02 10:34:57,228 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:57,322 INFO L682 Elim1Store]: detected equality via solver [2018-11-02 10:34:57,330 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 31 treesize of output 22 [2018-11-02 10:34:57,330 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:57,384 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 17 treesize of output 11 [2018-11-02 10:34:57,384 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:57,433 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2018-11-02 10:34:57,434 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-11-02 10:34:57,464 INFO L267 ElimStorePlain]: Start of recursive call 100: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-02 10:35:02,370 INFO L700 Elim1Store]: detected not equals via solver [2018-11-02 10:35:02,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 116 [2018-11-02 10:35:02,784 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-02 10:35:02,785 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_119 term size 39 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-02 10:35:02,790 INFO L168 Benchmark]: Toolchain (without parser) took 208206.56 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.5 MB). Free memory was 950.5 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 544.6 MB. Max. memory is 11.5 GB. [2018-11-02 10:35:02,791 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-02 10:35:02,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.73 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 923.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-02 10:35:02,791 INFO L168 Benchmark]: Boogie Preprocessor took 185.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 923.6 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-02 10:35:02,792 INFO L168 Benchmark]: RCFGBuilder took 1755.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. [2018-11-02 10:35:02,792 INFO L168 Benchmark]: TraceAbstraction took 205626.00 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 202.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -129.8 MB). Peak memory consumption was 512.4 MB. Max. memory is 11.5 GB. [2018-11-02 10:35:02,794 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 634.73 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 923.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 185.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 923.6 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1755.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 205626.00 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 202.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -129.8 MB). Peak memory consumption was 512.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_119 term size 39 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_119 term size 39: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...