./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39996758d4a4793ed5619e696b4574ccdffaa666 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:54:49,483 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:54:49,484 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:54:49,491 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:54:49,491 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:54:49,492 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:54:49,493 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:54:49,494 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:54:49,495 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:54:49,495 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:54:49,496 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:54:49,496 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:54:49,497 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:54:49,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:54:49,498 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:54:49,499 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:54:49,499 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:54:49,501 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:54:49,502 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:54:49,503 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:54:49,504 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:54:49,504 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:54:49,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:54:49,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:54:49,506 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:54:49,507 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:54:49,507 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:54:49,508 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:54:49,508 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:54:49,509 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:54:49,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:54:49,509 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:54:49,509 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:54:49,509 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:54:49,510 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:54:49,510 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:54:49,510 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-09 23:54:49,518 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:54:49,518 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:54:49,518 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:54:49,519 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:54:49,519 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:54:49,519 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:54:49,519 INFO L133 SettingsManager]: * Use SBE=true [2018-11-09 23:54:49,519 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:54:49,519 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:54:49,520 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:54:49,520 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:54:49,520 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:54:49,520 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:54:49,520 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:54:49,520 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:54:49,520 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:54:49,521 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:54:49,521 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:54:49,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:54:49,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-09 23:54:49,521 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:54:49,521 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-09 23:54:49,521 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-09 23:54:49,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:54:49,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:54:49,522 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:54:49,522 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-09 23:54:49,522 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:54:49,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:54:49,522 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer 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 ! call(__VERIFIER_error())) ) 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 -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2018-11-09 23:54:49,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:54:49,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:54:49,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:54:49,555 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:54:49,555 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:54:49,555 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i [2018-11-09 23:54:49,590 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/data/8fae4142d/9e090691f8d54b51a2e923aca79b661a/FLAG58df8c11b [2018-11-09 23:54:50,008 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:54:50,009 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i [2018-11-09 23:54:50,015 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/data/8fae4142d/9e090691f8d54b51a2e923aca79b661a/FLAG58df8c11b [2018-11-09 23:54:50,023 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/data/8fae4142d/9e090691f8d54b51a2e923aca79b661a [2018-11-09 23:54:50,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:54:50,026 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-09 23:54:50,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:54:50,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:54:50,029 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:54:50,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:54:50" (1/1) ... [2018-11-09 23:54:50,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49867e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50, skipping insertion in model container [2018-11-09 23:54:50,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:54:50" (1/1) ... [2018-11-09 23:54:50,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:54:50,067 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:54:50,243 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:54:50,250 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:54:50,281 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:54:50,311 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:54:50,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50 WrapperNode [2018-11-09 23:54:50,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:54:50,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:54:50,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:54:50,312 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:54:50,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50" (1/1) ... [2018-11-09 23:54:50,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50" (1/1) ... [2018-11-09 23:54:50,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50" (1/1) ... [2018-11-09 23:54:50,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50" (1/1) ... [2018-11-09 23:54:50,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50" (1/1) ... [2018-11-09 23:54:50,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50" (1/1) ... [2018-11-09 23:54:50,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50" (1/1) ... [2018-11-09 23:54:50,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:54:50,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:54:50,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:54:50,403 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:54:50,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:54:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-09 23:54:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:54:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-09 23:54:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-09 23:54:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-09 23:54:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-09 23:54:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-09 23:54:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-09 23:54:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-09 23:54:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-09 23:54:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-09 23:54:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-09 23:54:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-09 23:54:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-09 23:54:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-09 23:54:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-09 23:54:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-09 23:54:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-09 23:54:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-09 23:54:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-09 23:54:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-09 23:54:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-09 23:54:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-09 23:54:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-09 23:54:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-09 23:54:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-09 23:54:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-09 23:54:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-09 23:54:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-09 23:54:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-09 23:54:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-09 23:54:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-09 23:54:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-09 23:54:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-09 23:54:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-09 23:54:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-09 23:54:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-09 23:54:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-09 23:54:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-09 23:54:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-09 23:54:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-09 23:54:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-09 23:54:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-09 23:54:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-09 23:54:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-09 23:54:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-09 23:54:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-09 23:54:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-09 23:54:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-09 23:54:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-09 23:54:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-09 23:54:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-09 23:54:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-09 23:54:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-09 23:54:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-09 23:54:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-09 23:54:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-09 23:54:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-09 23:54:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-09 23:54:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-09 23:54:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-09 23:54:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-09 23:54:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-09 23:54:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-09 23:54:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-09 23:54:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-09 23:54:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-09 23:54:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-09 23:54:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-09 23:54:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-09 23:54:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-09 23:54:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-09 23:54:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-09 23:54:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-09 23:54:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-09 23:54:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-09 23:54:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-09 23:54:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-09 23:54:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-09 23:54:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-09 23:54:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-09 23:54:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-09 23:54:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-09 23:54:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-09 23:54:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-09 23:54:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-09 23:54:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-09 23:54:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-09 23:54:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-09 23:54:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-09 23:54:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-09 23:54:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-09 23:54:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-09 23:54:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-09 23:54:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-09 23:54:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-09 23:54:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-09 23:54:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-09 23:54:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-09 23:54:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-09 23:54:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-09 23:54:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-09 23:54:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-09 23:54:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-09 23:54:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:54:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-09 23:54:50,886 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:54:50,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:54:50 BoogieIcfgContainer [2018-11-09 23:54:50,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:54:50,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-09 23:54:50,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-09 23:54:50,889 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-09 23:54:50,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:54:50" (1/3) ... [2018-11-09 23:54:50,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec1d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:54:50, skipping insertion in model container [2018-11-09 23:54:50,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50" (2/3) ... [2018-11-09 23:54:50,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec1d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:54:50, skipping insertion in model container [2018-11-09 23:54:50,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:54:50" (3/3) ... [2018-11-09 23:54:50,892 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-queue_false-unreach-call_false-valid-memcleanup.i [2018-11-09 23:54:50,898 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-09 23:54:50,903 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2018-11-09 23:54:50,911 INFO L257 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2018-11-09 23:54:50,932 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-09 23:54:50,933 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-09 23:54:50,933 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-09 23:54:50,933 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-09 23:54:50,933 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-09 23:54:50,933 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-09 23:54:50,933 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-09 23:54:50,933 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-09 23:54:50,934 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-09 23:54:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-11-09 23:54:50,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-09 23:54:50,951 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:54:50,952 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 23:54:50,954 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:54:50,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:54:50,958 INFO L82 PathProgramCache]: Analyzing trace with hash 841440831, now seen corresponding path program 1 times [2018-11-09 23:54:50,959 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:54:50,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:54:50,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:50,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:54:50,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:54:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:54:51,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:54:51,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-09 23:54:51,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-09 23:54:51,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-09 23:54:51,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-09 23:54:51,063 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-11-09 23:54:51,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:54:51,086 INFO L93 Difference]: Finished difference Result 267 states and 377 transitions. [2018-11-09 23:54:51,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-09 23:54:51,087 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-11-09 23:54:51,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:54:51,096 INFO L225 Difference]: With dead ends: 267 [2018-11-09 23:54:51,096 INFO L226 Difference]: Without dead ends: 129 [2018-11-09 23:54:51,099 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-09 23:54:51,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-09 23:54:51,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-09 23:54:51,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-09 23:54:51,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 138 transitions. [2018-11-09 23:54:51,126 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 138 transitions. Word has length 15 [2018-11-09 23:54:51,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:54:51,126 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 138 transitions. [2018-11-09 23:54:51,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-09 23:54:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 138 transitions. [2018-11-09 23:54:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-09 23:54:51,127 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:54:51,127 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 23:54:51,127 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:54:51,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:54:51,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1108970135, now seen corresponding path program 1 times [2018-11-09 23:54:51,128 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:54:51,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:54:51,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:51,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:54:51,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:54:51,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:54:51,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:54:51,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-09 23:54:51,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-09 23:54:51,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-09 23:54:51,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-09 23:54:51,195 INFO L87 Difference]: Start difference. First operand 129 states and 138 transitions. Second operand 4 states. [2018-11-09 23:54:51,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:54:51,273 INFO L93 Difference]: Finished difference Result 129 states and 138 transitions. [2018-11-09 23:54:51,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-09 23:54:51,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-11-09 23:54:51,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:54:51,274 INFO L225 Difference]: With dead ends: 129 [2018-11-09 23:54:51,275 INFO L226 Difference]: Without dead ends: 119 [2018-11-09 23:54:51,275 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 [2018-11-09 23:54:51,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-09 23:54:51,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-09 23:54:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-09 23:54:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 128 transitions. [2018-11-09 23:54:51,281 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 128 transitions. Word has length 17 [2018-11-09 23:54:51,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:54:51,281 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 128 transitions. [2018-11-09 23:54:51,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-09 23:54:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 128 transitions. [2018-11-09 23:54:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-09 23:54:51,282 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:54:51,282 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] [2018-11-09 23:54:51,282 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:54:51,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:54:51,282 INFO L82 PathProgramCache]: Analyzing trace with hash 321167318, now seen corresponding path program 1 times [2018-11-09 23:54:51,283 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:54:51,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:54:51,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:51,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:54:51,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:54:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:54:51,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:54:51,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-09 23:54:51,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-09 23:54:51,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-09 23:54:51,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 23:54:51,312 INFO L87 Difference]: Start difference. First operand 119 states and 128 transitions. Second operand 3 states. [2018-11-09 23:54:51,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:54:51,359 INFO L93 Difference]: Finished difference Result 261 states and 286 transitions. [2018-11-09 23:54:51,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-09 23:54:51,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-09 23:54:51,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:54:51,361 INFO L225 Difference]: With dead ends: 261 [2018-11-09 23:54:51,361 INFO L226 Difference]: Without dead ends: 153 [2018-11-09 23:54:51,361 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 [2018-11-09 23:54:51,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-09 23:54:51,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 137. [2018-11-09 23:54:51,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-09 23:54:51,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 147 transitions. [2018-11-09 23:54:51,371 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 147 transitions. Word has length 25 [2018-11-09 23:54:51,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:54:51,371 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 147 transitions. [2018-11-09 23:54:51,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-09 23:54:51,371 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2018-11-09 23:54:51,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-09 23:54:51,372 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:54:51,372 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, 1] [2018-11-09 23:54:51,373 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:54:51,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:54:51,373 INFO L82 PathProgramCache]: Analyzing trace with hash -2125776148, now seen corresponding path program 1 times [2018-11-09 23:54:51,373 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:54:51,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:54:51,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:51,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:54:51,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:54:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:54:51,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:54:51,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-09 23:54:51,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-09 23:54:51,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-09 23:54:51,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-09 23:54:51,492 INFO L87 Difference]: Start difference. First operand 137 states and 147 transitions. Second operand 6 states. [2018-11-09 23:54:51,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:54:51,609 INFO L93 Difference]: Finished difference Result 158 states and 171 transitions. [2018-11-09 23:54:51,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-09 23:54:51,610 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-11-09 23:54:51,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:54:51,611 INFO L225 Difference]: With dead ends: 158 [2018-11-09 23:54:51,611 INFO L226 Difference]: Without dead ends: 131 [2018-11-09 23:54:51,611 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-09 23:54:51,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-09 23:54:51,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-09 23:54:51,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-09 23:54:51,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 139 transitions. [2018-11-09 23:54:51,619 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 139 transitions. Word has length 30 [2018-11-09 23:54:51,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:54:51,619 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 139 transitions. [2018-11-09 23:54:51,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-09 23:54:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 139 transitions. [2018-11-09 23:54:51,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-09 23:54:51,620 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:54:51,620 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, 1, 1] [2018-11-09 23:54:51,621 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:54:51,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:54:51,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1497740884, now seen corresponding path program 1 times [2018-11-09 23:54:51,621 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:54:51,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:54:51,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:51,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:54:51,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:54:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:54:51,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:54:51,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-09 23:54:51,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-09 23:54:51,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-09 23:54:51,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-09 23:54:51,756 INFO L87 Difference]: Start difference. First operand 131 states and 139 transitions. Second operand 11 states. [2018-11-09 23:54:52,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:54:52,051 INFO L93 Difference]: Finished difference Result 217 states and 229 transitions. [2018-11-09 23:54:52,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-09 23:54:52,052 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2018-11-09 23:54:52,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:54:52,053 INFO L225 Difference]: With dead ends: 217 [2018-11-09 23:54:52,053 INFO L226 Difference]: Without dead ends: 215 [2018-11-09 23:54:52,054 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-11-09 23:54:52,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-11-09 23:54:52,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 138. [2018-11-09 23:54:52,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-09 23:54:52,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2018-11-09 23:54:52,062 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 31 [2018-11-09 23:54:52,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:54:52,063 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2018-11-09 23:54:52,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-09 23:54:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2018-11-09 23:54:52,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-09 23:54:52,064 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:54:52,064 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-09 23:54:52,066 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:54:52,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:54:52,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1160462995, now seen corresponding path program 1 times [2018-11-09 23:54:52,067 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:54:52,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:54:52,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:52,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:54:52,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:54:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:54:52,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:54:52,217 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 23:54:52,217 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:54:52,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:54:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:54:52,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:54:52,280 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 [2018-11-09 23:54:52,281 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:54:52,287 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:54:52,287 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-09 23:54:52,299 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:54:52,301 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:54:52,302 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 [2018-11-09 23:54:52,302 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:54:52,306 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:54:52,307 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-11-09 23:54:52,327 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 [2018-11-09 23:54:52,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-11-09 23:54:52,329 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:54:52,330 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:54:52,335 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:54:52,336 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-11-09 23:54:52,381 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:54:52,387 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 38 treesize of output 45 [2018-11-09 23:54:52,395 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 14 treesize of output 13 [2018-11-09 23:54:52,395 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:54:52,402 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:54:52,407 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. [2018-11-09 23:54:52,408 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-11-09 23:54:52,487 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 49 treesize of output 39 [2018-11-09 23:54:52,496 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 20 treesize of output 31 [2018-11-09 23:54:52,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:54:52,505 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:54:52,518 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. [2018-11-09 23:54:52,519 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:49, output treesize:72 [2018-11-09 23:55:04,564 WARN L179 SmtUtils]: Spent 12.03 s on a formula simplification that was a NOOP. DAG size: 29 [2018-11-09 23:55:04,603 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 37 treesize of output 25 [2018-11-09 23:55:04,605 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 [2018-11-09 23:55:04,605 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:55:04,610 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 [2018-11-09 23:55:04,610 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:55:04,614 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:55:04,627 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 48 treesize of output 30 [2018-11-09 23:55:04,629 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 [2018-11-09 23:55:04,630 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:55:04,637 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 13 treesize of output 10 [2018-11-09 23:55:04,637 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-09 23:55:04,642 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:55:04,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:55:04,651 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:86, output treesize:4 [2018-11-09 23:55:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:55:04,682 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 23:55:04,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 18 [2018-11-09 23:55:04,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-09 23:55:04,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-09 23:55:04,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2018-11-09 23:55:04,682 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand 18 states. [2018-11-09 23:55:26,921 WARN L179 SmtUtils]: Spent 22.04 s on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-11-09 23:55:39,033 WARN L179 SmtUtils]: Spent 12.02 s on a formula simplification that was a NOOP. DAG size: 37 [2018-11-09 23:56:01,093 WARN L179 SmtUtils]: Spent 22.04 s on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-11-09 23:56:01,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:01,224 INFO L93 Difference]: Finished difference Result 226 states and 239 transitions. [2018-11-09 23:56:01,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-09 23:56:01,225 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 45 [2018-11-09 23:56:01,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:01,226 INFO L225 Difference]: With dead ends: 226 [2018-11-09 23:56:01,226 INFO L226 Difference]: Without dead ends: 224 [2018-11-09 23:56:01,227 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 36 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 68.5s TimeCoverageRelationStatistics Valid=192, Invalid=738, Unknown=0, NotChecked=0, Total=930 [2018-11-09 23:56:01,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-11-09 23:56:01,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 152. [2018-11-09 23:56:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-09 23:56:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2018-11-09 23:56:01,236 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 45 [2018-11-09 23:56:01,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:01,236 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2018-11-09 23:56:01,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-09 23:56:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2018-11-09 23:56:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-09 23:56:01,237 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:01,237 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-09 23:56:01,237 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:01,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:01,238 INFO L82 PathProgramCache]: Analyzing trace with hash 391367930, now seen corresponding path program 1 times [2018-11-09 23:56:01,238 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:01,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:01,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:01,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:01,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:01,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:01,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:56:01,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-09 23:56:01,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-09 23:56:01,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-09 23:56:01,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 23:56:01,261 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand 3 states. [2018-11-09 23:56:01,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:01,291 INFO L93 Difference]: Finished difference Result 303 states and 328 transitions. [2018-11-09 23:56:01,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-09 23:56:01,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-09 23:56:01,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:01,293 INFO L225 Difference]: With dead ends: 303 [2018-11-09 23:56:01,293 INFO L226 Difference]: Without dead ends: 195 [2018-11-09 23:56:01,293 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 [2018-11-09 23:56:01,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-11-09 23:56:01,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 177. [2018-11-09 23:56:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-11-09 23:56:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 188 transitions. [2018-11-09 23:56:01,302 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 188 transitions. Word has length 46 [2018-11-09 23:56:01,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:01,302 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 188 transitions. [2018-11-09 23:56:01,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-09 23:56:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 188 transitions. [2018-11-09 23:56:01,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-09 23:56:01,303 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:01,303 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-09 23:56:01,303 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:01,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:01,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1737047087, now seen corresponding path program 1 times [2018-11-09 23:56:01,304 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:01,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:01,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:01,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:01,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:01,513 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 23:56:01,513 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:56:01,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:01,541 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:56:01,563 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 [2018-11-09 23:56:01,564 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 [2018-11-09 23:56:01,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:01,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:01,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:01,568 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2018-11-09 23:56:01,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 39 [2018-11-09 23:56:01,613 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 21 [2018-11-09 23:56:01,613 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:01,627 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2018-11-09 23:56:01,627 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:01,633 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:01,636 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. [2018-11-09 23:56:01,636 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2018-11-09 23:56:01,662 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 29 treesize of output 27 [2018-11-09 23:56:01,667 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 1 case distinctions, treesize of input 19 treesize of output 15 [2018-11-09 23:56:01,668 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:01,678 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 12 [2018-11-09 23:56:01,678 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:01,687 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 [2018-11-09 23:56:01,687 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:01,690 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:01,692 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:01,692 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:29, output treesize:4 [2018-11-09 23:56:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-09 23:56:01,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-09 23:56:01,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2018-11-09 23:56:01,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-09 23:56:01,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-09 23:56:01,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2018-11-09 23:56:01,721 INFO L87 Difference]: Start difference. First operand 177 states and 188 transitions. Second operand 23 states. [2018-11-09 23:56:02,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:02,894 INFO L93 Difference]: Finished difference Result 179 states and 190 transitions. [2018-11-09 23:56:02,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-09 23:56:02,895 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 52 [2018-11-09 23:56:02,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:02,896 INFO L225 Difference]: With dead ends: 179 [2018-11-09 23:56:02,896 INFO L226 Difference]: Without dead ends: 177 [2018-11-09 23:56:02,897 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=538, Invalid=1624, Unknown=0, NotChecked=0, Total=2162 [2018-11-09 23:56:02,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-11-09 23:56:02,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 175. [2018-11-09 23:56:02,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-09 23:56:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 185 transitions. [2018-11-09 23:56:02,903 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 185 transitions. Word has length 52 [2018-11-09 23:56:02,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:02,903 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 185 transitions. [2018-11-09 23:56:02,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-09 23:56:02,904 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 185 transitions. [2018-11-09 23:56:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-09 23:56:02,904 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:02,904 INFO L375 BasicCegarLoop]: trace histogram [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, 1] [2018-11-09 23:56:02,905 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:02,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:02,905 INFO L82 PathProgramCache]: Analyzing trace with hash 2116558933, now seen corresponding path program 1 times [2018-11-09 23:56:02,905 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:02,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:02,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:02,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:02,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-09 23:56:02,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:56:02,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-09 23:56:02,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-09 23:56:02,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-09 23:56:02,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 23:56:02,945 INFO L87 Difference]: Start difference. First operand 175 states and 185 transitions. Second operand 3 states. [2018-11-09 23:56:02,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:02,954 INFO L93 Difference]: Finished difference Result 178 states and 188 transitions. [2018-11-09 23:56:02,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-09 23:56:02,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-11-09 23:56:02,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:02,956 INFO L225 Difference]: With dead ends: 178 [2018-11-09 23:56:02,956 INFO L226 Difference]: Without dead ends: 176 [2018-11-09 23:56:02,956 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 [2018-11-09 23:56:02,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-11-09 23:56:02,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-11-09 23:56:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-11-09 23:56:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 186 transitions. [2018-11-09 23:56:02,964 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 186 transitions. Word has length 57 [2018-11-09 23:56:02,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:02,965 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 186 transitions. [2018-11-09 23:56:02,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-09 23:56:02,965 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 186 transitions. [2018-11-09 23:56:02,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-09 23:56:02,966 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:02,966 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-11-09 23:56:02,966 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:02,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:02,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1799658664, now seen corresponding path program 1 times [2018-11-09 23:56:02,966 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:02,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:02,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:02,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:02,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:03,372 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 23:56:03,373 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:56:03,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:03,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:56:03,410 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 6 treesize of output 5 [2018-11-09 23:56:03,411 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,413 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-09 23:56:03,497 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:03,498 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:03,499 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 [2018-11-09 23:56:03,499 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,504 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,505 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-11-09 23:56:03,533 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 [2018-11-09 23:56:03,535 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 [2018-11-09 23:56:03,535 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,539 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,547 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 [2018-11-09 23:56:03,549 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 [2018-11-09 23:56:03,549 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,551 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,556 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2018-11-09 23:56:03,603 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:03,608 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 29 treesize of output 30 [2018-11-09 23:56:03,611 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 [2018-11-09 23:56:03,611 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,617 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,630 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:03,636 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2018-11-09 23:56:03,638 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 [2018-11-09 23:56:03,638 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,645 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,655 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. [2018-11-09 23:56:03,655 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:64, output treesize:48 [2018-11-09 23:56:03,754 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 39 treesize of output 49 [2018-11-09 23:56:03,764 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 20 treesize of output 39 [2018-11-09 23:56:03,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:03,779 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:03,803 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 78 treesize of output 69 [2018-11-09 23:56:03,805 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:03,806 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 16 treesize of output 17 [2018-11-09 23:56:03,806 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,814 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,820 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 82 treesize of output 73 [2018-11-09 23:56:03,828 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 16 treesize of output 31 [2018-11-09 23:56:03,829 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:03,841 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:03,865 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. [2018-11-09 23:56:03,865 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:78, output treesize:135 [2018-11-09 23:56:03,917 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 25 treesize of output 18 [2018-11-09 23:56:03,919 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 [2018-11-09 23:56:03,919 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,920 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,926 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:71, output treesize:63 [2018-11-09 23:56:03,963 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 63 treesize of output 49 [2018-11-09 23:56:03,969 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 7 [2018-11-09 23:56:03,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,983 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 40 treesize of output 29 [2018-11-09 23:56:03,983 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,989 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:03,999 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 39 treesize of output 33 [2018-11-09 23:56:04,005 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 18 [2018-11-09 23:56:04,005 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:04,012 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 3 [2018-11-09 23:56:04,013 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:04,038 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:04,042 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:04,042 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:77, output treesize:13 [2018-11-09 23:56:04,091 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 [2018-11-09 23:56:04,093 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 [2018-11-09 23:56:04,093 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:04,094 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:04,095 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:04,095 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-09 23:56:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:04,138 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 23:56:04,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17] total 34 [2018-11-09 23:56:04,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-09 23:56:04,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-09 23:56:04,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1032, Unknown=0, NotChecked=0, Total=1122 [2018-11-09 23:56:04,139 INFO L87 Difference]: Start difference. First operand 176 states and 186 transitions. Second operand 34 states. [2018-11-09 23:56:05,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:05,763 INFO L93 Difference]: Finished difference Result 232 states and 244 transitions. [2018-11-09 23:56:05,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-09 23:56:05,764 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 59 [2018-11-09 23:56:05,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:05,764 INFO L225 Difference]: With dead ends: 232 [2018-11-09 23:56:05,765 INFO L226 Difference]: Without dead ends: 230 [2018-11-09 23:56:05,765 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 47 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=526, Invalid=3014, Unknown=0, NotChecked=0, Total=3540 [2018-11-09 23:56:05,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-09 23:56:05,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 189. [2018-11-09 23:56:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-11-09 23:56:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 200 transitions. [2018-11-09 23:56:05,770 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 200 transitions. Word has length 59 [2018-11-09 23:56:05,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:05,771 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 200 transitions. [2018-11-09 23:56:05,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-09 23:56:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 200 transitions. [2018-11-09 23:56:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-09 23:56:05,771 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:05,772 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-11-09 23:56:05,772 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:05,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:05,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1625001648, now seen corresponding path program 1 times [2018-11-09 23:56:05,772 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:05,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:05,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:05,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:05,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 23:56:05,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:56:05,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-09 23:56:05,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-09 23:56:05,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-09 23:56:05,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 23:56:05,810 INFO L87 Difference]: Start difference. First operand 189 states and 200 transitions. Second operand 3 states. [2018-11-09 23:56:05,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:05,834 INFO L93 Difference]: Finished difference Result 366 states and 394 transitions. [2018-11-09 23:56:05,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-09 23:56:05,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-09 23:56:05,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:05,835 INFO L225 Difference]: With dead ends: 366 [2018-11-09 23:56:05,835 INFO L226 Difference]: Without dead ends: 234 [2018-11-09 23:56:05,836 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 [2018-11-09 23:56:05,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-11-09 23:56:05,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 214. [2018-11-09 23:56:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-11-09 23:56:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 226 transitions. [2018-11-09 23:56:05,844 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 226 transitions. Word has length 66 [2018-11-09 23:56:05,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:05,845 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 226 transitions. [2018-11-09 23:56:05,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-09 23:56:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 226 transitions. [2018-11-09 23:56:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-09 23:56:05,846 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:05,846 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-11-09 23:56:05,846 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:05,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:05,846 INFO L82 PathProgramCache]: Analyzing trace with hash -58690083, now seen corresponding path program 1 times [2018-11-09 23:56:05,846 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:05,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:05,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:05,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:05,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:06,217 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:06,217 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 23:56:06,217 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:56:06,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:06,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:56:06,242 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 [2018-11-09 23:56:06,243 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:06,247 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:06,247 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-09 23:56:06,321 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:06,321 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:06,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-09 23:56:06,322 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:06,328 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. [2018-11-09 23:56:06,328 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:24 [2018-11-09 23:56:06,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 43 [2018-11-09 23:56:06,422 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 28 treesize of output 31 [2018-11-09 23:56:06,422 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:06,433 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:06,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 44 [2018-11-09 23:56:06,461 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 30 treesize of output 41 [2018-11-09 23:56:06,462 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:06,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 34 [2018-11-09 23:56:06,481 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:06,505 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:06,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-09 23:56:06,527 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:54, output treesize:105 [2018-11-09 23:56:06,830 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2018-11-09 23:56:07,007 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,008 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,008 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,009 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 62 treesize of output 59 [2018-11-09 23:56:07,009 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,059 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,060 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,060 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,061 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 74 treesize of output 71 [2018-11-09 23:56:07,061 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,107 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,108 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,109 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,110 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 74 treesize of output 71 [2018-11-09 23:56:07,110 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-09 23:56:07,160 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:211, output treesize:166 [2018-11-09 23:56:07,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,245 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 95 [2018-11-09 23:56:07,250 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 86 treesize of output 78 [2018-11-09 23:56:07,250 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,295 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,296 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,297 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,298 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 75 treesize of output 101 [2018-11-09 23:56:07,298 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,321 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,414 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 4 case distinctions, treesize of input 70 treesize of output 84 [2018-11-09 23:56:07,417 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 73 treesize of output 67 [2018-11-09 23:56:07,418 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,469 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,471 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 66 treesize of output 86 [2018-11-09 23:56:07,472 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,505 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:07,589 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 69 treesize of output 60 [2018-11-09 23:56:07,592 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 28 treesize of output 18 [2018-11-09 23:56:07,592 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,604 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,676 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 81 treesize of output 95 [2018-11-09 23:56:07,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 85 [2018-11-09 23:56:07,681 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,794 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 76 treesize of output 70 [2018-11-09 23:56:07,794 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,828 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,893 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,904 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 3 case distinctions, treesize of input 70 treesize of output 84 [2018-11-09 23:56:07,908 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 75 treesize of output 67 [2018-11-09 23:56:07,908 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:07,962 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:07,963 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 64 treesize of output 74 [2018-11-09 23:56:07,964 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,027 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:08,092 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:08,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 51 [2018-11-09 23:56:08,095 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 12 [2018-11-09 23:56:08,095 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,105 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-09 23:56:08,138 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 12 variables, input treesize:232, output treesize:132 [2018-11-09 23:56:08,261 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:08,276 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 4 case distinctions, treesize of input 91 treesize of output 100 [2018-11-09 23:56:08,281 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 85 treesize of output 87 [2018-11-09 23:56:08,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,322 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 80 treesize of output 79 [2018-11-09 23:56:08,322 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,344 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,410 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:08,424 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 4 case distinctions, treesize of input 91 treesize of output 100 [2018-11-09 23:56:08,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 99 [2018-11-09 23:56:08,427 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,478 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 68 [2018-11-09 23:56:08,541 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 [2018-11-09 23:56:08,541 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,554 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,604 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:08,608 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 83 treesize of output 84 [2018-11-09 23:56:08,610 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 14 treesize of output 13 [2018-11-09 23:56:08,611 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,624 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,678 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:08,682 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2018-11-09 23:56:08,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 13 [2018-11-09 23:56:08,684 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,692 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,739 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 79 treesize of output 72 [2018-11-09 23:56:08,753 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 14 treesize of output 13 [2018-11-09 23:56:08,753 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,771 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:08,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-11-09 23:56:08,809 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 9 variables, input treesize:258, output treesize:202 [2018-11-09 23:56:09,104 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 4 case distinctions, treesize of input 167 treesize of output 129 [2018-11-09 23:56:09,120 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 4 case distinctions, treesize of input 113 treesize of output 128 [2018-11-09 23:56:09,121 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-11-09 23:56:09,216 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 138 treesize of output 157 [2018-11-09 23:56:09,216 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:09,290 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-09 23:56:09,495 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 167 treesize of output 141 [2018-11-09 23:56:09,503 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 32 treesize of output 51 [2018-11-09 23:56:09,504 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:09,521 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:09,741 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 81 [2018-11-09 23:56:09,744 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:09,748 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 20 treesize of output 35 [2018-11-09 23:56:09,749 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:09,765 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:10,006 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:10,014 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 131 treesize of output 111 [2018-11-09 23:56:10,024 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 78 [2018-11-09 23:56:10,025 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:10,079 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 100 treesize of output 92 [2018-11-09 23:56:10,079 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:10,108 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:10,124 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 4 case distinctions, treesize of input 151 treesize of output 119 [2018-11-09 23:56:10,132 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:10,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 142 treesize of output 161 [2018-11-09 23:56:10,141 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:10,198 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:10,207 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 4 case distinctions, treesize of input 95 treesize of output 103 [2018-11-09 23:56:10,207 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2018-11-09 23:56:10,285 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-09 23:56:10,581 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:10,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 67 [2018-11-09 23:56:10,584 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 25 treesize of output 20 [2018-11-09 23:56:10,584 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:10,592 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:10,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 70 [2018-11-09 23:56:10,596 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:10,596 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:10,597 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 44 [2018-11-09 23:56:10,597 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:10,607 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:10,803 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:10,804 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 111 [2018-11-09 23:56:10,806 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 38 treesize of output 33 [2018-11-09 23:56:10,806 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:10,815 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:10,818 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:10,819 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 90 treesize of output 83 [2018-11-09 23:56:10,822 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 30 treesize of output 29 [2018-11-09 23:56:10,822 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:10,839 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:10,844 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 151 treesize of output 125 [2018-11-09 23:56:10,848 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:10,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 59 [2018-11-09 23:56:10,854 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:10,873 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:10,877 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 102 treesize of output 89 [2018-11-09 23:56:10,880 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:10,881 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:10,881 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 53 [2018-11-09 23:56:10,881 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:10,897 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:11,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-2 vars, End of recursive call: 11 dim-0 vars, and 10 xjuncts. [2018-11-09 23:56:11,040 INFO L202 ElimStorePlain]: Needed 26 recursive calls to eliminate 12 variables, input treesize:426, output treesize:879 [2018-11-09 23:56:11,287 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 94 [2018-11-09 23:56:11,503 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 61 treesize of output 47 [2018-11-09 23:56:11,505 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 31 treesize of output 20 [2018-11-09 23:56:11,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:11,521 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 [2018-11-09 23:56:11,522 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:11,528 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:11,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 53 [2018-11-09 23:56:11,613 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 [2018-11-09 23:56:11,613 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:11,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-09 23:56:11,621 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:11,626 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:11,699 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 2 case distinctions, treesize of input 93 treesize of output 82 [2018-11-09 23:56:11,701 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 67 treesize of output 44 [2018-11-09 23:56:11,702 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:11,753 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 71 treesize of output 47 [2018-11-09 23:56:11,753 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:11,814 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 44 treesize of output 39 [2018-11-09 23:56:11,814 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:11,852 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 54 [2018-11-09 23:56:11,852 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:11,888 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 42 [2018-11-09 23:56:11,888 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:11,941 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 57 treesize of output 51 [2018-11-09 23:56:11,942 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-09 23:56:11,988 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 42 treesize of output 35 [2018-11-09 23:56:11,988 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,034 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 54 treesize of output 39 [2018-11-09 23:56:12,035 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:12,078 INFO L267 ElimStorePlain]: Start of recursive call 8: 8 dim-1 vars, End of recursive call: 4 dim-0 vars, and 5 xjuncts. [2018-11-09 23:56:12,203 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 97 treesize of output 86 [2018-11-09 23:56:12,205 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 [2018-11-09 23:56:12,206 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,215 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 59 treesize of output 46 [2018-11-09 23:56:12,215 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,222 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,346 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 2 case distinctions, treesize of input 53 treesize of output 50 [2018-11-09 23:56:12,348 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 33 treesize of output 28 [2018-11-09 23:56:12,349 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,374 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 39 treesize of output 34 [2018-11-09 23:56:12,374 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,402 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 29 treesize of output 29 [2018-11-09 23:56:12,402 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:12,429 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 24 [2018-11-09 23:56:12,429 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,454 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 34 treesize of output 27 [2018-11-09 23:56:12,454 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-09 23:56:12,478 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,506 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 18 treesize of output 13 [2018-11-09 23:56:12,506 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,510 INFO L267 ElimStorePlain]: Start of recursive call 20: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 76 [2018-11-09 23:56:12,576 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:12,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2018-11-09 23:56:12,577 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,587 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 [2018-11-09 23:56:12,587 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,593 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2018-11-09 23:56:12,641 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-11-09 23:56:12,641 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,648 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:12,648 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:12,649 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 11 [2018-11-09 23:56:12,649 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,655 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,700 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 27 treesize of output 21 [2018-11-09 23:56:12,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 5 [2018-11-09 23:56:12,702 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,705 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 5 treesize of output 1 [2018-11-09 23:56:12,705 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,707 INFO L267 ElimStorePlain]: Start of recursive call 34: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2018-11-09 23:56:12,747 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 [2018-11-09 23:56:12,747 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,753 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 5 treesize of output 1 [2018-11-09 23:56:12,753 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,757 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,759 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 31 treesize of output 25 [2018-11-09 23:56:12,760 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 5 treesize of output 1 [2018-11-09 23:56:12,760 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,764 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 [2018-11-09 23:56:12,765 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,767 INFO L267 ElimStorePlain]: Start of recursive call 40: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-11-09 23:56:12,774 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 [2018-11-09 23:56:12,774 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,782 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 [2018-11-09 23:56:12,782 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,787 INFO L267 ElimStorePlain]: Start of recursive call 43: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2018-11-09 23:56:12,885 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 [2018-11-09 23:56:12,885 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,903 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 [2018-11-09 23:56:12,903 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,909 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:12,939 INFO L267 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 12 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:12,939 INFO L202 ElimStorePlain]: Needed 48 recursive calls to eliminate 26 variables, input treesize:552, output treesize:9 [2018-11-09 23:56:13,044 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:13,069 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 23:56:13,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 39 [2018-11-09 23:56:13,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-11-09 23:56:13,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-11-09 23:56:13,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1359, Unknown=0, NotChecked=0, Total=1482 [2018-11-09 23:56:13,070 INFO L87 Difference]: Start difference. First operand 214 states and 226 transitions. Second operand 39 states. [2018-11-09 23:56:14,935 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 78 [2018-11-09 23:56:16,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:16,274 INFO L93 Difference]: Finished difference Result 293 states and 308 transitions. [2018-11-09 23:56:16,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-09 23:56:16,274 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 67 [2018-11-09 23:56:16,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:16,275 INFO L225 Difference]: With dead ends: 293 [2018-11-09 23:56:16,275 INFO L226 Difference]: Without dead ends: 291 [2018-11-09 23:56:16,276 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 47 SyntacticMatches, 5 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=621, Invalid=3539, Unknown=0, NotChecked=0, Total=4160 [2018-11-09 23:56:16,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-11-09 23:56:16,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 246. [2018-11-09 23:56:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-09 23:56:16,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 259 transitions. [2018-11-09 23:56:16,288 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 259 transitions. Word has length 67 [2018-11-09 23:56:16,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:16,288 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 259 transitions. [2018-11-09 23:56:16,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-11-09 23:56:16,288 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 259 transitions. [2018-11-09 23:56:16,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-09 23:56:16,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:16,289 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-11-09 23:56:16,290 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:16,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:16,290 INFO L82 PathProgramCache]: Analyzing trace with hash -2050992758, now seen corresponding path program 1 times [2018-11-09 23:56:16,290 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:16,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:16,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:16,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:16,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-09 23:56:16,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:56:16,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-09 23:56:16,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-09 23:56:16,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-09 23:56:16,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-09 23:56:16,318 INFO L87 Difference]: Start difference. First operand 246 states and 259 transitions. Second operand 4 states. [2018-11-09 23:56:16,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:16,369 INFO L93 Difference]: Finished difference Result 279 states and 294 transitions. [2018-11-09 23:56:16,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-09 23:56:16,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 69 [2018-11-09 23:56:16,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:16,370 INFO L225 Difference]: With dead ends: 279 [2018-11-09 23:56:16,370 INFO L226 Difference]: Without dead ends: 264 [2018-11-09 23:56:16,370 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 [2018-11-09 23:56:16,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-11-09 23:56:16,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 262. [2018-11-09 23:56:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-11-09 23:56:16,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 275 transitions. [2018-11-09 23:56:16,382 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 275 transitions. Word has length 69 [2018-11-09 23:56:16,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:16,382 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 275 transitions. [2018-11-09 23:56:16,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-09 23:56:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 275 transitions. [2018-11-09 23:56:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-09 23:56:16,383 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:16,383 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 23:56:16,383 INFO L424 AbstractCegarLoop]: === Iteration 14 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:16,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:16,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1846553613, now seen corresponding path program 1 times [2018-11-09 23:56:16,383 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:16,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:16,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:16,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:16,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:16,593 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 23:56:16,593 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:56:16,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:16,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:56:16,617 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 [2018-11-09 23:56:16,617 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,622 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,623 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-09 23:56:16,630 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:16,631 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:16,631 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 [2018-11-09 23:56:16,631 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,634 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-09 23:56:16,639 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 [2018-11-09 23:56:16,640 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 [2018-11-09 23:56:16,640 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,642 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,646 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,646 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-11-09 23:56:16,662 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 30 treesize of output 26 [2018-11-09 23:56:16,663 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 14 treesize of output 13 [2018-11-09 23:56:16,663 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,671 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. [2018-11-09 23:56:16,671 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-11-09 23:56:16,738 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 68 treesize of output 58 [2018-11-09 23:56:16,746 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 24 treesize of output 39 [2018-11-09 23:56:16,746 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:16,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:16,774 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 60 treesize of output 53 [2018-11-09 23:56:16,775 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 [2018-11-09 23:56:16,775 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,780 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,784 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 49 [2018-11-09 23:56:16,785 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 [2018-11-09 23:56:16,785 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,790 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,803 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. [2018-11-09 23:56:16,803 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:68, output treesize:92 [2018-11-09 23:56:16,910 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 56 [2018-11-09 23:56:16,913 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-11-09 23:56:16,913 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:16,929 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 3 [2018-11-09 23:56:16,929 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:16,951 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 23 treesize of output 19 [2018-11-09 23:56:16,953 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 15 treesize of output 11 [2018-11-09 23:56:16,953 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:16,966 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 [2018-11-09 23:56:16,967 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,969 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:16,976 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:69, output treesize:7 [2018-11-09 23:56:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:17,064 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 23:56:17,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 25 [2018-11-09 23:56:17,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-09 23:56:17,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-09 23:56:17,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=532, Unknown=6, NotChecked=0, Total=600 [2018-11-09 23:56:17,065 INFO L87 Difference]: Start difference. First operand 262 states and 275 transitions. Second operand 25 states. [2018-11-09 23:56:17,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:17,908 INFO L93 Difference]: Finished difference Result 282 states and 295 transitions. [2018-11-09 23:56:17,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-09 23:56:17,908 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 71 [2018-11-09 23:56:17,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:17,909 INFO L225 Difference]: With dead ends: 282 [2018-11-09 23:56:17,909 INFO L226 Difference]: Without dead ends: 238 [2018-11-09 23:56:17,910 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 58 SyntacticMatches, 10 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=277, Invalid=1608, Unknown=7, NotChecked=0, Total=1892 [2018-11-09 23:56:17,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-11-09 23:56:17,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-11-09 23:56:17,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-11-09 23:56:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 250 transitions. [2018-11-09 23:56:17,918 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 250 transitions. Word has length 71 [2018-11-09 23:56:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:17,919 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 250 transitions. [2018-11-09 23:56:17,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-09 23:56:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 250 transitions. [2018-11-09 23:56:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-09 23:56:17,919 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:17,919 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1] [2018-11-09 23:56:17,920 INFO L424 AbstractCegarLoop]: === Iteration 15 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:17,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:17,920 INFO L82 PathProgramCache]: Analyzing trace with hash -561295126, now seen corresponding path program 1 times [2018-11-09 23:56:17,920 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:17,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:17,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:17,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:17,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:18,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 23:56:18,319 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:56:18,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:18,342 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:56:18,344 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 [2018-11-09 23:56:18,344 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,346 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-09 23:56:18,391 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:18,391 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:18,392 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 [2018-11-09 23:56:18,392 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,397 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,397 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-11-09 23:56:18,419 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 [2018-11-09 23:56:18,421 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 [2018-11-09 23:56:18,421 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,422 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,430 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 [2018-11-09 23:56:18,431 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 [2018-11-09 23:56:18,432 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,433 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,440 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2018-11-09 23:56:18,487 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 14 [2018-11-09 23:56:18,488 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 [2018-11-09 23:56:18,488 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,490 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:18,504 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2018-11-09 23:56:18,505 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 [2018-11-09 23:56:18,506 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,511 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,518 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. [2018-11-09 23:56:18,519 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:71, output treesize:55 [2018-11-09 23:56:18,633 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 38 [2018-11-09 23:56:18,642 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 20 treesize of output 39 [2018-11-09 23:56:18,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:18,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:18,677 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 84 treesize of output 79 [2018-11-09 23:56:18,696 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 16 treesize of output 31 [2018-11-09 23:56:18,696 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:18,714 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:18,719 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 80 treesize of output 75 [2018-11-09 23:56:18,721 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:18,722 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 16 treesize of output 17 [2018-11-09 23:56:18,722 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,732 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,761 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. [2018-11-09 23:56:18,761 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:85, output treesize:141 [2018-11-09 23:56:18,815 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:18,816 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:18,816 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:18,817 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 20 treesize of output 21 [2018-11-09 23:56:18,817 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,825 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:61 [2018-11-09 23:56:18,868 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 45 treesize of output 55 [2018-11-09 23:56:18,870 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 22 treesize of output 23 [2018-11-09 23:56:18,870 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,875 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,887 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:18,887 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 53 treesize of output 58 [2018-11-09 23:56:18,889 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 24 treesize of output 23 [2018-11-09 23:56:18,889 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,895 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,903 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:83, output treesize:59 [2018-11-09 23:56:18,961 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:18,964 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 69 treesize of output 70 [2018-11-09 23:56:18,965 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 [2018-11-09 23:56:18,965 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,972 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,982 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:18,986 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 78 treesize of output 86 [2018-11-09 23:56:18,988 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 14 treesize of output 13 [2018-11-09 23:56:18,988 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:18,996 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,004 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. [2018-11-09 23:56:19,004 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:101, output treesize:81 [2018-11-09 23:56:19,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 147 [2018-11-09 23:56:19,150 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 32 treesize of output 51 [2018-11-09 23:56:19,150 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:19,167 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:19,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 106 [2018-11-09 23:56:19,206 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 32 treesize of output 25 [2018-11-09 23:56:19,207 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,215 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,221 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 165 treesize of output 122 [2018-11-09 23:56:19,229 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 32 treesize of output 51 [2018-11-09 23:56:19,230 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:19,244 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:19,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-09 23:56:19,272 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:181, output treesize:253 [2018-11-09 23:56:19,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 106 [2018-11-09 23:56:19,370 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 71 treesize of output 58 [2018-11-09 23:56:19,370 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,384 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 7 treesize of output 1 [2018-11-09 23:56:19,384 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,392 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 134 [2018-11-09 23:56:19,419 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 101 treesize of output 104 [2018-11-09 23:56:19,419 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,436 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 109 treesize of output 87 [2018-11-09 23:56:19,436 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:19,466 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:19,505 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 11 dim-0 vars, and 3 xjuncts. [2018-11-09 23:56:19,505 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:281, output treesize:267 [2018-11-09 23:56:19,603 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 44 [2018-11-09 23:56:19,605 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 15 treesize of output 11 [2018-11-09 23:56:19,605 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-09 23:56:19,611 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,615 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 [2018-11-09 23:56:19,615 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,618 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,635 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 57 [2018-11-09 23:56:19,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 19 [2018-11-09 23:56:19,637 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,644 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 28 treesize of output 17 [2018-11-09 23:56:19,644 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,651 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 22 treesize of output 15 [2018-11-09 23:56:19,652 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,655 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:19,661 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:180, output treesize:4 [2018-11-09 23:56:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:19,721 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 23:56:19,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 41 [2018-11-09 23:56:19,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-11-09 23:56:19,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-11-09 23:56:19,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1492, Unknown=0, NotChecked=0, Total=1640 [2018-11-09 23:56:19,722 INFO L87 Difference]: Start difference. First operand 238 states and 250 transitions. Second operand 41 states. [2018-11-09 23:56:21,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:21,840 INFO L93 Difference]: Finished difference Result 266 states and 279 transitions. [2018-11-09 23:56:21,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-09 23:56:21,841 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 72 [2018-11-09 23:56:21,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:21,842 INFO L225 Difference]: With dead ends: 266 [2018-11-09 23:56:21,842 INFO L226 Difference]: Without dead ends: 264 [2018-11-09 23:56:21,843 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=595, Invalid=3565, Unknown=0, NotChecked=0, Total=4160 [2018-11-09 23:56:21,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-11-09 23:56:21,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 243. [2018-11-09 23:56:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-11-09 23:56:21,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 255 transitions. [2018-11-09 23:56:21,854 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 255 transitions. Word has length 72 [2018-11-09 23:56:21,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:21,854 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 255 transitions. [2018-11-09 23:56:21,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-11-09 23:56:21,855 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 255 transitions. [2018-11-09 23:56:21,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-09 23:56:21,855 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:21,855 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 23:56:21,856 INFO L424 AbstractCegarLoop]: === Iteration 16 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:21,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:21,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1440996911, now seen corresponding path program 1 times [2018-11-09 23:56:21,856 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:21,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:21,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:21,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:21,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:23,047 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 23:56:23,047 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:56:23,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:23,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:56:23,082 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 [2018-11-09 23:56:23,082 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,085 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-09 23:56:23,142 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:23,142 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:23,143 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-09 23:56:23,143 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,149 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-11-09 23:56:23,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-09 23:56:23,176 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 [2018-11-09 23:56:23,176 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,178 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,186 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 [2018-11-09 23:56:23,187 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 [2018-11-09 23:56:23,188 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,190 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,199 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-11-09 23:56:23,256 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:23,260 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 59 [2018-11-09 23:56:23,261 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 [2018-11-09 23:56:23,262 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,267 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,278 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 29 treesize of output 30 [2018-11-09 23:56:23,280 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 14 treesize of output 13 [2018-11-09 23:56:23,280 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,283 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,291 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. [2018-11-09 23:56:23,291 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:78, output treesize:62 [2018-11-09 23:56:23,409 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 62 treesize of output 53 [2018-11-09 23:56:23,416 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 16 treesize of output 31 [2018-11-09 23:56:23,416 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:23,429 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:23,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 82 [2018-11-09 23:56:23,458 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:23,459 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 [2018-11-09 23:56:23,459 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,468 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,473 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 83 treesize of output 100 [2018-11-09 23:56:23,480 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 20 treesize of output 51 [2018-11-09 23:56:23,480 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:23,496 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:23,526 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. [2018-11-09 23:56:23,526 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:92, output treesize:179 [2018-11-09 23:56:23,591 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 [2018-11-09 23:56:23,593 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 [2018-11-09 23:56:23,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,603 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:79, output treesize:79 [2018-11-09 23:56:23,645 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:23,646 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:23,647 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:23,647 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 [2018-11-09 23:56:23,647 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,657 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:84, output treesize:77 [2018-11-09 23:56:23,702 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 66 treesize of output 65 [2018-11-09 23:56:23,704 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 18 treesize of output 26 [2018-11-09 23:56:23,705 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,712 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,728 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 52 treesize of output 58 [2018-11-09 23:56:23,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 30 [2018-11-09 23:56:23,730 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,736 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,745 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,745 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:99, output treesize:67 [2018-11-09 23:56:23,819 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:23,820 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:23,825 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 107 [2018-11-09 23:56:23,827 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 14 treesize of output 13 [2018-11-09 23:56:23,827 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,836 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,850 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 36 treesize of output 37 [2018-11-09 23:56:23,852 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 [2018-11-09 23:56:23,852 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,857 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:23,866 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. [2018-11-09 23:56:23,866 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:109, output treesize:81 [2018-11-09 23:56:24,027 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 137 treesize of output 120 [2018-11-09 23:56:24,030 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:24,031 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 24 [2018-11-09 23:56:24,031 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,042 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,063 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 113 treesize of output 91 [2018-11-09 23:56:24,082 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 20 treesize of output 27 [2018-11-09 23:56:24,082 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:24,099 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:24,127 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. [2018-11-09 23:56:24,128 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:156, output treesize:219 [2018-11-09 23:56:24,207 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 60 [2018-11-09 23:56:24,209 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 [2018-11-09 23:56:24,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,213 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,224 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. [2018-11-09 23:56:24,225 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:144, output treesize:128 [2018-11-09 23:56:24,310 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 128 treesize of output 91 [2018-11-09 23:56:24,312 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 27 [2018-11-09 23:56:24,313 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:24,324 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 [2018-11-09 23:56:24,324 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-11-09 23:56:24,332 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,341 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:24,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-11-09 23:56:24,352 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 [2018-11-09 23:56:24,352 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,357 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 13 [2018-11-09 23:56:24,357 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,360 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:24,366 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:142, output treesize:26 [2018-11-09 23:56:24,448 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 [2018-11-09 23:56:24,450 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 [2018-11-09 23:56:24,450 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,453 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 [2018-11-09 23:56:24,453 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,454 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,456 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:24,456 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:28, output treesize:3 [2018-11-09 23:56:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:24,535 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 23:56:24,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 25] total 50 [2018-11-09 23:56:24,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-11-09 23:56:24,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-11-09 23:56:24,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=2301, Unknown=1, NotChecked=0, Total=2450 [2018-11-09 23:56:24,536 INFO L87 Difference]: Start difference. First operand 243 states and 255 transitions. Second operand 50 states. [2018-11-09 23:56:27,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:27,806 INFO L93 Difference]: Finished difference Result 281 states and 295 transitions. [2018-11-09 23:56:27,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-09 23:56:27,807 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 85 [2018-11-09 23:56:27,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:27,808 INFO L225 Difference]: With dead ends: 281 [2018-11-09 23:56:27,808 INFO L226 Difference]: Without dead ends: 279 [2018-11-09 23:56:27,809 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 66 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1432 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=792, Invalid=6010, Unknown=4, NotChecked=0, Total=6806 [2018-11-09 23:56:27,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-11-09 23:56:27,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 255. [2018-11-09 23:56:27,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-11-09 23:56:27,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 268 transitions. [2018-11-09 23:56:27,823 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 268 transitions. Word has length 85 [2018-11-09 23:56:27,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:27,823 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 268 transitions. [2018-11-09 23:56:27,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-11-09 23:56:27,824 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 268 transitions. [2018-11-09 23:56:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-09 23:56:27,824 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:27,824 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-09 23:56:27,825 INFO L424 AbstractCegarLoop]: === Iteration 17 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:27,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:27,825 INFO L82 PathProgramCache]: Analyzing trace with hash -682410412, now seen corresponding path program 1 times [2018-11-09 23:56:27,825 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:27,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:27,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:27,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:27,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-09 23:56:27,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:56:27,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-09 23:56:27,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-09 23:56:27,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-09 23:56:27,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 23:56:27,862 INFO L87 Difference]: Start difference. First operand 255 states and 268 transitions. Second operand 3 states. [2018-11-09 23:56:27,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:27,904 INFO L93 Difference]: Finished difference Result 361 states and 383 transitions. [2018-11-09 23:56:27,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-09 23:56:27,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2018-11-09 23:56:27,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:27,906 INFO L225 Difference]: With dead ends: 361 [2018-11-09 23:56:27,907 INFO L226 Difference]: Without dead ends: 189 [2018-11-09 23:56:27,907 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 [2018-11-09 23:56:27,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-11-09 23:56:27,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 161. [2018-11-09 23:56:27,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-09 23:56:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 165 transitions. [2018-11-09 23:56:27,918 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 165 transitions. Word has length 88 [2018-11-09 23:56:27,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:27,919 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 165 transitions. [2018-11-09 23:56:27,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-09 23:56:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 165 transitions. [2018-11-09 23:56:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-09 23:56:27,919 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:27,919 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-09 23:56:27,920 INFO L424 AbstractCegarLoop]: === Iteration 18 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:27,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:27,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1565840567, now seen corresponding path program 1 times [2018-11-09 23:56:27,920 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:27,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:27,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:27,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:27,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:28,518 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:28,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 23:56:28,519 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:56:28,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:28,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:56:28,549 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 [2018-11-09 23:56:28,550 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,555 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-09 23:56:28,606 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:28,606 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:28,607 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 [2018-11-09 23:56:28,607 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,613 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:25 [2018-11-09 23:56:28,637 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 [2018-11-09 23:56:28,638 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 [2018-11-09 23:56:28,638 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,639 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,646 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,646 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:37 [2018-11-09 23:56:28,696 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:28,700 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2018-11-09 23:56:28,701 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 [2018-11-09 23:56:28,701 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,706 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,712 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. [2018-11-09 23:56:28,712 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:58, output treesize:50 [2018-11-09 23:56:28,806 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 57 treesize of output 48 [2018-11-09 23:56:28,813 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 16 treesize of output 23 [2018-11-09 23:56:28,813 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:28,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:28,841 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. [2018-11-09 23:56:28,841 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:62, output treesize:100 [2018-11-09 23:56:28,915 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:28,916 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:28,917 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:28,917 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 26 treesize of output 46 [2018-11-09 23:56:28,917 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,927 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,928 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:65 [2018-11-09 23:56:28,965 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:28,967 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 59 treesize of output 58 [2018-11-09 23:56:28,969 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 7 [2018-11-09 23:56:28,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,976 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:28,985 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:76, output treesize:66 [2018-11-09 23:56:29,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 83 [2018-11-09 23:56:29,067 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 14 treesize of output 13 [2018-11-09 23:56:29,067 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,075 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,085 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. [2018-11-09 23:56:29,085 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:87, output treesize:75 [2018-11-09 23:56:29,218 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 88 [2018-11-09 23:56:29,222 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:29,226 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 20 treesize of output 35 [2018-11-09 23:56:29,226 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:29,243 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:29,271 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. [2018-11-09 23:56:29,271 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:118, output treesize:200 [2018-11-09 23:56:29,401 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:29,402 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:29,402 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:29,403 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:29,404 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-11-09 23:56:29,404 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,416 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. [2018-11-09 23:56:29,416 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:95, output treesize:87 [2018-11-09 23:56:29,461 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:29,462 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:29,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 92 [2018-11-09 23:56:29,470 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 7 [2018-11-09 23:56:29,471 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,483 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,492 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. [2018-11-09 23:56:29,492 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:98, output treesize:92 [2018-11-09 23:56:29,576 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:29,577 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:29,584 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 120 [2018-11-09 23:56:29,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 13 [2018-11-09 23:56:29,586 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,598 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,607 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. [2018-11-09 23:56:29,607 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:113, output treesize:105 [2018-11-09 23:56:29,754 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 169 treesize of output 109 [2018-11-09 23:56:29,762 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 2 case distinctions, treesize of input 36 treesize of output 55 [2018-11-09 23:56:29,762 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:29,777 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:29,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-11-09 23:56:29,803 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:169, output treesize:280 [2018-11-09 23:56:29,922 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 6 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 78 [2018-11-09 23:56:29,927 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 15 treesize of output 12 [2018-11-09 23:56:29,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:29,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2018-11-09 23:56:29,940 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,953 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 21 treesize of output 17 [2018-11-09 23:56:29,953 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,954 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 20 treesize of output 11 [2018-11-09 23:56:29,954 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,962 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 [2018-11-09 23:56:29,962 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,967 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:29,989 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 6 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 71 [2018-11-09 23:56:29,991 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 23 treesize of output 17 [2018-11-09 23:56:29,991 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:29,998 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 15 treesize of output 11 [2018-11-09 23:56:29,998 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:30,003 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 [2018-11-09 23:56:30,003 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:30,007 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 [2018-11-09 23:56:30,007 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:30,009 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:30,018 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:30,018 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 13 variables, input treesize:294, output treesize:4 [2018-11-09 23:56:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:30,099 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 23:56:30,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29] total 53 [2018-11-09 23:56:30,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-11-09 23:56:30,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-11-09 23:56:30,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=2534, Unknown=0, NotChecked=0, Total=2756 [2018-11-09 23:56:30,101 INFO L87 Difference]: Start difference. First operand 161 states and 165 transitions. Second operand 53 states. [2018-11-09 23:56:30,814 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2018-11-09 23:56:31,087 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 63 [2018-11-09 23:56:31,682 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 65 [2018-11-09 23:56:31,953 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2018-11-09 23:56:33,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:33,537 INFO L93 Difference]: Finished difference Result 258 states and 265 transitions. [2018-11-09 23:56:33,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-09 23:56:33,537 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 90 [2018-11-09 23:56:33,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:33,538 INFO L225 Difference]: With dead ends: 258 [2018-11-09 23:56:33,538 INFO L226 Difference]: Without dead ends: 256 [2018-11-09 23:56:33,540 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1820 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=895, Invalid=6415, Unknown=0, NotChecked=0, Total=7310 [2018-11-09 23:56:33,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-11-09 23:56:33,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 195. [2018-11-09 23:56:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-09 23:56:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 200 transitions. [2018-11-09 23:56:33,548 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 200 transitions. Word has length 90 [2018-11-09 23:56:33,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:33,548 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 200 transitions. [2018-11-09 23:56:33,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-11-09 23:56:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 200 transitions. [2018-11-09 23:56:33,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-09 23:56:33,549 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:33,549 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 23:56:33,550 INFO L424 AbstractCegarLoop]: === Iteration 19 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:33,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:33,550 INFO L82 PathProgramCache]: Analyzing trace with hash 2145652931, now seen corresponding path program 1 times [2018-11-09 23:56:33,550 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:33,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:33,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:33,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:33,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-09 23:56:33,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:56:33,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-09 23:56:33,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-09 23:56:33,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-09 23:56:33,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-09 23:56:33,590 INFO L87 Difference]: Start difference. First operand 195 states and 200 transitions. Second operand 4 states. [2018-11-09 23:56:33,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:33,636 INFO L93 Difference]: Finished difference Result 225 states and 232 transitions. [2018-11-09 23:56:33,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-09 23:56:33,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2018-11-09 23:56:33,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:33,638 INFO L225 Difference]: With dead ends: 225 [2018-11-09 23:56:33,638 INFO L226 Difference]: Without dead ends: 210 [2018-11-09 23:56:33,638 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 [2018-11-09 23:56:33,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-11-09 23:56:33,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2018-11-09 23:56:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-11-09 23:56:33,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 213 transitions. [2018-11-09 23:56:33,653 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 213 transitions. Word has length 95 [2018-11-09 23:56:33,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:33,653 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 213 transitions. [2018-11-09 23:56:33,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-09 23:56:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 213 transitions. [2018-11-09 23:56:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-09 23:56:33,654 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:33,654 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-09 23:56:33,655 INFO L424 AbstractCegarLoop]: === Iteration 20 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:33,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:33,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1047410221, now seen corresponding path program 1 times [2018-11-09 23:56:33,655 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:33,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:33,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:33,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:33,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:34,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 23:56:34,432 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:56:34,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:34,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:56:34,463 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 [2018-11-09 23:56:34,463 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,466 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-09 23:56:34,475 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:34,476 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:34,476 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 [2018-11-09 23:56:34,477 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,488 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-11-09 23:56:34,516 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 [2018-11-09 23:56:34,518 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 [2018-11-09 23:56:34,518 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,519 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-09 23:56:34,530 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 [2018-11-09 23:56:34,530 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,531 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,538 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,539 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-11-09 23:56:34,600 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:34,605 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 60 treesize of output 67 [2018-11-09 23:56:34,606 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 14 treesize of output 13 [2018-11-09 23:56:34,606 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,613 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,625 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 29 treesize of output 30 [2018-11-09 23:56:34,627 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-09 23:56:34,627 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,630 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,640 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. [2018-11-09 23:56:34,640 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-11-09 23:56:34,765 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 62 treesize of output 53 [2018-11-09 23:56:34,774 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 16 treesize of output 31 [2018-11-09 23:56:34,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:34,786 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:34,817 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 83 treesize of output 100 [2018-11-09 23:56:34,819 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:34,820 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 38 [2018-11-09 23:56:34,820 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,832 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,836 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:34,836 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 83 treesize of output 87 [2018-11-09 23:56:34,854 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:34,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 24 [2018-11-09 23:56:34,859 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,874 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,905 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. [2018-11-09 23:56:34,905 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:95, output treesize:185 [2018-11-09 23:56:34,974 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:34,975 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:34,976 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:34,976 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 26 treesize of output 46 [2018-11-09 23:56:34,977 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,992 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:34,992 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:84, output treesize:90 [2018-11-09 23:56:35,043 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2018-11-09 23:56:35,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 30 [2018-11-09 23:56:35,047 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,053 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,072 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,072 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 62 treesize of output 76 [2018-11-09 23:56:35,075 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 33 treesize of output 42 [2018-11-09 23:56:35,075 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,084 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,098 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:112, output treesize:92 [2018-11-09 23:56:35,189 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,193 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 89 treesize of output 90 [2018-11-09 23:56:35,195 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 [2018-11-09 23:56:35,195 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,207 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,227 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,228 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,228 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,230 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,234 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 104 treesize of output 128 [2018-11-09 23:56:35,236 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 14 treesize of output 13 [2018-11-09 23:56:35,236 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,251 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,265 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. [2018-11-09 23:56:35,265 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:134, output treesize:114 [2018-11-09 23:56:35,428 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 153 treesize of output 136 [2018-11-09 23:56:35,430 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:35,430 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 24 [2018-11-09 23:56:35,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,442 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,460 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,463 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,467 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 0 case distinctions, treesize of input 130 treesize of output 116 [2018-11-09 23:56:35,474 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 20 treesize of output 27 [2018-11-09 23:56:35,474 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:35,490 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:35,521 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. [2018-11-09 23:56:35,521 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:181, output treesize:269 [2018-11-09 23:56:35,602 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,603 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,604 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,604 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,605 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,605 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 73 [2018-11-09 23:56:35,606 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,620 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:131, output treesize:123 [2018-11-09 23:56:35,665 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,667 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:35,667 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 109 treesize of output 108 [2018-11-09 23:56:35,669 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 7 [2018-11-09 23:56:35,669 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,678 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,693 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,694 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,695 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 108 [2018-11-09 23:56:35,701 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 7 [2018-11-09 23:56:35,701 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,711 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,722 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,722 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:142, output treesize:113 [2018-11-09 23:56:35,808 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,809 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,810 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:35,817 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 157 [2018-11-09 23:56:35,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 13 [2018-11-09 23:56:35,819 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,833 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,853 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 67 treesize of output 80 [2018-11-09 23:56:35,854 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 [2018-11-09 23:56:35,854 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,862 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:35,876 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. [2018-11-09 23:56:35,876 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:155, output treesize:115 [2018-11-09 23:56:36,049 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:36,050 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:36,056 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:36,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 328 treesize of output 233 [2018-11-09 23:56:36,063 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:36,069 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 89 treesize of output 143 [2018-11-09 23:56:36,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:36,099 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:36,147 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 291 treesize of output 236 [2018-11-09 23:56:36,149 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:36,150 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 48 treesize of output 87 [2018-11-09 23:56:36,150 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,166 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,172 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 275 treesize of output 208 [2018-11-09 23:56:36,175 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 48 treesize of output 61 [2018-11-09 23:56:36,175 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,191 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,230 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-09 23:56:36,230 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:338, output treesize:487 [2018-11-09 23:56:36,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 168 [2018-11-09 23:56:36,459 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 5 [2018-11-09 23:56:36,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,470 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 108 treesize of output 89 [2018-11-09 23:56:36,470 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,478 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 19 [2018-11-09 23:56:36,479 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,486 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,494 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. [2018-11-09 23:56:36,494 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:231, output treesize:102 [2018-11-09 23:56:36,542 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:36,543 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:36,544 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:36,544 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:36,546 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:36,547 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:36,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 87 [2018-11-09 23:56:36,559 INFO L477 Elim1Store]: Elim1 applied some 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 57 [2018-11-09 23:56:36,561 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,568 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 26 treesize of output 15 [2018-11-09 23:56:36,568 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,573 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 [2018-11-09 23:56:36,573 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,577 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 13 treesize of output 9 [2018-11-09 23:56:36,578 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,580 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:36,582 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:103, output treesize:4 [2018-11-09 23:56:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:36,664 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 23:56:36,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 30] total 53 [2018-11-09 23:56:36,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-11-09 23:56:36,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-11-09 23:56:36,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=2503, Unknown=8, NotChecked=0, Total=2756 [2018-11-09 23:56:36,665 INFO L87 Difference]: Start difference. First operand 208 states and 213 transitions. Second operand 53 states. [2018-11-09 23:56:40,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:40,158 INFO L93 Difference]: Finished difference Result 256 states and 261 transitions. [2018-11-09 23:56:40,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-09 23:56:40,158 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 95 [2018-11-09 23:56:40,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:40,159 INFO L225 Difference]: With dead ends: 256 [2018-11-09 23:56:40,159 INFO L226 Difference]: Without dead ends: 254 [2018-11-09 23:56:40,160 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 70 SyntacticMatches, 6 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2193 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=858, Invalid=7119, Unknown=33, NotChecked=0, Total=8010 [2018-11-09 23:56:40,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-11-09 23:56:40,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 213. [2018-11-09 23:56:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-11-09 23:56:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 218 transitions. [2018-11-09 23:56:40,170 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 218 transitions. Word has length 95 [2018-11-09 23:56:40,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:40,170 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 218 transitions. [2018-11-09 23:56:40,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-11-09 23:56:40,170 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 218 transitions. [2018-11-09 23:56:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-09 23:56:40,170 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:40,170 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 23:56:40,170 INFO L424 AbstractCegarLoop]: === Iteration 21 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:40,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:40,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1848769798, now seen corresponding path program 1 times [2018-11-09 23:56:40,171 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:40,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:40,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:40,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:40,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:41,031 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 23:56:41,031 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:56:41,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:41,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:56:41,060 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 [2018-11-09 23:56:41,061 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,062 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,062 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-09 23:56:41,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:41,126 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:41,126 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 [2018-11-09 23:56:41,126 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,132 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. [2018-11-09 23:56:41,132 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:21 [2018-11-09 23:56:41,252 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 31 [2018-11-09 23:56:41,254 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 20 treesize of output 23 [2018-11-09 23:56:41,254 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,270 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 17 treesize of output 30 [2018-11-09 23:56:41,270 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:41,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:41,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 59 [2018-11-09 23:56:41,310 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 46 treesize of output 49 [2018-11-09 23:56:41,310 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,335 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 41 treesize of output 48 [2018-11-09 23:56:41,335 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:41,351 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:41,354 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 31 [2018-11-09 23:56:41,356 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 28 treesize of output 18 [2018-11-09 23:56:41,356 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,360 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-09 23:56:41,376 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:51, output treesize:91 [2018-11-09 23:56:41,498 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:41,498 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:41,499 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:41,500 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 46 treesize of output 43 [2018-11-09 23:56:41,500 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,523 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:41,524 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:41,524 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:41,525 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 66 treesize of output 63 [2018-11-09 23:56:41,525 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:41,545 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:113, output treesize:83 [2018-11-09 23:56:41,600 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:41,608 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 81 [2018-11-09 23:56:41,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 67 [2018-11-09 23:56:41,610 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,625 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 67 [2018-11-09 23:56:41,668 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 58 treesize of output 52 [2018-11-09 23:56:41,668 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,704 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:41,712 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 3 case distinctions, treesize of input 53 treesize of output 71 [2018-11-09 23:56:41,713 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 3 xjuncts. [2018-11-09 23:56:41,757 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-09 23:56:41,791 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 50 treesize of output 45 [2018-11-09 23:56:41,793 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 7 [2018-11-09 23:56:41,793 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,800 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,827 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:41,827 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 39 treesize of output 34 [2018-11-09 23:56:41,829 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 7 [2018-11-09 23:56:41,829 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,834 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:41,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-09 23:56:41,857 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 6 variables, input treesize:121, output treesize:118 [2018-11-09 23:56:41,971 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:41,985 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 4 case distinctions, treesize of input 94 treesize of output 105 [2018-11-09 23:56:41,988 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 103 treesize of output 102 [2018-11-09 23:56:41,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,039 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,086 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 2 new quantified variables, introduced 8 case distinctions, treesize of input 82 treesize of output 104 [2018-11-09 23:56:42,088 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 91 treesize of output 90 [2018-11-09 23:56:42,088 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,134 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 4 case distinctions, treesize of input 78 treesize of output 91 [2018-11-09 23:56:42,135 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:42,176 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:42,223 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:42,227 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 70 [2018-11-09 23:56:42,230 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 [2018-11-09 23:56:42,230 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,240 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,283 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 66 treesize of output 79 [2018-11-09 23:56:42,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-09 23:56:42,285 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,295 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-09 23:56:42,329 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 6 variables, input treesize:169, output treesize:216 [2018-11-09 23:56:42,620 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 108 treesize of output 87 [2018-11-09 23:56:42,622 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:42,623 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 38 treesize of output 53 [2018-11-09 23:56:42,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,640 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,738 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 96 treesize of output 107 [2018-11-09 23:56:42,740 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:42,741 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 20 treesize of output 41 [2018-11-09 23:56:42,741 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,754 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,843 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 152 treesize of output 141 [2018-11-09 23:56:42,846 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:42,847 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 143 treesize of output 162 [2018-11-09 23:56:42,847 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:42,894 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:42,895 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:42,896 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:42,903 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 124 treesize of output 175 [2018-11-09 23:56:42,904 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:42,949 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:43,046 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:43,047 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 143 treesize of output 119 [2018-11-09 23:56:43,049 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:43,050 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 84 treesize of output 75 [2018-11-09 23:56:43,050 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,062 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,080 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 148 treesize of output 142 [2018-11-09 23:56:43,083 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:43,084 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 149 treesize of output 170 [2018-11-09 23:56:43,084 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,121 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,190 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:43,190 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:43,194 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 125 treesize of output 113 [2018-11-09 23:56:43,196 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:43,197 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 62 treesize of output 61 [2018-11-09 23:56:43,197 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,206 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,267 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:43,267 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 78 treesize of output 77 [2018-11-09 23:56:43,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 42 [2018-11-09 23:56:43,269 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,277 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,328 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 6 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-11-09 23:56:43,328 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:386, output treesize:420 [2018-11-09 23:56:43,591 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 154 treesize of output 147 [2018-11-09 23:56:43,593 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 28 treesize of output 27 [2018-11-09 23:56:43,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,602 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,662 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 71 treesize of output 64 [2018-11-09 23:56:43,663 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 [2018-11-09 23:56:43,663 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,669 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,720 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 278 treesize of output 263 [2018-11-09 23:56:43,722 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 48 treesize of output 47 [2018-11-09 23:56:43,722 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,733 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,779 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 124 treesize of output 117 [2018-11-09 23:56:43,780 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 18 treesize of output 17 [2018-11-09 23:56:43,780 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,789 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:43,833 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-11-09 23:56:43,833 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:628, output treesize:588 [2018-11-09 23:56:44,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 292 treesize of output 181 [2018-11-09 23:56:44,394 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 166 treesize of output 136 [2018-11-09 23:56:44,394 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:44,456 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 166 treesize of output 161 [2018-11-09 23:56:44,456 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:44,517 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:44,518 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 0 case distinctions, treesize of input 136 treesize of output 112 [2018-11-09 23:56:44,518 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:44,579 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:44,581 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:44,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 160 treesize of output 142 [2018-11-09 23:56:44,594 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-09 23:56:44,759 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:44,760 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:44,765 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 161 treesize of output 126 [2018-11-09 23:56:44,765 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-09 23:56:44,942 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 172 treesize of output 169 [2018-11-09 23:56:44,942 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:45,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 136 [2018-11-09 23:56:45,091 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:45,236 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:45,237 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 136 treesize of output 108 [2018-11-09 23:56:45,238 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:45,381 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-11-09 23:56:45,603 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 78 [2018-11-09 23:56:45,605 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 3 [2018-11-09 23:56:45,605 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:45,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 40 [2018-11-09 23:56:45,612 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:45,618 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:45,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 94 [2018-11-09 23:56:45,845 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:45,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-11-09 23:56:45,846 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:45,906 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 49 [2018-11-09 23:56:45,906 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:45,961 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 74 treesize of output 77 [2018-11-09 23:56:45,961 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,014 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,016 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 54 [2018-11-09 23:56:46,016 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,069 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,069 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,070 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 53 [2018-11-09 23:56:46,073 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,107 INFO L267 ElimStorePlain]: Start of recursive call 14: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,113 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 71 [2018-11-09 23:56:46,115 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 67 treesize of output 48 [2018-11-09 23:56:46,115 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,137 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,138 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 48 treesize of output 40 [2018-11-09 23:56:46,138 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,164 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 63 treesize of output 37 [2018-11-09 23:56:46,164 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,182 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,183 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 0 case distinctions, treesize of input 37 treesize of output 34 [2018-11-09 23:56:46,183 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,206 INFO L267 ElimStorePlain]: Start of recursive call 20: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,212 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 76 [2018-11-09 23:56:46,215 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,217 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 0 case distinctions, treesize of input 68 treesize of output 47 [2018-11-09 23:56:46,217 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,242 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-11-09 23:56:46,242 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,266 INFO L267 ElimStorePlain]: Start of recursive call 25: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 109 treesize of output 93 [2018-11-09 23:56:46,279 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 85 treesize of output 62 [2018-11-09 23:56:46,279 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,336 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 75 treesize of output 55 [2018-11-09 23:56:46,336 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,385 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 55 treesize of output 44 [2018-11-09 23:56:46,386 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 54 [2018-11-09 23:56:46,442 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,486 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,487 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,489 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 63 treesize of output 40 [2018-11-09 23:56:46,489 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,508 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 [2018-11-09 23:56:46,509 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,517 INFO L267 ElimStorePlain]: Start of recursive call 28: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 113 treesize of output 97 [2018-11-09 23:56:46,529 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 85 treesize of output 59 [2018-11-09 23:56:46,530 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,592 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 89 treesize of output 91 [2018-11-09 23:56:46,592 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,648 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 77 treesize of output 60 [2018-11-09 23:56:46,648 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,707 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 59 treesize of output 48 [2018-11-09 23:56:46,708 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-11-09 23:56:46,740 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,763 INFO L267 ElimStorePlain]: Start of recursive call 35: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,770 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 79 [2018-11-09 23:56:46,772 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 75 treesize of output 78 [2018-11-09 23:56:46,772 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,797 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 78 treesize of output 51 [2018-11-09 23:56:46,798 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,820 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 51 treesize of output 44 [2018-11-09 23:56:46,820 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 64 [2018-11-09 23:56:46,839 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,856 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,857 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:46,857 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 43 [2018-11-09 23:56:46,857 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,868 INFO L267 ElimStorePlain]: Start of recursive call 41: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,871 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 83 treesize of output 61 [2018-11-09 23:56:46,872 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 46 treesize of output 45 [2018-11-09 23:56:46,872 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,881 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,882 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 45 treesize of output 30 [2018-11-09 23:56:46,883 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:46,891 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 11 [2018-11-09 23:56:46,891 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,897 INFO L267 ElimStorePlain]: Start of recursive call 47: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 60 [2018-11-09 23:56:46,901 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,902 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:46,904 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 0 case distinctions, treesize of input 53 treesize of output 30 [2018-11-09 23:56:46,904 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,912 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2018-11-09 23:56:46,912 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,917 INFO L267 ElimStorePlain]: Start of recursive call 51: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,919 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 95 treesize of output 67 [2018-11-09 23:56:46,920 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 59 treesize of output 62 [2018-11-09 23:56:46,921 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,930 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 39 [2018-11-09 23:56:46,930 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,936 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:46,994 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 50 treesize of output 38 [2018-11-09 23:56:46,995 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-11-09 23:56:46,996 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:47,002 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 11 treesize of output 3 [2018-11-09 23:56:47,002 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,007 INFO L267 ElimStorePlain]: Start of recursive call 57: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:47,048 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 113 [2018-11-09 23:56:47,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 41 [2018-11-09 23:56:47,050 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,061 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:47,062 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 0 case distinctions, treesize of input 91 treesize of output 77 [2018-11-09 23:56:47,062 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:47,075 INFO L267 ElimStorePlain]: Start of recursive call 60: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:47,117 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 74 treesize of output 54 [2018-11-09 23:56:47,118 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 53 [2018-11-09 23:56:47,119 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,128 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:47,128 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 25 [2018-11-09 23:56:47,129 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,135 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,178 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 123 [2018-11-09 23:56:47,180 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 57 [2018-11-09 23:56:47,181 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:47,195 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:47,196 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:47,198 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 0 case distinctions, treesize of input 84 treesize of output 56 [2018-11-09 23:56:47,198 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,209 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-09 23:56:47,238 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 70 treesize of output 52 [2018-11-09 23:56:47,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 26 [2018-11-09 23:56:47,240 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,249 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:47,251 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 18 treesize of output 10 [2018-11-09 23:56:47,251 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,257 INFO L267 ElimStorePlain]: Start of recursive call 69: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 8 dim-2 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-11-09 23:56:47,282 INFO L202 ElimStorePlain]: Needed 71 recursive calls to eliminate 19 variables, input treesize:708, output treesize:65 [2018-11-09 23:56:47,603 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 15 treesize of output 11 [2018-11-09 23:56:47,605 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 [2018-11-09 23:56:47,605 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,610 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,614 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:47,615 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:3 [2018-11-09 23:56:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:47,809 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 23:56:47,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27] total 55 [2018-11-09 23:56:47,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-11-09 23:56:47,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-11-09 23:56:47,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2818, Unknown=6, NotChecked=0, Total=2970 [2018-11-09 23:56:47,810 INFO L87 Difference]: Start difference. First operand 213 states and 218 transitions. Second operand 55 states. [2018-11-09 23:56:49,919 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2018-11-09 23:56:50,588 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 59 [2018-11-09 23:56:50,999 WARN L179 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 198 [2018-11-09 23:56:51,365 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 149 [2018-11-09 23:56:52,236 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 151 [2018-11-09 23:56:52,825 WARN L179 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 193 [2018-11-09 23:56:53,180 WARN L179 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 199 [2018-11-09 23:56:53,664 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 205 [2018-11-09 23:56:54,127 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 116 [2018-11-09 23:56:55,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:56:55,211 INFO L93 Difference]: Finished difference Result 232 states and 236 transitions. [2018-11-09 23:56:55,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-09 23:56:55,212 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 97 [2018-11-09 23:56:55,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:56:55,212 INFO L225 Difference]: With dead ends: 232 [2018-11-09 23:56:55,212 INFO L226 Difference]: Without dead ends: 230 [2018-11-09 23:56:55,213 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1307 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=785, Invalid=7219, Unknown=6, NotChecked=0, Total=8010 [2018-11-09 23:56:55,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-09 23:56:55,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 225. [2018-11-09 23:56:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-09 23:56:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 230 transitions. [2018-11-09 23:56:55,235 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 230 transitions. Word has length 97 [2018-11-09 23:56:55,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:56:55,235 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 230 transitions. [2018-11-09 23:56:55,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-11-09 23:56:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 230 transitions. [2018-11-09 23:56:55,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-09 23:56:55,235 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:56:55,235 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-09 23:56:55,236 INFO L424 AbstractCegarLoop]: === Iteration 22 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:56:55,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:56:55,236 INFO L82 PathProgramCache]: Analyzing trace with hash -53564903, now seen corresponding path program 1 times [2018-11-09 23:56:55,236 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:56:55,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:56:55,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:55,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:55,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:56:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:56,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 23:56:56,159 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/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 [2018-11-09 23:56:56,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:56:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:56:56,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:56:56,190 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 [2018-11-09 23:56:56,190 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,194 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-09 23:56:56,202 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,202 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-09 23:56:56,203 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,209 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,210 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-11-09 23:56:56,220 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 [2018-11-09 23:56:56,221 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 [2018-11-09 23:56:56,222 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,223 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,232 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 [2018-11-09 23:56:56,233 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 [2018-11-09 23:56:56,233 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,235 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,242 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,242 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-11-09 23:56:56,257 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 29 treesize of output 30 [2018-11-09 23:56:56,258 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 [2018-11-09 23:56:56,259 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,262 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,275 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 52 treesize of output 48 [2018-11-09 23:56:56,276 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 14 treesize of output 13 [2018-11-09 23:56:56,276 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,281 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,291 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. [2018-11-09 23:56:56,292 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-11-09 23:56:56,411 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 39 treesize of output 49 [2018-11-09 23:56:56,413 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 29 [2018-11-09 23:56:56,413 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,419 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,436 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 77 treesize of output 68 [2018-11-09 23:56:56,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 31 [2018-11-09 23:56:56,443 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:56,456 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:56,480 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. [2018-11-09 23:56:56,480 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:95, output treesize:169 [2018-11-09 23:56:56,547 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,549 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,549 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,551 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 [2018-11-09 23:56:56,551 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,568 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:84, output treesize:90 [2018-11-09 23:56:56,616 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 52 treesize of output 62 [2018-11-09 23:56:56,619 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 22 treesize of output 30 [2018-11-09 23:56:56,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,625 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,641 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,642 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 78 [2018-11-09 23:56:56,646 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 27 treesize of output 34 [2018-11-09 23:56:56,646 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,655 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,666 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:112, output treesize:80 [2018-11-09 23:56:56,745 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,748 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 77 treesize of output 78 [2018-11-09 23:56:56,750 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 14 treesize of output 13 [2018-11-09 23:56:56,750 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,758 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,772 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,772 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,773 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,774 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,778 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 92 treesize of output 116 [2018-11-09 23:56:56,779 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 14 treesize of output 13 [2018-11-09 23:56:56,779 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,790 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:56,802 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. [2018-11-09 23:56:56,802 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:122, output treesize:102 [2018-11-09 23:56:56,963 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,964 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:56,971 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 152 [2018-11-09 23:56:56,979 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 20 treesize of output 51 [2018-11-09 23:56:56,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:57,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:57,040 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,044 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:57,046 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 172 [2018-11-09 23:56:57,048 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:57,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 32 [2018-11-09 23:56:57,049 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,063 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,066 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,075 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 167 [2018-11-09 23:56:57,078 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:57,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 38 [2018-11-09 23:56:57,079 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,095 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,130 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. [2018-11-09 23:56:57,130 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:180, output treesize:297 [2018-11-09 23:56:57,219 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,219 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,220 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,221 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,221 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,222 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 73 [2018-11-09 23:56:57,222 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,238 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:146, output treesize:138 [2018-11-09 23:56:57,288 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,289 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,290 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,293 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 148 [2018-11-09 23:56:57,296 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 32 treesize of output 39 [2018-11-09 23:56:57,296 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,309 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,329 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,330 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,333 INFO L682 Elim1Store]: detected equality via solver [2018-11-09 23:56:57,334 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 123 treesize of output 143 [2018-11-09 23:56:57,336 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 31 treesize of output 35 [2018-11-09 23:56:57,336 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,346 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,358 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,358 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:157, output treesize:180 [2018-11-09 23:56:57,450 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,450 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,451 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,452 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,453 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,458 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,462 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 255 [2018-11-09 23:56:57,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 13 [2018-11-09 23:56:57,464 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,486 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,504 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,505 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,506 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,513 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 142 treesize of output 183 [2018-11-09 23:56:57,515 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 [2018-11-09 23:56:57,516 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,530 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,545 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. [2018-11-09 23:56:57,545 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:222, output treesize:170 [2018-11-09 23:56:57,737 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,740 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 500 treesize of output 352 [2018-11-09 23:56:57,757 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 84 treesize of output 147 [2018-11-09 23:56:57,757 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:57,782 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:57,833 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,841 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 459 treesize of output 376 [2018-11-09 23:56:57,844 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 84 treesize of output 97 [2018-11-09 23:56:57,844 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,860 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:57,862 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:57,871 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 475 treesize of output 404 [2018-11-09 23:56:57,879 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 84 treesize of output 147 [2018-11-09 23:56:57,879 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-09 23:56:57,903 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-09 23:56:57,951 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. [2018-11-09 23:56:57,951 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:510, output treesize:795 [2018-11-09 23:56:58,275 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:58,276 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:58,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 343 treesize of output 240 [2018-11-09 23:56:58,282 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 161 treesize of output 122 [2018-11-09 23:56:58,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:58,296 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 27 [2018-11-09 23:56:58,296 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:58,306 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 [2018-11-09 23:56:58,306 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:58,316 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 140 treesize of output 119 [2018-11-09 23:56:58,316 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:58,323 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:58,331 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. [2018-11-09 23:56:58,331 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:351, output treesize:127 [2018-11-09 23:56:58,385 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:58,386 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:58,387 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:58,388 INFO L700 Elim1Store]: detected not equals via solver [2018-11-09 23:56:58,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 83 [2018-11-09 23:56:58,395 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 15 [2018-11-09 23:56:58,395 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:58,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 34 treesize of output 21 [2018-11-09 23:56:58,405 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:58,413 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 21 treesize of output 15 [2018-11-09 23:56:58,413 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:58,418 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 19 treesize of output 13 [2018-11-09 23:56:58,418 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-09 23:56:58,420 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:58,422 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:56:58,422 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:131, output treesize:4 [2018-11-09 23:56:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:56:58,499 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 23:56:58,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 54 [2018-11-09 23:56:58,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-11-09 23:56:58,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-11-09 23:56:58,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=2628, Unknown=0, NotChecked=0, Total=2862 [2018-11-09 23:56:58,500 INFO L87 Difference]: Start difference. First operand 225 states and 230 transitions. Second operand 54 states. [2018-11-09 23:57:02,373 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2018-11-09 23:57:02,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:57:02,636 INFO L93 Difference]: Finished difference Result 264 states and 270 transitions. [2018-11-09 23:57:02,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-09 23:57:02,637 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 101 [2018-11-09 23:57:02,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:57:02,637 INFO L225 Difference]: With dead ends: 264 [2018-11-09 23:57:02,637 INFO L226 Difference]: Without dead ends: 262 [2018-11-09 23:57:02,638 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 76 SyntacticMatches, 8 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2237 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=825, Invalid=7365, Unknown=0, NotChecked=0, Total=8190 [2018-11-09 23:57:02,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2018-11-09 23:57:02,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 231. [2018-11-09 23:57:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-11-09 23:57:02,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 236 transitions. [2018-11-09 23:57:02,653 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 236 transitions. Word has length 101 [2018-11-09 23:57:02,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:57:02,654 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 236 transitions. [2018-11-09 23:57:02,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-11-09 23:57:02,654 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 236 transitions. [2018-11-09 23:57:02,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-09 23:57:02,654 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:57:02,654 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2018-11-09 23:57:02,655 INFO L424 AbstractCegarLoop]: === Iteration 23 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:57:02,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:57:02,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1481373827, now seen corresponding path program 1 times [2018-11-09 23:57:02,655 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:57:02,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:57:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:57:02,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:57:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:57:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:57:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:57:02,705 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-09 23:57:02,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:57:02 BoogieIcfgContainer [2018-11-09 23:57:02,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-09 23:57:02,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:57:02,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:57:02,749 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:57:02,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:54:50" (3/4) ... [2018-11-09 23:57:02,752 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-09 23:57:02,796 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_25f32a80-f1e8-466e-9529-1882e05416a2/bin-2019/uautomizer/witness.graphml [2018-11-09 23:57:02,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:57:02,796 INFO L168 Benchmark]: Toolchain (without parser) took 132771.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 952.2 MB in the beginning and 875.6 MB in the end (delta: 76.5 MB). Peak memory consumption was 226.5 MB. Max. memory is 11.5 GB. [2018-11-09 23:57:02,797 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:57:02,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.97 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 928.0 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-09 23:57:02,797 INFO L168 Benchmark]: Boogie Preprocessor took 91.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 928.0 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:57:02,797 INFO L168 Benchmark]: RCFGBuilder took 483.36 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:57:02,798 INFO L168 Benchmark]: TraceAbstraction took 131861.18 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 37.7 MB). Free memory was 1.0 GB in the beginning and 882.4 MB in the end (delta: 162.6 MB). Peak memory consumption was 200.3 MB. Max. memory is 11.5 GB. [2018-11-09 23:57:02,798 INFO L168 Benchmark]: Witness Printer took 47.67 ms. Allocated memory is still 1.2 GB. Free memory was 882.4 MB in the beginning and 875.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:57:02,799 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.97 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 928.0 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 928.0 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 483.36 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 131861.18 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 37.7 MB). Free memory was 1.0 GB in the beginning and 882.4 MB in the end (delta: 162.6 MB). Peak memory consumption was 200.3 MB. Max. memory is 11.5 GB. * Witness Printer took 47.67 ms. Allocated memory is still 1.2 GB. Free memory was 882.4 MB in the beginning and 875.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1038]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L986] EXPR, FCALL malloc(sizeof(SLL)) VAL [malloc(sizeof(SLL))={16:0}] [L986] SLL* head = malloc(sizeof(SLL)); VAL [head={16:0}, malloc(sizeof(SLL))={16:0}] [L987] FCALL head->next = ((void*)0) VAL [head={16:0}, malloc(sizeof(SLL))={16:0}] [L988] FCALL head->prev = ((void*)0) VAL [head={16:0}, malloc(sizeof(SLL))={16:0}] [L989] FCALL head->data = 0 VAL [head={16:0}, malloc(sizeof(SLL))={16:0}] [L990] SLL* item = head; [L991] int status = 0; VAL [head={16:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, status=0] [L993] COND TRUE __VERIFIER_nondet_int() [L995] EXPR, FCALL malloc(sizeof(SLL)) VAL [head={16:0}, item={16:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={16:0}, status=0] [L995] FCALL item->next = malloc(sizeof(SLL)) VAL [head={16:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=0] [L996] EXPR, FCALL item->next VAL [head={16:0}, item={16:0}, item->next={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={16:0}, status=0] [L996] FCALL item->next->prev = item VAL [head={16:0}, item={16:0}, item->next={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={16:0}, status=0] [L997] EXPR, FCALL item->next VAL [head={16:0}, item={16:0}, item->next={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={16:0}, status=0] [L997] item = item->next [L998] FCALL item->next = ((void*)0) VAL [head={16:0}, item={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={16:0}, status=0] [L1000] COND TRUE !status VAL [head={16:0}, item={14:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=0] [L1002] FCALL item->data = 1 VAL [head={16:0}, item={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={16:0}, status=0] [L1003] status = 1 VAL [head={16:0}, item={14:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=1] [L1016] COND FALSE !(!(head != ((void*)0))) VAL [head={16:0}, item={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={16:0}, status=1] [L1016] COND FALSE !(0) VAL [head={16:0}, item={14:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=1] [L1017] COND FALSE !(!(item != ((void*)0))) VAL [head={16:0}, item={14:0}, malloc(sizeof(SLL))={14:0}, malloc(sizeof(SLL))={16:0}, status=1] [L1017] COND FALSE !(0) VAL [head={16:0}, item={14:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=1] [L993] COND TRUE __VERIFIER_nondet_int() [L995] EXPR, FCALL malloc(sizeof(SLL)) VAL [head={16:0}, item={14:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={17:0}, status=1] [L995] FCALL item->next = malloc(sizeof(SLL)) VAL [head={16:0}, item={14:0}, malloc(sizeof(SLL))={17:0}, malloc(sizeof(SLL))={16:0}, status=1] [L996] EXPR, FCALL item->next VAL [head={16:0}, item={14:0}, item->next={17:0}, malloc(sizeof(SLL))={17:0}, malloc(sizeof(SLL))={16:0}, status=1] [L996] FCALL item->next->prev = item VAL [head={16:0}, item={14:0}, item->next={17:0}, malloc(sizeof(SLL))={17:0}, malloc(sizeof(SLL))={16:0}, status=1] [L997] EXPR, FCALL item->next VAL [head={16:0}, item={14:0}, item->next={17:0}, malloc(sizeof(SLL))={17:0}, malloc(sizeof(SLL))={16:0}, status=1] [L997] item = item->next [L998] FCALL item->next = ((void*)0) VAL [head={16:0}, item={17:0}, malloc(sizeof(SLL))={17:0}, malloc(sizeof(SLL))={16:0}, status=1] [L1000] COND FALSE !(!status) VAL [head={16:0}, item={17:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={17:0}, status=1] [L1005] COND TRUE status == 1 VAL [head={16:0}, item={17:0}, malloc(sizeof(SLL))={17:0}, malloc(sizeof(SLL))={16:0}, status=1] [L1007] FCALL item->data = 2 VAL [head={16:0}, item={17:0}, malloc(sizeof(SLL))={17:0}, malloc(sizeof(SLL))={16:0}, status=1] [L1008] status = 2 VAL [head={16:0}, item={17:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={17:0}, status=2] [L1016] COND FALSE !(!(head != ((void*)0))) VAL [head={16:0}, item={17:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={17:0}, status=2] [L1016] COND FALSE !(0) VAL [head={16:0}, item={17:0}, malloc(sizeof(SLL))={17:0}, malloc(sizeof(SLL))={16:0}, status=2] [L1017] COND FALSE !(!(item != ((void*)0))) VAL [head={16:0}, item={17:0}, malloc(sizeof(SLL))={17:0}, malloc(sizeof(SLL))={16:0}, status=2] [L1017] COND FALSE !(0) VAL [head={16:0}, item={17:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={17:0}, status=2] [L993] COND TRUE __VERIFIER_nondet_int() [L995] EXPR, FCALL malloc(sizeof(SLL)) VAL [head={16:0}, item={17:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=2] [L995] FCALL item->next = malloc(sizeof(SLL)) VAL [head={16:0}, item={17:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=2] [L996] EXPR, FCALL item->next VAL [head={16:0}, item={17:0}, item->next={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=2] [L996] FCALL item->next->prev = item VAL [head={16:0}, item={17:0}, item->next={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=2] [L997] EXPR, FCALL item->next VAL [head={16:0}, item={17:0}, item->next={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=2] [L997] item = item->next [L998] FCALL item->next = ((void*)0) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=2] [L1000] COND FALSE !(!status) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=2] [L1005] COND FALSE !(status == 1) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=2] [L1010] COND TRUE status >= 2 VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=2] [L1012] FCALL item->data = 3 VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=2] [L1013] status = 3 VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1016] COND FALSE !(!(head != ((void*)0))) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1016] COND FALSE !(0) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1017] COND FALSE !(!(item != ((void*)0))) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1017] COND FALSE !(0) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L993] COND FALSE !(__VERIFIER_nondet_int()) [L1020] COND FALSE !(!(head != ((void*)0))) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1020] COND FALSE !(0) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1021] COND FALSE !(status == 1) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1026] COND FALSE !(status == 2) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1032] COND TRUE status == 3 VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1034] COND FALSE !(!(head != ((void*)0))) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1034] COND FALSE !(0) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1035] EXPR, FCALL head->next VAL [head={16:0}, head->next={14:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1035] COND FALSE !(!(head->next != ((void*)0))) [L1035] COND FALSE !(0) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1036] EXPR, FCALL head->next VAL [head={16:0}, head->next={14:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1036] EXPR, FCALL head->next->next VAL [head={16:0}, head->next={14:0}, head->next->next={17:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1036] COND FALSE !(!(head->next->next != ((void*)0))) [L1036] COND FALSE !(0) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1037] EXPR, FCALL head->next VAL [head={16:0}, head->next={14:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1037] EXPR, FCALL head->next->next VAL [head={16:0}, head->next={14:0}, head->next->next={17:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1037] EXPR, FCALL head->next->next->next VAL [head={16:0}, head->next={14:0}, head->next->next={17:0}, head->next->next->next={15:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1037] COND FALSE !(!(head->next->next->next != ((void*)0))) [L1037] COND FALSE !(0) VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1038] EXPR, FCALL head->next VAL [head={16:0}, head->next={14:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={16:0}, status=3] [L1038] EXPR, FCALL head->next->next VAL [head={16:0}, head->next={14:0}, head->next->next={17:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1038] EXPR, FCALL head->next->next->next VAL [head={16:0}, head->next={14:0}, head->next->next={17:0}, head->next->next->next={15:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1038] EXPR, FCALL head->next->next->next->data VAL [head={16:0}, head->next={14:0}, head->next->next={17:0}, head->next->next->next={15:0}, head->next->next->next->data=3, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] [L1038] COND TRUE !(head->next->next->next->data != 3) [L1038] __VERIFIER_error() VAL [head={16:0}, item={15:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={15:0}, status=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 139 locations, 14 error locations. UNSAFE Result, 131.8s OverallTime, 23 OverallIterations, 4 TraceHistogramMax, 88.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2512 SDtfs, 10932 SDslu, 24781 SDs, 0 SdLazy, 16191 SolverSat, 1388 SolverUnsat, 106 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1484 GetRequests, 671 SyntacticMatches, 46 SemanticMatches, 767 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12208 ImplicationChecksByTransitivity, 104.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=262occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 506 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 42.3s InterpolantComputationTime, 2315 NumberOfCodeBlocks, 2315 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2174 ConstructedInterpolants, 357 QuantifiedInterpolants, 11111646 SizeOfPredicates, 221 NumberOfNonLiveVariables, 1935 ConjunctsInSsa, 567 ConjunctsInUnsatCore, 33 InterpolantComputations, 12 PerfectInterpolantSequences, 164/799 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...