./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-sorted_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-sorted_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 8be34918f5cf463066a3551693e083428b9e6ee2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 14:21:59,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:21:59,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:21:59,521 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:21:59,522 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:21:59,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:21:59,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:21:59,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:21:59,526 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:21:59,527 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:21:59,527 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:21:59,528 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:21:59,528 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:21:59,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:21:59,539 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:21:59,541 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:21:59,542 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:21:59,545 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:21:59,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:21:59,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:21:59,560 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:21:59,561 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:21:59,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:21:59,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:21:59,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:21:59,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:21:59,564 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:21:59,577 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:21:59,578 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:21:59,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:21:59,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:21:59,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:21:59,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:21:59,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:21:59,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:21:59,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:21:59,582 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 14:21:59,600 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:21:59,600 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:21:59,600 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:21:59,601 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 14:21:59,602 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:21:59,602 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:21:59,602 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:21:59,603 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:21:59,603 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:21:59,603 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:21:59,603 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:21:59,603 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:21:59,603 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:21:59,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:21:59,604 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:21:59,604 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:21:59,604 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:21:59,604 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:21:59,604 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:21:59,604 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:21:59,604 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:21:59,605 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:21:59,605 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:21:59,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:21:59,608 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:21:59,608 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:21:59,608 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:21:59,609 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:21:59,609 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:21:59,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:21:59,609 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_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 -> 8be34918f5cf463066a3551693e083428b9e6ee2 [2018-11-18 14:21:59,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:21:59,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:21:59,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:21:59,665 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:21:59,665 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:21:59,666 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/../../sv-benchmarks/c/forester-heap/sll-sorted_false-unreach-call_false-valid-memcleanup.i [2018-11-18 14:21:59,716 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/data/26b2870fc/92047ce994f84890980549e32cbd9377/FLAGddf985e4c [2018-11-18 14:22:00,120 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:22:00,120 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/sv-benchmarks/c/forester-heap/sll-sorted_false-unreach-call_false-valid-memcleanup.i [2018-11-18 14:22:00,128 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/data/26b2870fc/92047ce994f84890980549e32cbd9377/FLAGddf985e4c [2018-11-18 14:22:00,140 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/data/26b2870fc/92047ce994f84890980549e32cbd9377 [2018-11-18 14:22:00,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:22:00,144 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 14:22:00,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:22:00,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:22:00,147 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:22:00,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:22:00" (1/1) ... [2018-11-18 14:22:00,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cab1b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:00, skipping insertion in model container [2018-11-18 14:22:00,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:22:00" (1/1) ... [2018-11-18 14:22:00,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:22:00,188 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:22:00,401 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:22:00,409 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:22:00,456 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:22:00,552 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:22:00,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:00 WrapperNode [2018-11-18 14:22:00,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:22:00,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:22:00,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:22:00,553 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:22:00,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:00" (1/1) ... [2018-11-18 14:22:00,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:00" (1/1) ... [2018-11-18 14:22:00,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:00" (1/1) ... [2018-11-18 14:22:00,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:00" (1/1) ... [2018-11-18 14:22:00,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:00" (1/1) ... [2018-11-18 14:22:00,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:00" (1/1) ... [2018-11-18 14:22:00,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:00" (1/1) ... [2018-11-18 14:22:00,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:22:00,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:22:00,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:22:00,603 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:22:00,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:00,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:22:00,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:22:00,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:22:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 14:22:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 14:22:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 14:22:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 14:22:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 14:22:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 14:22:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 14:22:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 14:22:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 14:22:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 14:22:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 14:22:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 14:22:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 14:22:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 14:22:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 14:22:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 14:22:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 14:22:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 14:22:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 14:22:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 14:22:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 14:22:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 14:22:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 14:22:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 14:22:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 14:22:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 14:22:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 14:22:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 14:22:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 14:22:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 14:22:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 14:22:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 14:22:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 14:22:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 14:22:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 14:22:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 14:22:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 14:22:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 14:22:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 14:22:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 14:22:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 14:22:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 14:22:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 14:22:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 14:22:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 14:22:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 14:22:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 14:22:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 14:22:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 14:22:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 14:22:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 14:22:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 14:22:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 14:22:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 14:22:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 14:22:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 14:22:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 14:22:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 14:22:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-18 14:22:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 14:22:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 14:22:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-18 14:22:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 14:22:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:22:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-18 14:22:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 14:22:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 14:22:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 14:22:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 14:22:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 14:22:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 14:22:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 14:22:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 14:22:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 14:22:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 14:22:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 14:22:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 14:22:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 14:22:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 14:22:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 14:22:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 14:22:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 14:22:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 14:22:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 14:22:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 14:22:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 14:22:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 14:22:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 14:22:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 14:22:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 14:22:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 14:22:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 14:22:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 14:22:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 14:22:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 14:22:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 14:22:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 14:22:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 14:22:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 14:22:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 14:22:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 14:22:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 14:22:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 14:22:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 14:22:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 14:22:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:22:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:22:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 14:22:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 14:22:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 14:22:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 14:22:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:22:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:22:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:22:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 14:22:01,275 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:22:01,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:22:01 BoogieIcfgContainer [2018-11-18 14:22:01,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:22:01,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:22:01,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:22:01,279 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:22:01,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:22:00" (1/3) ... [2018-11-18 14:22:01,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57229610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:22:01, skipping insertion in model container [2018-11-18 14:22:01,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:00" (2/3) ... [2018-11-18 14:22:01,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57229610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:22:01, skipping insertion in model container [2018-11-18 14:22:01,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:22:01" (3/3) ... [2018-11-18 14:22:01,282 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-sorted_false-unreach-call_false-valid-memcleanup.i [2018-11-18 14:22:01,291 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:22:01,297 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 14:22:01,310 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 14:22:01,336 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:22:01,336 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:22:01,336 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:22:01,336 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:22:01,337 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:22:01,337 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:22:01,337 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:22:01,337 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:22:01,337 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:22:01,353 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-11-18 14:22:01,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 14:22:01,362 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:01,362 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:22:01,364 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:01,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:01,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1023559784, now seen corresponding path program 1 times [2018-11-18 14:22:01,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:01,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:01,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:01,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:01,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:01,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:01,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:01,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:22:01,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:22:01,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:22:01,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:22:01,499 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2018-11-18 14:22:01,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:01,519 INFO L93 Difference]: Finished difference Result 129 states and 195 transitions. [2018-11-18 14:22:01,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:22:01,520 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-18 14:22:01,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:01,528 INFO L225 Difference]: With dead ends: 129 [2018-11-18 14:22:01,528 INFO L226 Difference]: Without dead ends: 62 [2018-11-18 14:22:01,530 INFO L604 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 [2018-11-18 14:22:01,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-18 14:22:01,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-11-18 14:22:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-18 14:22:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2018-11-18 14:22:01,568 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 11 [2018-11-18 14:22:01,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:01,568 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2018-11-18 14:22:01,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:22:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2018-11-18 14:22:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 14:22:01,570 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:01,570 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:22:01,570 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:01,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:01,571 INFO L82 PathProgramCache]: Analyzing trace with hash 2122076678, now seen corresponding path program 1 times [2018-11-18 14:22:01,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:01,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:01,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:01,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:01,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:01,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:01,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:01,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:22:01,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:22:01,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:22:01,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:22:01,629 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand 3 states. [2018-11-18 14:22:01,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:01,840 INFO L93 Difference]: Finished difference Result 125 states and 148 transitions. [2018-11-18 14:22:01,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:22:01,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 14:22:01,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:01,846 INFO L225 Difference]: With dead ends: 125 [2018-11-18 14:22:01,846 INFO L226 Difference]: Without dead ends: 69 [2018-11-18 14:22:01,847 INFO L604 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 [2018-11-18 14:22:01,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-18 14:22:01,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2018-11-18 14:22:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-11-18 14:22:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2018-11-18 14:22:01,855 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 13 [2018-11-18 14:22:01,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:01,855 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2018-11-18 14:22:01,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:22:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2018-11-18 14:22:01,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 14:22:01,855 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:01,856 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:22:01,856 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:01,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:01,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1388213915, now seen corresponding path program 1 times [2018-11-18 14:22:01,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:01,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:01,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:01,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:01,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:01,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:22:01,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:01,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:22:01,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:22:01,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:22:01,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:22:01,987 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand 4 states. [2018-11-18 14:22:02,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:02,250 INFO L93 Difference]: Finished difference Result 106 states and 124 transitions. [2018-11-18 14:22:02,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:22:02,251 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-18 14:22:02,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:02,252 INFO L225 Difference]: With dead ends: 106 [2018-11-18 14:22:02,252 INFO L226 Difference]: Without dead ends: 104 [2018-11-18 14:22:02,252 INFO L604 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 [2018-11-18 14:22:02,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-18 14:22:02,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 65. [2018-11-18 14:22:02,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 14:22:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2018-11-18 14:22:02,260 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 76 transitions. Word has length 18 [2018-11-18 14:22:02,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:02,261 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 76 transitions. [2018-11-18 14:22:02,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:22:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2018-11-18 14:22:02,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 14:22:02,262 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:02,262 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] [2018-11-18 14:22:02,263 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:02,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:02,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1742810719, now seen corresponding path program 1 times [2018-11-18 14:22:02,263 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:02,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:02,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:02,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:02,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:22:02,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:02,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:22:02,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:22:02,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:22:02,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:22:02,532 INFO L87 Difference]: Start difference. First operand 65 states and 76 transitions. Second operand 5 states. [2018-11-18 14:22:02,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:02,971 INFO L93 Difference]: Finished difference Result 111 states and 130 transitions. [2018-11-18 14:22:02,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:22:02,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-11-18 14:22:02,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:02,972 INFO L225 Difference]: With dead ends: 111 [2018-11-18 14:22:02,972 INFO L226 Difference]: Without dead ends: 71 [2018-11-18 14:22:02,973 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:22:02,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-11-18 14:22:02,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2018-11-18 14:22:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-18 14:22:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 81 transitions. [2018-11-18 14:22:02,982 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 81 transitions. Word has length 30 [2018-11-18 14:22:02,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:02,983 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 81 transitions. [2018-11-18 14:22:02,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:22:02,983 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2018-11-18 14:22:02,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 14:22:02,984 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:02,984 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] [2018-11-18 14:22:02,984 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:02,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:02,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1744657761, now seen corresponding path program 1 times [2018-11-18 14:22:02,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:02,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:02,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:02,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:02,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:03,506 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2018-11-18 14:22:03,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:03,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:03,613 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:03,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:03,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:03,709 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 [2018-11-18 14:22:03,710 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:03,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:03,726 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 14:22:03,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:03,778 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:03,779 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 [2018-11-18 14:22:03,780 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:03,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:03,810 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 [2018-11-18 14:22:03,810 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:03,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:03,889 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 [2018-11-18 14:22:03,890 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:03,906 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:03,911 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:03,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:03,965 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 8 treesize of output 7 [2018-11-18 14:22:03,965 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:03,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-18 14:22:04,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-11-18 14:22:04,010 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,070 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,129 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,166 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,166 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:65, output treesize:41 [2018-11-18 14:22:04,189 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 [2018-11-18 14:22:04,191 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 [2018-11-18 14:22:04,192 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,193 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,212 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,213 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:64, output treesize:56 [2018-11-18 14:22:04,291 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 [2018-11-18 14:22:04,296 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 9 treesize of output 1 [2018-11-18 14:22:04,297 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,307 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 [2018-11-18 14:22:04,308 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,316 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,333 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 32 treesize of output 28 [2018-11-18 14:22:04,338 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 [2018-11-18 14:22:04,338 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-18 14:22:04,344 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,346 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,349 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:70, output treesize:9 [2018-11-18 14:22:04,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-18 14:22:04,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-18 14:22:04,369 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,371 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:04,371 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-11-18 14:22:04,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:04,402 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:22:04,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2018-11-18 14:22:04,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 14:22:04,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 14:22:04,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-11-18 14:22:04,403 INFO L87 Difference]: Start difference. First operand 69 states and 81 transitions. Second operand 14 states. [2018-11-18 14:22:05,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:05,156 INFO L93 Difference]: Finished difference Result 156 states and 194 transitions. [2018-11-18 14:22:05,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 14:22:05,157 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2018-11-18 14:22:05,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:05,159 INFO L225 Difference]: With dead ends: 156 [2018-11-18 14:22:05,159 INFO L226 Difference]: Without dead ends: 154 [2018-11-18 14:22:05,159 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-11-18 14:22:05,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-18 14:22:05,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 96. [2018-11-18 14:22:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 14:22:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 116 transitions. [2018-11-18 14:22:05,169 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 116 transitions. Word has length 30 [2018-11-18 14:22:05,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:05,170 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 116 transitions. [2018-11-18 14:22:05,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 14:22:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 116 transitions. [2018-11-18 14:22:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 14:22:05,171 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:05,171 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:22:05,171 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:05,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:05,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1917961141, now seen corresponding path program 1 times [2018-11-18 14:22:05,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:05,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:05,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:05,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:05,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:05,355 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:05,355 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:05,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:05,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:05,403 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 [2018-11-18 14:22:05,403 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,438 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 14:22:05,447 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:05,449 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:05,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-18 14:22:05,450 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:05,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-11-18 14:22:05,464 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:05,478 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 [2018-11-18 14:22:05,478 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,483 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,487 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:05,497 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 [2018-11-18 14:22:05,497 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-18 14:22:05,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 14:22:05,514 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,518 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,521 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:05,527 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:65, output treesize:38 [2018-11-18 14:22:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:05,647 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:22:05,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 12 [2018-11-18 14:22:05,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 14:22:05,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 14:22:05,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-11-18 14:22:05,648 INFO L87 Difference]: Start difference. First operand 96 states and 116 transitions. Second operand 12 states. [2018-11-18 14:22:06,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:06,303 INFO L93 Difference]: Finished difference Result 189 states and 231 transitions. [2018-11-18 14:22:06,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 14:22:06,304 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2018-11-18 14:22:06,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:06,305 INFO L225 Difference]: With dead ends: 189 [2018-11-18 14:22:06,305 INFO L226 Difference]: Without dead ends: 141 [2018-11-18 14:22:06,305 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2018-11-18 14:22:06,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-18 14:22:06,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 99. [2018-11-18 14:22:06,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-18 14:22:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 117 transitions. [2018-11-18 14:22:06,314 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 117 transitions. Word has length 34 [2018-11-18 14:22:06,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:06,314 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 117 transitions. [2018-11-18 14:22:06,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 14:22:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 117 transitions. [2018-11-18 14:22:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 14:22:06,315 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:06,315 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:22:06,315 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:06,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:06,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1695100743, now seen corresponding path program 1 times [2018-11-18 14:22:06,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:06,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:06,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:06,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:06,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:22:06,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:06,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:22:06,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:22:06,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:22:06,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:22:06,347 INFO L87 Difference]: Start difference. First operand 99 states and 117 transitions. Second operand 3 states. [2018-11-18 14:22:06,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:06,383 INFO L93 Difference]: Finished difference Result 143 states and 168 transitions. [2018-11-18 14:22:06,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:22:06,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-11-18 14:22:06,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:06,384 INFO L225 Difference]: With dead ends: 143 [2018-11-18 14:22:06,384 INFO L226 Difference]: Without dead ends: 101 [2018-11-18 14:22:06,385 INFO L604 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 [2018-11-18 14:22:06,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-18 14:22:06,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2018-11-18 14:22:06,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-18 14:22:06,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 118 transitions. [2018-11-18 14:22:06,391 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 118 transitions. Word has length 34 [2018-11-18 14:22:06,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:06,392 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 118 transitions. [2018-11-18 14:22:06,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:22:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2018-11-18 14:22:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 14:22:06,393 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:06,393 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:22:06,393 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:06,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:06,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1696947785, now seen corresponding path program 1 times [2018-11-18 14:22:06,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:06,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:06,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:06,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:06,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:06,538 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:22:06,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:06,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:22:06,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:22:06,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:22:06,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:22:06,539 INFO L87 Difference]: Start difference. First operand 100 states and 118 transitions. Second operand 5 states. [2018-11-18 14:22:06,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:06,691 INFO L93 Difference]: Finished difference Result 150 states and 176 transitions. [2018-11-18 14:22:06,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:22:06,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-11-18 14:22:06,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:06,693 INFO L225 Difference]: With dead ends: 150 [2018-11-18 14:22:06,693 INFO L226 Difference]: Without dead ends: 106 [2018-11-18 14:22:06,693 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:22:06,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-18 14:22:06,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 99. [2018-11-18 14:22:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-18 14:22:06,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2018-11-18 14:22:06,704 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 34 [2018-11-18 14:22:06,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:06,704 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2018-11-18 14:22:06,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:22:06,705 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2018-11-18 14:22:06,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 14:22:06,705 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:06,705 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:22:06,706 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:06,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:06,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1972712736, now seen corresponding path program 2 times [2018-11-18 14:22:06,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:06,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:06,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:06,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:06,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:07,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:07,085 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:07,091 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 14:22:07,113 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 14:22:07,113 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 14:22:07,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:07,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 14:22:07,118 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,125 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,126 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-11-18 14:22:07,157 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:07,165 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:07,166 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 [2018-11-18 14:22:07,166 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:07,184 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 [2018-11-18 14:22:07,184 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:07,201 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 [2018-11-18 14:22:07,202 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,246 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,250 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:07,264 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 [2018-11-18 14:22:07,264 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-18 14:22:07,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-11-18 14:22:07,314 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,326 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,329 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,338 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,338 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:74, output treesize:54 [2018-11-18 14:22:07,360 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 [2018-11-18 14:22:07,362 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 [2018-11-18 14:22:07,362 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,364 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,374 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:67 [2018-11-18 14:22:07,458 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:07,461 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:07,463 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:07,463 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 [2018-11-18 14:22:07,464 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,492 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 139 [2018-11-18 14:22:07,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2018-11-18 14:22:07,497 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,518 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 126 treesize of output 130 [2018-11-18 14:22:07,520 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 [2018-11-18 14:22:07,520 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,549 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,582 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,602 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 99 treesize of output 77 [2018-11-18 14:22:07,605 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 26 treesize of output 15 [2018-11-18 14:22:07,605 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,618 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 59 treesize of output 76 [2018-11-18 14:22:07,620 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 [2018-11-18 14:22:07,620 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,628 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,634 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,646 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,646 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:180, output treesize:70 [2018-11-18 14:22:07,679 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 [2018-11-18 14:22:07,681 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 [2018-11-18 14:22:07,681 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,685 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,695 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. [2018-11-18 14:22:07,696 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:140, output treesize:124 [2018-11-18 14:22:07,834 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 [2018-11-18 14:22:07,837 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 39 treesize of output 28 [2018-11-18 14:22:07,837 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:22:07,854 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,895 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 49 treesize of output 25 [2018-11-18 14:22:07,896 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:07,920 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:07,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-11-18 14:22:07,936 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 [2018-11-18 14:22:07,937 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-18 14:22:07,942 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,944 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,956 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:07,956 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:135, output treesize:23 [2018-11-18 14:22:07,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-11-18 14:22:07,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-18 14:22:07,986 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,990 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 [2018-11-18 14:22:07,990 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,993 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,995 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:07,995 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:32, output treesize:3 [2018-11-18 14:22:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:08,025 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:22:08,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 19 [2018-11-18 14:22:08,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 14:22:08,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 14:22:08,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=295, Unknown=1, NotChecked=0, Total=342 [2018-11-18 14:22:08,026 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 19 states. [2018-11-18 14:22:09,206 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2018-11-18 14:22:10,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:10,523 INFO L93 Difference]: Finished difference Result 319 states and 380 transitions. [2018-11-18 14:22:10,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-18 14:22:10,523 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 35 [2018-11-18 14:22:10,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:10,524 INFO L225 Difference]: With dead ends: 319 [2018-11-18 14:22:10,524 INFO L226 Difference]: Without dead ends: 317 [2018-11-18 14:22:10,525 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=404, Invalid=2351, Unknown=1, NotChecked=0, Total=2756 [2018-11-18 14:22:10,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-11-18 14:22:10,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 122. [2018-11-18 14:22:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-18 14:22:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 148 transitions. [2018-11-18 14:22:10,538 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 148 transitions. Word has length 35 [2018-11-18 14:22:10,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:10,538 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 148 transitions. [2018-11-18 14:22:10,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 14:22:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 148 transitions. [2018-11-18 14:22:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 14:22:10,539 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:10,539 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-11-18 14:22:10,539 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:10,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:10,539 INFO L82 PathProgramCache]: Analyzing trace with hash 2113261346, now seen corresponding path program 1 times [2018-11-18 14:22:10,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:10,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:10,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:10,541 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:22:10,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:10,602 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:22:10,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:10,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:22:10,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:22:10,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:22:10,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:22:10,603 INFO L87 Difference]: Start difference. First operand 122 states and 148 transitions. Second operand 3 states. [2018-11-18 14:22:10,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:10,635 INFO L93 Difference]: Finished difference Result 210 states and 252 transitions. [2018-11-18 14:22:10,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:22:10,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2018-11-18 14:22:10,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:10,636 INFO L225 Difference]: With dead ends: 210 [2018-11-18 14:22:10,636 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 14:22:10,636 INFO L604 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 [2018-11-18 14:22:10,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 14:22:10,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2018-11-18 14:22:10,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-18 14:22:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 139 transitions. [2018-11-18 14:22:10,647 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 139 transitions. Word has length 35 [2018-11-18 14:22:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:10,647 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 139 transitions. [2018-11-18 14:22:10,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:22:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 139 transitions. [2018-11-18 14:22:10,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 14:22:10,648 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:10,648 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 14:22:10,649 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:10,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:10,649 INFO L82 PathProgramCache]: Analyzing trace with hash -2119666336, now seen corresponding path program 1 times [2018-11-18 14:22:10,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:10,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:10,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:10,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:10,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:10,925 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-11-18 14:22:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:11,148 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:11,149 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:11,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:11,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:11,179 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 [2018-11-18 14:22:11,179 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,237 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 14:22:11,268 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:11,270 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:11,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-18 14:22:11,271 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:11,288 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 [2018-11-18 14:22:11,288 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:11,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 11 [2018-11-18 14:22:11,300 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,305 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,310 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:11,324 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 [2018-11-18 14:22:11,324 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:11,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 11 [2018-11-18 14:22:11,334 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,338 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,341 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,349 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,349 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:74, output treesize:54 [2018-11-18 14:22:11,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-11-18 14:22:11,374 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 [2018-11-18 14:22:11,375 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,394 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:67 [2018-11-18 14:22:11,420 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:11,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:11,423 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:11,423 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 [2018-11-18 14:22:11,423 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,448 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 139 [2018-11-18 14:22:11,452 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 26 treesize of output 23 [2018-11-18 14:22:11,452 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 130 [2018-11-18 14:22:11,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 14:22:11,476 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,489 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,499 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,517 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 106 treesize of output 84 [2018-11-18 14:22:11,520 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 26 treesize of output 23 [2018-11-18 14:22:11,520 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,534 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 66 treesize of output 83 [2018-11-18 14:22:11,536 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 [2018-11-18 14:22:11,536 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,545 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,551 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,562 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:184, output treesize:74 [2018-11-18 14:22:11,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-18 14:22:11,591 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 [2018-11-18 14:22:11,592 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,610 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,626 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. [2018-11-18 14:22:11,627 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:144, output treesize:128 [2018-11-18 14:22:11,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 91 [2018-11-18 14:22:11,708 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 [2018-11-18 14:22:11,708 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,731 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 [2018-11-18 14:22:11,732 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:11,739 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 28 treesize of output 22 [2018-11-18 14:22:11,740 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:11,750 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:11,762 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 23 treesize of output 23 [2018-11-18 14:22:11,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-11-18 14:22:11,764 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,769 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 [2018-11-18 14:22:11,769 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,770 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:11,776 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 1 xjuncts. [2018-11-18 14:22:11,776 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:129, output treesize:20 [2018-11-18 14:22:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:11,831 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:22:11,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 18 [2018-11-18 14:22:11,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 14:22:11,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 14:22:11,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=260, Unknown=1, NotChecked=0, Total=306 [2018-11-18 14:22:11,832 INFO L87 Difference]: Start difference. First operand 118 states and 139 transitions. Second operand 18 states. [2018-11-18 14:22:12,430 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2018-11-18 14:22:12,624 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-11-18 14:22:13,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:13,038 INFO L93 Difference]: Finished difference Result 259 states and 299 transitions. [2018-11-18 14:22:13,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 14:22:13,039 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 35 [2018-11-18 14:22:13,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:13,039 INFO L225 Difference]: With dead ends: 259 [2018-11-18 14:22:13,040 INFO L226 Difference]: Without dead ends: 215 [2018-11-18 14:22:13,040 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=155, Invalid=774, Unknown=1, NotChecked=0, Total=930 [2018-11-18 14:22:13,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-11-18 14:22:13,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 136. [2018-11-18 14:22:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-18 14:22:13,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 160 transitions. [2018-11-18 14:22:13,049 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 160 transitions. Word has length 35 [2018-11-18 14:22:13,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:13,049 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 160 transitions. [2018-11-18 14:22:13,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 14:22:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 160 transitions. [2018-11-18 14:22:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 14:22:13,050 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:13,051 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] [2018-11-18 14:22:13,051 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:13,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:13,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1971714443, now seen corresponding path program 1 times [2018-11-18 14:22:13,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:13,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:13,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:13,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:13,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:22:13,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:13,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:22:13,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:22:13,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:22:13,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:22:13,127 INFO L87 Difference]: Start difference. First operand 136 states and 160 transitions. Second operand 3 states. [2018-11-18 14:22:13,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:13,190 INFO L93 Difference]: Finished difference Result 165 states and 192 transitions. [2018-11-18 14:22:13,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:22:13,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-11-18 14:22:13,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:13,191 INFO L225 Difference]: With dead ends: 165 [2018-11-18 14:22:13,191 INFO L226 Difference]: Without dead ends: 137 [2018-11-18 14:22:13,192 INFO L604 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 [2018-11-18 14:22:13,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-18 14:22:13,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-18 14:22:13,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-18 14:22:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 161 transitions. [2018-11-18 14:22:13,202 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 161 transitions. Word has length 37 [2018-11-18 14:22:13,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:13,202 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 161 transitions. [2018-11-18 14:22:13,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:22:13,202 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2018-11-18 14:22:13,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 14:22:13,203 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:13,203 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] [2018-11-18 14:22:13,203 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:13,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:13,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1969867401, now seen corresponding path program 1 times [2018-11-18 14:22:13,204 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:13,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:13,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:13,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:13,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:13,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:13,497 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:13,497 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:13,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:13,522 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:13,525 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 [2018-11-18 14:22:13,525 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:13,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:13,533 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 14:22:13,542 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:13,543 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:13,543 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 [2018-11-18 14:22:13,544 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:13,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:13,567 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 [2018-11-18 14:22:13,567 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:13,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:13,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 14:22:13,575 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:13,579 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:13,582 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:13,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:13,592 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:48, output treesize:42 [2018-11-18 14:22:14,068 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:14,069 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:14,070 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:14,070 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 [2018-11-18 14:22:14,071 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:14,079 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 43 treesize of output 29 [2018-11-18 14:22:14,086 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 24 treesize of output 13 [2018-11-18 14:22:14,086 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:14,092 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 [2018-11-18 14:22:14,092 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:14,095 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:14,099 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:14,099 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:62, output treesize:4 [2018-11-18 14:22:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:14,133 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:22:14,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 13 [2018-11-18 14:22:14,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 14:22:14,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 14:22:14,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:22:14,134 INFO L87 Difference]: Start difference. First operand 137 states and 161 transitions. Second operand 13 states. [2018-11-18 14:22:14,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:14,809 INFO L93 Difference]: Finished difference Result 245 states and 283 transitions. [2018-11-18 14:22:14,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 14:22:14,810 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-11-18 14:22:14,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:14,811 INFO L225 Difference]: With dead ends: 245 [2018-11-18 14:22:14,811 INFO L226 Difference]: Without dead ends: 215 [2018-11-18 14:22:14,812 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2018-11-18 14:22:14,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-11-18 14:22:14,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 152. [2018-11-18 14:22:14,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 14:22:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 179 transitions. [2018-11-18 14:22:14,822 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 179 transitions. Word has length 37 [2018-11-18 14:22:14,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:14,822 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 179 transitions. [2018-11-18 14:22:14,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 14:22:14,822 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 179 transitions. [2018-11-18 14:22:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 14:22:14,823 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:14,823 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] [2018-11-18 14:22:14,823 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:14,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:14,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1645041525, now seen corresponding path program 1 times [2018-11-18 14:22:14,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:14,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:14,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:14,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:14,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:14,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:14,946 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:14,946 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:14,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:14,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:14,981 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 [2018-11-18 14:22:14,981 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:14,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 14:22:14,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 14:22:14,994 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:14,996 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,000 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:23, output treesize:18 [2018-11-18 14:22:15,020 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:15,025 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:15,025 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 [2018-11-18 14:22:15,026 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,032 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-11-18 14:22:15,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-11-18 14:22:15,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 14:22:15,051 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,055 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,061 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. [2018-11-18 14:22:15,062 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:40, output treesize:36 [2018-11-18 14:22:15,086 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:15,087 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:15,088 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:15,089 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 16 treesize of output 13 [2018-11-18 14:22:15,089 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2018-11-18 14:22:15,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 14:22:15,104 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,111 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:15,119 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:54, output treesize:43 [2018-11-18 14:22:15,168 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 33 treesize of output 37 [2018-11-18 14:22:15,170 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 [2018-11-18 14:22:15,170 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,177 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 [2018-11-18 14:22:15,177 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,182 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 [2018-11-18 14:22:15,182 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,184 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:15,191 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:45, output treesize:3 [2018-11-18 14:22:15,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:15,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:22:15,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 16 [2018-11-18 14:22:15,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 14:22:15,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 14:22:15,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2018-11-18 14:22:15,220 INFO L87 Difference]: Start difference. First operand 152 states and 179 transitions. Second operand 16 states. [2018-11-18 14:22:15,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:15,943 INFO L93 Difference]: Finished difference Result 232 states and 269 transitions. [2018-11-18 14:22:15,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 14:22:15,943 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2018-11-18 14:22:15,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:15,944 INFO L225 Difference]: With dead ends: 232 [2018-11-18 14:22:15,944 INFO L226 Difference]: Without dead ends: 215 [2018-11-18 14:22:15,944 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-11-18 14:22:15,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-11-18 14:22:15,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 169. [2018-11-18 14:22:15,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-11-18 14:22:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 199 transitions. [2018-11-18 14:22:15,961 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 199 transitions. Word has length 37 [2018-11-18 14:22:15,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:15,962 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 199 transitions. [2018-11-18 14:22:15,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 14:22:15,962 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 199 transitions. [2018-11-18 14:22:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 14:22:15,963 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:15,963 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] [2018-11-18 14:22:15,963 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:15,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:15,963 INFO L82 PathProgramCache]: Analyzing trace with hash -2024936081, now seen corresponding path program 1 times [2018-11-18 14:22:15,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:15,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:15,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:15,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:15,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:16,089 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:16,089 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:16,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:16,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:16,125 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 [2018-11-18 14:22:16,125 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,129 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 14:22:16,139 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:16,140 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:16,141 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 [2018-11-18 14:22:16,141 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:16,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-11-18 14:22:16,157 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:16,169 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 [2018-11-18 14:22:16,169 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,173 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,177 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:16,187 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 [2018-11-18 14:22:16,187 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-18 14:22:16,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 14:22:16,198 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,202 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,205 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,210 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:16,210 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:65, output treesize:38 [2018-11-18 14:22:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:16,290 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:22:16,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 13 [2018-11-18 14:22:16,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 14:22:16,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 14:22:16,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:22:16,291 INFO L87 Difference]: Start difference. First operand 169 states and 199 transitions. Second operand 13 states. [2018-11-18 14:22:16,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:16,832 INFO L93 Difference]: Finished difference Result 252 states and 293 transitions. [2018-11-18 14:22:16,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 14:22:16,833 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-11-18 14:22:16,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:16,834 INFO L225 Difference]: With dead ends: 252 [2018-11-18 14:22:16,834 INFO L226 Difference]: Without dead ends: 193 [2018-11-18 14:22:16,834 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=363, Unknown=2, NotChecked=0, Total=462 [2018-11-18 14:22:16,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-11-18 14:22:16,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 176. [2018-11-18 14:22:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-11-18 14:22:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 207 transitions. [2018-11-18 14:22:16,846 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 207 transitions. Word has length 37 [2018-11-18 14:22:16,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:16,846 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 207 transitions. [2018-11-18 14:22:16,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 14:22:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 207 transitions. [2018-11-18 14:22:16,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 14:22:16,846 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:16,847 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] [2018-11-18 14:22:16,847 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:16,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:16,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1420989245, now seen corresponding path program 1 times [2018-11-18 14:22:16,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:16,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:16,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:16,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:16,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:22:16,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:16,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:22:16,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:22:16,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:22:16,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:22:16,940 INFO L87 Difference]: Start difference. First operand 176 states and 207 transitions. Second operand 5 states. [2018-11-18 14:22:17,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:17,058 INFO L93 Difference]: Finished difference Result 201 states and 230 transitions. [2018-11-18 14:22:17,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:22:17,059 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-11-18 14:22:17,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:17,060 INFO L225 Difference]: With dead ends: 201 [2018-11-18 14:22:17,060 INFO L226 Difference]: Without dead ends: 189 [2018-11-18 14:22:17,060 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:22:17,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-11-18 14:22:17,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 175. [2018-11-18 14:22:17,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 14:22:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 205 transitions. [2018-11-18 14:22:17,074 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 205 transitions. Word has length 39 [2018-11-18 14:22:17,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:17,074 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 205 transitions. [2018-11-18 14:22:17,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:22:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 205 transitions. [2018-11-18 14:22:17,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 14:22:17,075 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:17,075 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] [2018-11-18 14:22:17,075 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:17,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:17,079 INFO L82 PathProgramCache]: Analyzing trace with hash -354018117, now seen corresponding path program 1 times [2018-11-18 14:22:17,079 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:17,079 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:17,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:17,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:17,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:17,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:17,288 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:17,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:17,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:17,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-11-18 14:22:17,319 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 14:22:17,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 14:22:17,329 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,333 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,339 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,339 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:23, output treesize:18 [2018-11-18 14:22:17,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:17,352 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:17,353 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 [2018-11-18 14:22:17,353 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,360 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-11-18 14:22:17,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-11-18 14:22:17,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 14:22:17,400 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,403 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,410 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. [2018-11-18 14:22:17,410 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:40, output treesize:36 [2018-11-18 14:22:17,446 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:17,447 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:17,448 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:17,449 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 16 treesize of output 13 [2018-11-18 14:22:17,449 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2018-11-18 14:22:17,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 14:22:17,466 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,473 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:17,481 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:54, output treesize:43 [2018-11-18 14:22:17,589 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 33 treesize of output 37 [2018-11-18 14:22:17,597 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 [2018-11-18 14:22:17,597 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:22:17,606 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,610 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 [2018-11-18 14:22:17,610 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,613 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:17,620 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:45, output treesize:3 [2018-11-18 14:22:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:17,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:22:17,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2018-11-18 14:22:17,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 14:22:17,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 14:22:17,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-11-18 14:22:17,664 INFO L87 Difference]: Start difference. First operand 175 states and 205 transitions. Second operand 18 states. [2018-11-18 14:22:18,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:18,269 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2018-11-18 14:22:18,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 14:22:18,270 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 39 [2018-11-18 14:22:18,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:18,271 INFO L225 Difference]: With dead ends: 221 [2018-11-18 14:22:18,271 INFO L226 Difference]: Without dead ends: 219 [2018-11-18 14:22:18,272 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2018-11-18 14:22:18,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-11-18 14:22:18,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 175. [2018-11-18 14:22:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 14:22:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 204 transitions. [2018-11-18 14:22:18,283 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 204 transitions. Word has length 39 [2018-11-18 14:22:18,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:18,284 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 204 transitions. [2018-11-18 14:22:18,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 14:22:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 204 transitions. [2018-11-18 14:22:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 14:22:18,284 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:18,284 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-11-18 14:22:18,285 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:18,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:18,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1197813174, now seen corresponding path program 2 times [2018-11-18 14:22:18,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:18,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:18,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:18,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:18,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:18,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:18,604 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:18,615 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 14:22:18,633 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 14:22:18,633 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 14:22:18,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:18,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 14:22:18,640 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,644 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,644 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-11-18 14:22:18,651 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:18,653 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:18,654 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 [2018-11-18 14:22:18,654 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:18,672 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 [2018-11-18 14:22:18,673 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:18,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 14:22:18,684 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,689 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,693 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:18,721 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 [2018-11-18 14:22:18,721 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-18 14:22:18,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-11-18 14:22:18,731 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,736 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,739 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,748 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:74, output treesize:54 [2018-11-18 14:22:18,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:22:18,770 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 [2018-11-18 14:22:18,770 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,772 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,782 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,782 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:67 [2018-11-18 14:22:18,816 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:18,818 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:18,819 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:18,820 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 [2018-11-18 14:22:18,820 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,845 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 139 [2018-11-18 14:22:18,849 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 26 treesize of output 15 [2018-11-18 14:22:18,849 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,870 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 126 treesize of output 130 [2018-11-18 14:22:18,872 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 [2018-11-18 14:22:18,873 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,883 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,894 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,910 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 99 treesize of output 77 [2018-11-18 14:22:18,913 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 26 treesize of output 15 [2018-11-18 14:22:18,913 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,926 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 59 treesize of output 76 [2018-11-18 14:22:18,928 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 [2018-11-18 14:22:18,928 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,936 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,941 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,952 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:180, output treesize:70 [2018-11-18 14:22:18,978 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 [2018-11-18 14:22:18,980 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 [2018-11-18 14:22:18,980 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,985 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:18,995 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. [2018-11-18 14:22:18,995 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:140, output treesize:124 [2018-11-18 14:22:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:19,295 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:22:19,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2018-11-18 14:22:19,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 14:22:19,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 14:22:19,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=202, Unknown=1, NotChecked=0, Total=240 [2018-11-18 14:22:19,296 INFO L87 Difference]: Start difference. First operand 175 states and 204 transitions. Second operand 16 states. [2018-11-18 14:22:20,142 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2018-11-18 14:22:21,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:21,546 INFO L93 Difference]: Finished difference Result 339 states and 387 transitions. [2018-11-18 14:22:21,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 14:22:21,547 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 39 [2018-11-18 14:22:21,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:21,548 INFO L225 Difference]: With dead ends: 339 [2018-11-18 14:22:21,548 INFO L226 Difference]: Without dead ends: 267 [2018-11-18 14:22:21,549 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=245, Invalid=1014, Unknown=1, NotChecked=0, Total=1260 [2018-11-18 14:22:21,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-11-18 14:22:21,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 172. [2018-11-18 14:22:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-11-18 14:22:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 199 transitions. [2018-11-18 14:22:21,570 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 199 transitions. Word has length 39 [2018-11-18 14:22:21,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:21,570 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 199 transitions. [2018-11-18 14:22:21,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 14:22:21,571 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 199 transitions. [2018-11-18 14:22:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 14:22:21,571 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:21,571 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-11-18 14:22:21,571 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:21,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:21,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1688318474, now seen corresponding path program 1 times [2018-11-18 14:22:21,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:21,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:21,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:21,578 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:22:21,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:21,949 WARN L180 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-11-18 14:22:22,117 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2018-11-18 14:22:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:22,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:22,290 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:22,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:22,315 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:22,318 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 [2018-11-18 14:22:22,318 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,323 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,323 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 14:22:22,350 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:22,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:22,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-18 14:22:22,351 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:22,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-11-18 14:22:22,369 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:22,381 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 [2018-11-18 14:22:22,381 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,387 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,391 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:22,404 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 [2018-11-18 14:22:22,405 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-18 14:22:22,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-11-18 14:22:22,413 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,418 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,421 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,430 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:74, output treesize:54 [2018-11-18 14:22:22,457 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:22,458 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:22,459 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:22,460 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 [2018-11-18 14:22:22,460 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,483 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 122 [2018-11-18 14:22:22,486 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 26 treesize of output 23 [2018-11-18 14:22:22,487 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,510 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 109 treesize of output 113 [2018-11-18 14:22:22,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 14:22:22,512 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,521 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,530 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,545 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 89 treesize of output 67 [2018-11-18 14:22:22,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2018-11-18 14:22:22,548 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,560 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 49 treesize of output 66 [2018-11-18 14:22:22,562 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 19 [2018-11-18 14:22:22,562 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,569 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,574 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,583 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:167, output treesize:84 [2018-11-18 14:22:22,620 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 49 treesize of output 34 [2018-11-18 14:22:22,621 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 34 treesize of output 33 [2018-11-18 14:22:22,622 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,632 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,632 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:163, output treesize:147 [2018-11-18 14:22:22,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 119 [2018-11-18 14:22:22,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-11-18 14:22:22,723 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,733 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 80 treesize of output 70 [2018-11-18 14:22:22,733 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:22,743 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 41 [2018-11-18 14:22:22,743 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:22,761 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 51 treesize of output 47 [2018-11-18 14:22:22,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2018-11-18 14:22:22,766 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,773 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 [2018-11-18 14:22:22,773 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-18 14:22:22,777 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,778 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,782 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,782 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:177, output treesize:9 [2018-11-18 14:22:22,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-18 14:22:22,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-18 14:22:22,801 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,801 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:22,802 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-11-18 14:22:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:22,833 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:22:22,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2018-11-18 14:22:22,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 14:22:22,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 14:22:22,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=333, Unknown=3, NotChecked=0, Total=380 [2018-11-18 14:22:22,833 INFO L87 Difference]: Start difference. First operand 172 states and 199 transitions. Second operand 20 states. [2018-11-18 14:22:24,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:24,963 INFO L93 Difference]: Finished difference Result 318 states and 367 transitions. [2018-11-18 14:22:24,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-18 14:22:24,963 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 39 [2018-11-18 14:22:24,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:24,964 INFO L225 Difference]: With dead ends: 318 [2018-11-18 14:22:24,964 INFO L226 Difference]: Without dead ends: 316 [2018-11-18 14:22:24,964 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=299, Invalid=1953, Unknown=4, NotChecked=0, Total=2256 [2018-11-18 14:22:24,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-11-18 14:22:24,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 211. [2018-11-18 14:22:24,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-18 14:22:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 249 transitions. [2018-11-18 14:22:24,982 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 249 transitions. Word has length 39 [2018-11-18 14:22:24,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:24,982 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 249 transitions. [2018-11-18 14:22:24,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 14:22:24,982 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 249 transitions. [2018-11-18 14:22:24,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 14:22:24,983 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:24,983 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 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] [2018-11-18 14:22:24,983 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:24,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:24,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1847194367, now seen corresponding path program 2 times [2018-11-18 14:22:24,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:24,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:24,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:24,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:24,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:25,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:25,309 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/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 [2018-11-18 14:22:25,316 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 14:22:25,345 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 14:22:25,346 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 14:22:25,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:25,353 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 [2018-11-18 14:22:25,353 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,373 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,373 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-11-18 14:22:25,394 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,397 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 14:22:25,398 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:25,422 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 8 treesize of output 7 [2018-11-18 14:22:25,422 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:25,433 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 [2018-11-18 14:22:25,433 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,438 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,442 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:25,456 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 [2018-11-18 14:22:25,457 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:25,466 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 [2018-11-18 14:22:25,466 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,470 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,473 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,483 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,483 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:77, output treesize:49 [2018-11-18 14:22:25,507 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 [2018-11-18 14:22:25,509 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 [2018-11-18 14:22:25,509 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,511 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,523 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:62, output treesize:62 [2018-11-18 14:22:25,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,555 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,556 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,557 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 [2018-11-18 14:22:25,557 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,595 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,598 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 131 [2018-11-18 14:22:25,602 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 24 [2018-11-18 14:22:25,602 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,620 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,624 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,627 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 105 treesize of output 125 [2018-11-18 14:22:25,630 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 [2018-11-18 14:22:25,630 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,644 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,654 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,673 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,676 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 62 treesize of output 44 [2018-11-18 14:22:25,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 11 [2018-11-18 14:22:25,679 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,687 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,692 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 30 treesize of output 55 [2018-11-18 14:22:25,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-11-18 14:22:25,698 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,706 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,710 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,725 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:163, output treesize:86 [2018-11-18 14:22:25,756 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 25 treesize of output 38 [2018-11-18 14:22:25,759 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 [2018-11-18 14:22:25,759 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,764 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,779 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:99, output treesize:103 [2018-11-18 14:22:25,814 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,815 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,817 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,819 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,821 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-11-18 14:22:25,822 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,868 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:25,871 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 57 [2018-11-18 14:22:25,874 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 27 treesize of output 19 [2018-11-18 14:22:25,874 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,891 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 34 treesize of output 59 [2018-11-18 14:22:25,893 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 19 [2018-11-18 14:22:25,894 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,903 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,909 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,956 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,959 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,966 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 141 [2018-11-18 14:22:25,970 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 22 treesize of output 15 [2018-11-18 14:22:25,970 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:25,988 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,993 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:25,997 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 137 treesize of output 136 [2018-11-18 14:22:25,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 19 [2018-11-18 14:22:26,000 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,015 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,028 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,046 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:26,046 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:250, output treesize:162 [2018-11-18 14:22:26,085 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,086 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 122 [2018-11-18 14:22:26,088 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 34 treesize of output 44 [2018-11-18 14:22:26,089 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,097 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,115 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. [2018-11-18 14:22:26,115 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:239, output treesize:203 [2018-11-18 14:22:26,332 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-18 14:22:26,332 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,354 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,357 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,359 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,360 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 136 [2018-11-18 14:22:26,370 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 69 [2018-11-18 14:22:26,371 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-18 14:22:26,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 52 [2018-11-18 14:22:26,400 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,403 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 55 treesize of output 46 [2018-11-18 14:22:26,403 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,427 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 67 treesize of output 59 [2018-11-18 14:22:26,427 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:26,434 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 71 [2018-11-18 14:22:26,435 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-18 14:22:26,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2018-11-18 14:22:26,478 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:26,481 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 74 treesize of output 66 [2018-11-18 14:22:26,481 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:26,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 70 [2018-11-18 14:22:26,485 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:26,526 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-1 vars, End of recursive call: 9 dim-0 vars, and 3 xjuncts. [2018-11-18 14:22:26,572 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,574 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 72 [2018-11-18 14:22:26,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:22:26,578 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,588 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,592 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 72 [2018-11-18 14:22:26,597 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 [2018-11-18 14:22:26,597 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,607 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,609 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,610 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:26,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 68 [2018-11-18 14:22:26,615 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 [2018-11-18 14:22:26,615 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,625 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:26,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 9 dim-0 vars, and 3 xjuncts. [2018-11-18 14:22:26,691 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 6 variables, input treesize:461, output treesize:127 [2018-11-18 14:22:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:26,761 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:22:26,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2018-11-18 14:22:26,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-18 14:22:26,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-18 14:22:26,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=387, Unknown=2, NotChecked=0, Total=462 [2018-11-18 14:22:26,762 INFO L87 Difference]: Start difference. First operand 211 states and 249 transitions. Second operand 22 states. [2018-11-18 14:22:28,701 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 111 [2018-11-18 14:22:29,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:29,306 INFO L93 Difference]: Finished difference Result 445 states and 515 transitions. [2018-11-18 14:22:29,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-18 14:22:29,307 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2018-11-18 14:22:29,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:29,308 INFO L225 Difference]: With dead ends: 445 [2018-11-18 14:22:29,308 INFO L226 Difference]: Without dead ends: 381 [2018-11-18 14:22:29,309 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 800 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=463, Invalid=2291, Unknown=2, NotChecked=0, Total=2756 [2018-11-18 14:22:29,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-18 14:22:29,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 240. [2018-11-18 14:22:29,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-11-18 14:22:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 285 transitions. [2018-11-18 14:22:29,343 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 285 transitions. Word has length 40 [2018-11-18 14:22:29,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:29,343 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 285 transitions. [2018-11-18 14:22:29,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-18 14:22:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 285 transitions. [2018-11-18 14:22:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 14:22:29,344 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:29,344 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] [2018-11-18 14:22:29,345 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:29,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:29,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1890065684, now seen corresponding path program 1 times [2018-11-18 14:22:29,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:29,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:29,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:29,350 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:22:29,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:22:29,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:29,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:22:29,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:22:29,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:22:29,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:22:29,383 INFO L87 Difference]: Start difference. First operand 240 states and 285 transitions. Second operand 5 states. [2018-11-18 14:22:29,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:29,494 INFO L93 Difference]: Finished difference Result 259 states and 304 transitions. [2018-11-18 14:22:29,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:22:29,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-11-18 14:22:29,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:29,496 INFO L225 Difference]: With dead ends: 259 [2018-11-18 14:22:29,496 INFO L226 Difference]: Without dead ends: 239 [2018-11-18 14:22:29,496 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:22:29,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-18 14:22:29,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2018-11-18 14:22:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-11-18 14:22:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 281 transitions. [2018-11-18 14:22:29,527 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 281 transitions. Word has length 42 [2018-11-18 14:22:29,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:29,527 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 281 transitions. [2018-11-18 14:22:29,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:22:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 281 transitions. [2018-11-18 14:22:29,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 14:22:29,528 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:29,528 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 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] [2018-11-18 14:22:29,528 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:29,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:29,535 INFO L82 PathProgramCache]: Analyzing trace with hash -779492331, now seen corresponding path program 2 times [2018-11-18 14:22:29,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:29,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:29,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:29,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:29,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:29,899 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-11-18 14:22:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:30,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:30,253 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:22:30,263 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 14:22:30,283 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 14:22:30,283 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 14:22:30,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:30,288 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 [2018-11-18 14:22:30,288 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,292 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,293 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-11-18 14:22:30,301 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,302 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,303 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 [2018-11-18 14:22:30,303 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:30,323 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 [2018-11-18 14:22:30,323 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:30,334 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 [2018-11-18 14:22:30,335 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,339 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,343 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:30,358 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 [2018-11-18 14:22:30,358 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:30,367 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 [2018-11-18 14:22:30,367 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,371 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,374 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,383 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,384 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:77, output treesize:49 [2018-11-18 14:22:30,423 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,425 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,427 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,428 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 [2018-11-18 14:22:30,428 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,461 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,462 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 120 [2018-11-18 14:22:30,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 24 [2018-11-18 14:22:30,466 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,482 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,486 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,489 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 94 treesize of output 114 [2018-11-18 14:22:30,492 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 [2018-11-18 14:22:30,493 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,505 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,514 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,531 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,535 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 62 treesize of output 44 [2018-11-18 14:22:30,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 11 [2018-11-18 14:22:30,538 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,545 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,550 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 30 treesize of output 55 [2018-11-18 14:22:30,553 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 23 [2018-11-18 14:22:30,553 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,560 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,564 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,576 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,577 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:152, output treesize:94 [2018-11-18 14:22:30,609 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 13 treesize of output 18 [2018-11-18 14:22:30,611 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 18 treesize of output 17 [2018-11-18 14:22:30,611 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,613 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,627 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,627 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:107, output treesize:111 [2018-11-18 14:22:30,666 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,668 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,670 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,673 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,676 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-11-18 14:22:30,677 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,711 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,714 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,721 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 206 [2018-11-18 14:22:30,726 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 38 treesize of output 23 [2018-11-18 14:22:30,726 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,749 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,755 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,762 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 206 treesize of output 193 [2018-11-18 14:22:30,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 14:22:30,765 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,783 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,798 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,819 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,826 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 154 treesize of output 140 [2018-11-18 14:22:30,829 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 38 treesize of output 23 [2018-11-18 14:22:30,829 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,842 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:30,850 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 90 treesize of output 147 [2018-11-18 14:22:30,852 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 8 treesize of output 7 [2018-11-18 14:22:30,852 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,864 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,871 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,886 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,887 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:292, output treesize:125 [2018-11-18 14:22:30,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 88 [2018-11-18 14:22:30,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 14:22:30,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,932 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:30,947 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. [2018-11-18 14:22:30,948 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:255, output treesize:231 [2018-11-18 14:22:31,111 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:31,114 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:31,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 162 [2018-11-18 14:22:31,125 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 63 [2018-11-18 14:22:31,126 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 14:22:31,147 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 [2018-11-18 14:22:31,147 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:31,161 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 111 treesize of output 91 [2018-11-18 14:22:31,161 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:31,174 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 59 treesize of output 29 [2018-11-18 14:22:31,175 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:31,186 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:31,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2018-11-18 14:22:31,204 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 [2018-11-18 14:22:31,204 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:31,212 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 [2018-11-18 14:22:31,212 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:31,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-18 14:22:31,218 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:31,220 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:31,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:31,228 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:258, output treesize:23 [2018-11-18 14:22:31,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-11-18 14:22:31,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 14:22:31,258 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:31,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-18 14:22:31,263 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:31,266 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:31,268 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:31,268 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:32, output treesize:3 [2018-11-18 14:22:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:31,308 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:22:31,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 25 [2018-11-18 14:22:31,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-18 14:22:31,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-18 14:22:31,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=531, Unknown=1, NotChecked=0, Total=600 [2018-11-18 14:22:31,309 INFO L87 Difference]: Start difference. First operand 237 states and 281 transitions. Second operand 25 states. [2018-11-18 14:22:32,487 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2018-11-18 14:22:33,323 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2018-11-18 14:22:33,638 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2018-11-18 14:22:34,797 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 102 [2018-11-18 14:22:35,040 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2018-11-18 14:22:35,634 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 87 [2018-11-18 14:22:36,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:36,981 INFO L93 Difference]: Finished difference Result 509 states and 600 transitions. [2018-11-18 14:22:36,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-11-18 14:22:36,984 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 44 [2018-11-18 14:22:36,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:36,985 INFO L225 Difference]: With dead ends: 509 [2018-11-18 14:22:36,985 INFO L226 Difference]: Without dead ends: 507 [2018-11-18 14:22:36,986 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2498 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=822, Invalid=7002, Unknown=8, NotChecked=0, Total=7832 [2018-11-18 14:22:36,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-11-18 14:22:37,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 279. [2018-11-18 14:22:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-18 14:22:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 336 transitions. [2018-11-18 14:22:37,017 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 336 transitions. Word has length 44 [2018-11-18 14:22:37,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:37,017 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 336 transitions. [2018-11-18 14:22:37,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-18 14:22:37,017 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 336 transitions. [2018-11-18 14:22:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 14:22:37,017 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:37,017 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 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] [2018-11-18 14:22:37,018 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:37,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:37,018 INFO L82 PathProgramCache]: Analyzing trace with hash 629343317, now seen corresponding path program 3 times [2018-11-18 14:22:37,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:37,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:37,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:37,018 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:22:37,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:37,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:37,552 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:22:37,561 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 14:22:37,593 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-18 14:22:37,593 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 14:22:37,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:37,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 14:22:37,598 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,606 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-11-18 14:22:37,612 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,614 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,614 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 [2018-11-18 14:22:37,614 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:37,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 14:22:37,635 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:37,646 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 [2018-11-18 14:22:37,646 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,652 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,656 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:37,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-11-18 14:22:37,671 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:37,681 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 [2018-11-18 14:22:37,681 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,690 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,693 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,702 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,703 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:77, output treesize:49 [2018-11-18 14:22:37,729 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,731 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,733 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,734 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 50 [2018-11-18 14:22:37,734 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,765 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,766 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 120 [2018-11-18 14:22:37,770 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 24 [2018-11-18 14:22:37,770 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,786 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,791 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,794 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 94 treesize of output 114 [2018-11-18 14:22:37,796 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 [2018-11-18 14:22:37,796 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,808 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,817 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,835 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,837 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:37,838 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 62 treesize of output 49 [2018-11-18 14:22:37,840 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 23 treesize of output 15 [2018-11-18 14:22:37,840 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,848 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 55 [2018-11-18 14:22:37,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-11-18 14:22:37,855 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,861 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,866 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,879 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,879 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:155, output treesize:89 [2018-11-18 14:22:37,911 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 13 treesize of output 18 [2018-11-18 14:22:37,913 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 [2018-11-18 14:22:37,913 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,916 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:37,932 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:102, output treesize:106 [2018-11-18 14:22:37,970 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,973 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,975 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,978 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,981 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:37,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-11-18 14:22:37,982 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,020 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,022 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,025 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,028 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 185 [2018-11-18 14:22:38,035 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 44 treesize of output 52 [2018-11-18 14:22:38,035 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,063 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,077 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,085 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,091 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,093 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,095 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,099 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 178 [2018-11-18 14:22:38,101 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 [2018-11-18 14:22:38,101 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,123 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,136 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,158 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,159 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,161 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,164 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:38,168 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 93 treesize of output 92 [2018-11-18 14:22:38,173 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 27 treesize of output 19 [2018-11-18 14:22:38,173 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,186 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,187 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,188 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,196 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 45 treesize of output 114 [2018-11-18 14:22:38,198 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 19 [2018-11-18 14:22:38,199 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,210 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,216 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,232 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,232 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:248, output treesize:120 [2018-11-18 14:22:38,312 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:38,313 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 51 treesize of output 77 [2018-11-18 14:22:38,315 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 38 treesize of output 48 [2018-11-18 14:22:38,315 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,321 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,336 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:38,337 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:188, output treesize:148 [2018-11-18 14:22:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:38,613 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:22:38,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2018-11-18 14:22:38,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-18 14:22:38,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-18 14:22:38,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2018-11-18 14:22:38,614 INFO L87 Difference]: Start difference. First operand 279 states and 336 transitions. Second operand 26 states. [2018-11-18 14:22:39,686 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2018-11-18 14:22:40,357 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2018-11-18 14:22:41,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:41,534 INFO L93 Difference]: Finished difference Result 467 states and 546 transitions. [2018-11-18 14:22:41,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-18 14:22:41,535 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 44 [2018-11-18 14:22:41,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:41,536 INFO L225 Difference]: With dead ends: 467 [2018-11-18 14:22:41,537 INFO L226 Difference]: Without dead ends: 409 [2018-11-18 14:22:41,537 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=418, Invalid=2552, Unknown=0, NotChecked=0, Total=2970 [2018-11-18 14:22:41,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-11-18 14:22:41,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 296. [2018-11-18 14:22:41,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-11-18 14:22:41,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 357 transitions. [2018-11-18 14:22:41,577 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 357 transitions. Word has length 44 [2018-11-18 14:22:41,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:41,577 INFO L480 AbstractCegarLoop]: Abstraction has 296 states and 357 transitions. [2018-11-18 14:22:41,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-18 14:22:41,577 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 357 transitions. [2018-11-18 14:22:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 14:22:41,578 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:41,578 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:22:41,578 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:41,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:41,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1194406016, now seen corresponding path program 3 times [2018-11-18 14:22:41,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:22:41,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:22:41,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:41,580 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:22:41,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:41,837 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-11-18 14:22:42,119 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:42,119 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:42,119 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:22:42,126 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 14:22:42,168 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-18 14:22:42,168 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 14:22:42,171 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:42,174 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 [2018-11-18 14:22:42,174 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,180 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-11-18 14:22:42,188 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,190 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,191 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 [2018-11-18 14:22:42,192 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:42,211 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 [2018-11-18 14:22:42,212 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:22:42,223 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 [2018-11-18 14:22:42,223 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,228 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,232 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:22:42,250 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 [2018-11-18 14:22:42,250 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,257 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 19 treesize of output 24 [2018-11-18 14:22:42,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 14:22:42,260 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,264 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,267 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,277 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,277 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:77, output treesize:53 [2018-11-18 14:22:42,376 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 [2018-11-18 14:22:42,377 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 [2018-11-18 14:22:42,378 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,379 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,390 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,390 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:66, output treesize:66 [2018-11-18 14:22:42,433 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,436 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,457 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,458 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 [2018-11-18 14:22:42,458 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,488 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 122 [2018-11-18 14:22:42,494 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 24 [2018-11-18 14:22:42,494 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,511 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,515 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,519 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 96 treesize of output 116 [2018-11-18 14:22:42,521 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 [2018-11-18 14:22:42,521 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,534 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,543 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,560 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,563 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:42,564 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 62 treesize of output 49 [2018-11-18 14:22:42,566 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 23 treesize of output 15 [2018-11-18 14:22:42,566 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,574 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,579 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 30 treesize of output 55 [2018-11-18 14:22:42,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-11-18 14:22:42,581 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,588 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,592 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,604 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,604 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:160, output treesize:81 [2018-11-18 14:22:42,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 38 [2018-11-18 14:22:42,649 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 [2018-11-18 14:22:42,649 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,667 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,667 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:94, output treesize:98 [2018-11-18 14:22:42,699 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,701 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,709 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 0 case distinctions, treesize of input 214 treesize of output 162 [2018-11-18 14:22:42,717 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 15 [2018-11-18 14:22:42,717 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:42,745 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,756 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:42,786 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 6 new quantified variables, introduced 9 case distinctions, treesize of input 166 treesize of output 170 [2018-11-18 14:22:42,787 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 14:22:42,800 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:43,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 116 [2018-11-18 14:22:43,521 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:43,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 104 [2018-11-18 14:22:43,763 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:44,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 161 [2018-11-18 14:22:44,246 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:44,449 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 143 treesize of output 142 [2018-11-18 14:22:44,449 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:44,745 INFO L267 ElimStorePlain]: Start of recursive call 4: 8 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 14:22:44,890 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 14:22:45,047 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,049 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:45,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 136 [2018-11-18 14:22:45,054 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 27 treesize of output 19 [2018-11-18 14:22:45,055 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,071 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,073 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:45,077 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 45 treesize of output 92 [2018-11-18 14:22:45,079 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 27 treesize of output 19 [2018-11-18 14:22:45,080 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,087 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,098 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,100 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,102 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,103 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,106 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:45,110 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 149 treesize of output 148 [2018-11-18 14:22:45,112 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 27 treesize of output 19 [2018-11-18 14:22:45,112 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,132 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,133 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,135 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,159 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 192 [2018-11-18 14:22:45,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 121 [2018-11-18 14:22:45,164 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,219 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 54 treesize of output 53 [2018-11-18 14:22:45,220 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,241 INFO L267 ElimStorePlain]: Start of recursive call 16: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,252 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,254 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,257 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:45,261 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 176 treesize of output 147 [2018-11-18 14:22:45,264 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 27 treesize of output 19 [2018-11-18 14:22:45,264 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,284 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,316 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 231 [2018-11-18 14:22:45,316 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 14:22:45,324 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 150 treesize of output 149 [2018-11-18 14:22:45,324 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,440 INFO L267 ElimStorePlain]: Start of recursive call 21: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,453 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,455 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,459 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:45,461 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 120 treesize of output 119 [2018-11-18 14:22:45,463 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 23 treesize of output 15 [2018-11-18 14:22:45,463 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,482 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,485 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:45,488 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 37 treesize of output 65 [2018-11-18 14:22:45,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-11-18 14:22:45,490 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,497 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,509 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,514 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:45,516 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 108 treesize of output 111 [2018-11-18 14:22:45,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 11 [2018-11-18 14:22:45,518 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,538 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:45,543 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 37 treesize of output 56 [2018-11-18 14:22:45,545 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 23 treesize of output 15 [2018-11-18 14:22:45,546 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,554 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,566 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,645 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 14:22:45,646 INFO L202 ElimStorePlain]: Needed 30 recursive calls to eliminate 2 variables, input treesize:227, output treesize:548 [2018-11-18 14:22:45,816 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2018-11-18 14:22:45,822 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:45,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 184 [2018-11-18 14:22:45,839 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 177 treesize of output 176 [2018-11-18 14:22:45,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,873 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,973 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:45,975 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 100 treesize of output 106 [2018-11-18 14:22:45,977 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:45,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-11-18 14:22:45,979 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:45,994 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:46,079 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:46,081 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 125 treesize of output 127 [2018-11-18 14:22:46,084 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:46,084 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 23 [2018-11-18 14:22:46,084 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:46,098 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:46,173 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:46,178 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 104 treesize of output 129 [2018-11-18 14:22:46,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-11-18 14:22:46,180 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:46,198 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:46,266 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 4 xjuncts. [2018-11-18 14:22:46,267 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:458, output treesize:446 [2018-11-18 14:22:46,385 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:46,387 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:46,389 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:46,396 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:46,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 293 treesize of output 282 [2018-11-18 14:22:46,425 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 31 treesize of output 23 [2018-11-18 14:22:46,426 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:46,470 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:46,471 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:46,476 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:46,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 64 treesize of output 225 [2018-11-18 14:22:46,530 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-18 14:22:46,573 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-18 14:22:46,573 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:47,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2018-11-18 14:22:47,478 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:47,558 INFO L267 ElimStorePlain]: Start of recursive call 4: 16 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:47,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:49,157 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:49,163 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:49,178 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 157 treesize of output 179 [2018-11-18 14:22:49,185 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 27 treesize of output 19 [2018-11-18 14:22:49,185 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:49,221 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:49,257 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 147 [2018-11-18 14:22:49,257 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 14:22:49,263 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-18 14:22:49,264 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:49,496 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 42 treesize of output 41 [2018-11-18 14:22:49,496 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:49,532 INFO L267 ElimStorePlain]: Start of recursive call 9: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:49,554 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:50,720 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:50,728 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:50,729 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 227 treesize of output 198 [2018-11-18 14:22:50,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:22:50,732 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:50,783 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:50,819 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 147 [2018-11-18 14:22:50,819 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 14:22:50,826 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 91 treesize of output 85 [2018-11-18 14:22:50,826 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:51,120 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 42 treesize of output 41 [2018-11-18 14:22:51,120 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:51,135 INFO L267 ElimStorePlain]: Start of recursive call 14: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:51,152 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:22:51,778 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:51,781 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:51,784 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:51,788 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:51,794 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:51,813 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 225 treesize of output 196 [2018-11-18 14:22:51,834 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 200 treesize of output 271 [2018-11-18 14:22:51,835 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 14:22:52,236 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 155 treesize of output 132 [2018-11-18 14:22:52,236 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:52,496 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 0 case distinctions, treesize of input 207 treesize of output 201 [2018-11-18 14:22:52,496 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:52,762 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:52,764 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:52,770 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:52,772 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:52,774 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:52,805 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 129 treesize of output 178 [2018-11-18 14:22:52,805 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 14:22:52,843 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 188 treesize of output 185 [2018-11-18 14:22:52,843 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:53,135 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:53,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 89 [2018-11-18 14:22:53,137 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:53,464 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:53,465 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 97 treesize of output 90 [2018-11-18 14:22:53,465 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:53,571 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:22:53,572 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:53,573 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 117 treesize of output 117 [2018-11-18 14:22:53,574 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:53,652 INFO L267 ElimStorePlain]: Start of recursive call 21: 6 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-18 14:22:53,994 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:53,995 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:53,998 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:54,006 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:54,008 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:54,012 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:54,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 201 treesize of output 225 [2018-11-18 14:22:54,044 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-18 14:22:54,097 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-18 14:22:54,097 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:54,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 125 [2018-11-18 14:22:54,900 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:55,191 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 182 treesize of output 181 [2018-11-18 14:22:55,192 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:55,409 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 145 [2018-11-18 14:22:55,410 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:55,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 132 [2018-11-18 14:22:55,617 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:55,823 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 192 treesize of output 186 [2018-11-18 14:22:55,823 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:55,978 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-0 vars, 7 dim-1 vars, End of recursive call: 3 dim-0 vars, and 6 xjuncts. [2018-11-18 14:22:56,450 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:56,451 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:56,454 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:56,462 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:56,463 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:56,465 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:56,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 203 treesize of output 213 [2018-11-18 14:22:56,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 14:22:56,579 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 243 treesize of output 247 [2018-11-18 14:22:56,587 INFO L267 ElimStorePlain]: Start of recursive call 34: 16 dim-0 vars, End of recursive call: 16 dim-0 vars, and 9 xjuncts. [2018-11-18 14:22:58,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 171 [2018-11-18 14:22:58,458 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-18 14:22:59,133 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:22:59,134 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 123 [2018-11-18 14:22:59,135 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:22:59,977 INFO L267 ElimStorePlain]: Start of recursive call 33: 4 dim-1 vars, End of recursive call: 17 dim-0 vars, and 11 xjuncts. [2018-11-18 14:23:00,971 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:00,978 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:00,981 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:01,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 146 treesize of output 156 [2018-11-18 14:23:01,011 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 180 treesize of output 178 [2018-11-18 14:23:01,011 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:01,120 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:01,121 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 97 [2018-11-18 14:23:01,122 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:01,186 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 14:23:02,086 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:02,087 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:02,092 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:02,098 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:02,099 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:02,101 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:02,106 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:02,108 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:02,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 195 treesize of output 235 [2018-11-18 14:23:02,146 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-18 14:23:02,188 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 346 treesize of output 343 [2018-11-18 14:23:02,188 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:02,485 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:02,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 123 [2018-11-18 14:23:02,487 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:02,593 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:02,594 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 151 [2018-11-18 14:23:02,594 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:02,688 INFO L267 ElimStorePlain]: Start of recursive call 40: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-18 14:23:03,638 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, 5 dim-2 vars, End of recursive call: 23 dim-0 vars, and 22 xjuncts. [2018-11-18 14:23:06,480 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:06,484 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:06,487 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 137 treesize of output 138 [2018-11-18 14:23:06,490 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 [2018-11-18 14:23:06,490 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:06,515 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:06,522 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:06,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 90 treesize of output 131 [2018-11-18 14:23:06,548 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 14:23:06,556 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 127 treesize of output 126 [2018-11-18 14:23:06,557 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:06,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 68 [2018-11-18 14:23:06,681 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:06,744 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 70 [2018-11-18 14:23:06,744 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:06,795 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 66 [2018-11-18 14:23:06,796 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:06,880 INFO L267 ElimStorePlain]: Start of recursive call 46: 5 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-18 14:23:06,931 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-18 14:23:09,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 155 [2018-11-18 14:23:09,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 11 [2018-11-18 14:23:09,215 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:09,254 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:09,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 115 treesize of output 158 [2018-11-18 14:23:09,301 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 14:23:09,316 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 141 treesize of output 122 [2018-11-18 14:23:09,316 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:10,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 111 [2018-11-18 14:23:10,753 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:10,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 110 [2018-11-18 14:23:10,969 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:11,089 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 91 treesize of output 98 [2018-11-18 14:23:11,089 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:11,241 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-0 vars, 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 14:23:11,320 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-18 14:23:14,503 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:14,507 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:14,510 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 126 treesize of output 113 [2018-11-18 14:23:14,511 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 23 treesize of output 15 [2018-11-18 14:23:14,512 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,533 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:14,535 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:14,538 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 37 treesize of output 65 [2018-11-18 14:23:14,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-11-18 14:23:14,540 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,547 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,560 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,562 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:14,566 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:14,568 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 138 treesize of output 133 [2018-11-18 14:23:14,570 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 23 treesize of output 15 [2018-11-18 14:23:14,570 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:14,594 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:14,598 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 37 treesize of output 56 [2018-11-18 14:23:14,600 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 23 treesize of output 15 [2018-11-18 14:23:14,601 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,608 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,623 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,625 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:14,631 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:14,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 137 [2018-11-18 14:23:14,636 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 23 treesize of output 15 [2018-11-18 14:23:14,636 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,664 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:14,699 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 37 treesize of output 163 [2018-11-18 14:23:14,699 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 14:23:14,704 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-18 14:23:14,705 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,907 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 42 treesize of output 41 [2018-11-18 14:23:14,907 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,935 INFO L267 ElimStorePlain]: Start of recursive call 68: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,952 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,954 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:14,959 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:14,960 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 126 treesize of output 121 [2018-11-18 14:23:14,962 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 23 treesize of output 15 [2018-11-18 14:23:14,963 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,983 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:14,986 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:14,989 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 37 treesize of output 65 [2018-11-18 14:23:14,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-11-18 14:23:14,991 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:14,998 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:15,012 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:16,513 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:16,515 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:16,520 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 0 case distinctions, treesize of input 175 treesize of output 139 [2018-11-18 14:23:16,523 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 15 [2018-11-18 14:23:16,523 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:16,561 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:16,567 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:16,593 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 6 new quantified variables, introduced 9 case distinctions, treesize of input 107 treesize of output 135 [2018-11-18 14:23:16,593 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 14:23:16,603 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 148 treesize of output 147 [2018-11-18 14:23:16,603 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:16,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 73 [2018-11-18 14:23:16,771 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:16,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 62 [2018-11-18 14:23:16,935 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:17,244 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 90 treesize of output 87 [2018-11-18 14:23:17,244 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:17,312 INFO L267 ElimStorePlain]: Start of recursive call 77: 8 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 14:23:17,381 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 14:23:18,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 8 dim-2 vars, End of recursive call: 30 dim-0 vars, and 29 xjuncts. [2018-11-18 14:23:18,692 INFO L202 ElimStorePlain]: Needed 81 recursive calls to eliminate 10 variables, input treesize:856, output treesize:3690 [2018-11-18 14:23:19,421 WARN L180 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 190 [2018-11-18 14:23:19,432 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:19,453 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 6 case distinctions, treesize of input 135 treesize of output 174 [2018-11-18 14:23:19,456 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 160 treesize of output 159 [2018-11-18 14:23:19,456 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:19,530 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 14:23:20,192 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:20,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 112 [2018-11-18 14:23:20,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 15 [2018-11-18 14:23:20,196 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:20,207 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:20,696 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:20,700 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:20,701 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 115 treesize of output 122 [2018-11-18 14:23:20,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 11 [2018-11-18 14:23:20,703 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:20,718 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:21,091 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:21,092 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 108 treesize of output 95 [2018-11-18 14:23:21,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 11 [2018-11-18 14:23:21,095 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:21,107 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:21,393 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:21,398 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 96 treesize of output 109 [2018-11-18 14:23:21,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-11-18 14:23:21,400 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:21,414 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:21,662 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:21,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 156 treesize of output 188 [2018-11-18 14:23:21,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 180 [2018-11-18 14:23:21,679 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:21,719 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 14:23:21,942 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:21,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 210 treesize of output 312 [2018-11-18 14:23:21,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 290 [2018-11-18 14:23:21,985 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:22,090 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 14:23:22,288 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:22,322 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 134 treesize of output 220 [2018-11-18 14:23:22,325 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 199 treesize of output 198 [2018-11-18 14:23:22,326 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:22,439 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 14:23:22,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 8 dim-2 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-11-18 14:23:22,656 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 13 variables, input treesize:1088, output treesize:1105 [2018-11-18 14:23:22,985 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 144 [2018-11-18 14:23:23,171 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-11-18 14:23:23,893 WARN L180 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 153 [2018-11-18 14:23:24,052 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-11-18 14:23:24,062 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,063 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,063 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,064 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,065 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 100 [2018-11-18 14:23:24,071 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 [2018-11-18 14:23:24,071 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:24,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 29 [2018-11-18 14:23:24,105 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:24,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2018-11-18 14:23:24,120 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:24,131 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:24,217 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,219 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,220 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,222 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,225 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,228 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,231 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,234 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:24,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 189 treesize of output 204 [2018-11-18 14:23:24,275 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 177 [2018-11-18 14:23:24,276 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-18 14:23:24,637 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 159 treesize of output 144 [2018-11-18 14:23:24,637 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:24,941 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 1 case distinctions, treesize of input 155 treesize of output 146 [2018-11-18 14:23:24,942 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-18 14:23:24,944 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 149 treesize of output 134 [2018-11-18 14:23:24,945 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:25,246 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 144 treesize of output 127 [2018-11-18 14:23:25,247 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:25,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 156 [2018-11-18 14:23:25,531 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:25,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 117 [2018-11-18 14:23:25,807 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:26,087 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 117 treesize of output 107 [2018-11-18 14:23:26,087 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:26,376 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 156 treesize of output 144 [2018-11-18 14:23:26,377 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:26,656 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 144 treesize of output 132 [2018-11-18 14:23:26,657 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:26,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 68 [2018-11-18 14:23:26,932 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:27,212 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 132 treesize of output 120 [2018-11-18 14:23:27,213 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:27,493 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 161 treesize of output 146 [2018-11-18 14:23:27,494 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:27,766 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 146 treesize of output 134 [2018-11-18 14:23:27,767 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:28,035 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 134 treesize of output 117 [2018-11-18 14:23:28,036 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:28,310 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 117 treesize of output 107 [2018-11-18 14:23:28,310 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:28,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 115 [2018-11-18 14:23:28,578 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:28,871 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 134 treesize of output 119 [2018-11-18 14:23:28,871 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:28,874 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 134 treesize of output 119 [2018-11-18 14:23:28,875 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:29,124 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 119 treesize of output 107 [2018-11-18 14:23:29,125 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:29,127 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 119 treesize of output 107 [2018-11-18 14:23:29,128 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:29,366 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 113 treesize of output 105 [2018-11-18 14:23:29,367 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:29,601 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 119 treesize of output 106 [2018-11-18 14:23:29,601 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:29,831 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 105 treesize of output 90 [2018-11-18 14:23:29,832 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:30,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 77 [2018-11-18 14:23:30,085 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:30,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 100 [2018-11-18 14:23:30,316 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:30,534 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 100 treesize of output 85 [2018-11-18 14:23:30,534 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:30,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 77 [2018-11-18 14:23:30,749 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:30,964 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 55 [2018-11-18 14:23:30,964 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,098 INFO L267 ElimStorePlain]: Start of recursive call 6: 28 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-18 14:23:31,209 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 55 treesize of output 47 [2018-11-18 14:23:31,211 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 [2018-11-18 14:23:31,212 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,218 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 103 [2018-11-18 14:23:31,230 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 [2018-11-18 14:23:31,230 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,248 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2018-11-18 14:23:31,343 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 [2018-11-18 14:23:31,344 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,351 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,436 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:31,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:31,439 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:31,440 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:31,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 94 [2018-11-18 14:23:31,453 INFO L477 Elim1Store]: Elim1 applied some 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 14 treesize of output 37 [2018-11-18 14:23:31,454 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,469 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 [2018-11-18 14:23:31,469 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,482 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 42 treesize of output 27 [2018-11-18 14:23:31,482 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,492 INFO L267 ElimStorePlain]: Start of recursive call 42: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2018-11-18 14:23:31,590 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 [2018-11-18 14:23:31,590 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,598 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,680 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:31,682 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:31,683 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:31,685 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:31,686 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:31,688 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:31,689 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:31,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 159 treesize of output 149 [2018-11-18 14:23:31,701 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 129 [2018-11-18 14:23:31,703 INFO L267 ElimStorePlain]: Start of recursive call 49: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-18 14:23:31,787 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 127 treesize of output 117 [2018-11-18 14:23:31,787 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:31,860 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 111 treesize of output 98 [2018-11-18 14:23:31,860 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-11-18 14:23:31,864 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:31,937 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 117 treesize of output 107 [2018-11-18 14:23:31,937 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:32,008 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 107 treesize of output 102 [2018-11-18 14:23:32,008 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,081 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 1 case distinctions, treesize of input 98 treesize of output 89 [2018-11-18 14:23:32,082 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2018-11-18 14:23:32,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 77 [2018-11-18 14:23:32,085 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 85 [2018-11-18 14:23:32,151 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,213 INFO L267 ElimStorePlain]: Start of recursive call 48: 7 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-11-18 14:23:32,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 75 [2018-11-18 14:23:32,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2018-11-18 14:23:32,346 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,370 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 52 treesize of output 45 [2018-11-18 14:23:32,371 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,387 INFO L267 ElimStorePlain]: Start of recursive call 58: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,391 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 75 [2018-11-18 14:23:32,394 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 [2018-11-18 14:23:32,394 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,404 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 75 [2018-11-18 14:23:32,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2018-11-18 14:23:32,414 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,437 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,529 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:32,530 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:32,531 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:32,532 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:32,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 109 [2018-11-18 14:23:32,544 INFO L477 Elim1Store]: Elim1 applied some 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 65 [2018-11-18 14:23:32,546 INFO L267 ElimStorePlain]: Start of recursive call 66: 10 dim-0 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-11-18 14:23:32,572 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 [2018-11-18 14:23:32,572 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,585 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 40 treesize of output 30 [2018-11-18 14:23:32,585 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:32,596 INFO L267 ElimStorePlain]: Start of recursive call 65: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:32,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 58 [2018-11-18 14:23:32,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:23:32,688 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,695 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 10 dim-2 vars, End of recursive call: 11 dim-0 vars, and 8 xjuncts. [2018-11-18 14:23:32,776 INFO L202 ElimStorePlain]: Needed 70 recursive calls to eliminate 16 variables, input treesize:690, output treesize:283 [2018-11-18 14:23:32,833 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 22 treesize of output 20 [2018-11-18 14:23:32,835 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 [2018-11-18 14:23:32,835 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,836 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,839 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:32,839 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:3 [2018-11-18 14:23:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:23:32,898 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:23:32,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2018-11-18 14:23:32,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-18 14:23:32,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-18 14:23:32,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=684, Unknown=0, NotChecked=0, Total=812 [2018-11-18 14:23:32,899 INFO L87 Difference]: Start difference. First operand 296 states and 357 transitions. Second operand 29 states. [2018-11-18 14:23:34,107 WARN L180 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 243 [2018-11-18 14:23:34,264 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 87 [2018-11-18 14:23:34,983 WARN L180 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2018-11-18 14:23:35,252 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 135 [2018-11-18 14:23:36,282 WARN L180 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 264 [2018-11-18 14:23:36,537 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 116 [2018-11-18 14:23:37,222 WARN L180 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 239 [2018-11-18 14:23:37,885 WARN L180 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 166 [2018-11-18 14:23:38,416 WARN L180 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 168 [2018-11-18 14:23:39,121 WARN L180 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 169 [2018-11-18 14:23:39,505 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2018-11-18 14:23:39,725 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-11-18 14:23:40,071 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-11-18 14:23:40,384 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-11-18 14:23:40,636 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-11-18 14:23:40,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:23:40,712 INFO L93 Difference]: Finished difference Result 474 states and 567 transitions. [2018-11-18 14:23:40,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-18 14:23:40,712 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 45 [2018-11-18 14:23:40,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:23:40,713 INFO L225 Difference]: With dead ends: 474 [2018-11-18 14:23:40,713 INFO L226 Difference]: Without dead ends: 472 [2018-11-18 14:23:40,714 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1506 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=573, Invalid=3983, Unknown=0, NotChecked=0, Total=4556 [2018-11-18 14:23:40,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-11-18 14:23:40,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 308. [2018-11-18 14:23:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-11-18 14:23:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 372 transitions. [2018-11-18 14:23:40,759 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 372 transitions. Word has length 45 [2018-11-18 14:23:40,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:23:40,759 INFO L480 AbstractCegarLoop]: Abstraction has 308 states and 372 transitions. [2018-11-18 14:23:40,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-18 14:23:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 372 transitions. [2018-11-18 14:23:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 14:23:40,760 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:23:40,760 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-11-18 14:23:40,760 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:23:40,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:23:40,760 INFO L82 PathProgramCache]: Analyzing trace with hash -837672392, now seen corresponding path program 1 times [2018-11-18 14:23:40,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:23:40,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:23:40,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:23:40,761 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:23:40,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:23:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:23:40,939 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:23:40,939 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:23:40,939 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:23:40,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:23:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:23:40,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:23:40,964 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 [2018-11-18 14:23:40,964 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:40,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:40,967 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 14:23:40,979 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:40,981 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:40,981 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 [2018-11-18 14:23:40,981 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:40,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:23:40,997 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 [2018-11-18 14:23:40,997 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:23:41,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 11 [2018-11-18 14:23:41,007 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,017 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,020 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:23:41,032 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 [2018-11-18 14:23:41,032 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:23:41,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 11 [2018-11-18 14:23:41,039 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,043 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,045 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,053 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:74, output treesize:54 [2018-11-18 14:23:41,074 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:41,076 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:41,078 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:41,079 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 [2018-11-18 14:23:41,079 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,111 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 122 [2018-11-18 14:23:41,114 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 26 treesize of output 23 [2018-11-18 14:23:41,114 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 113 [2018-11-18 14:23:41,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 14:23:41,133 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,143 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,152 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,166 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:41,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 67 [2018-11-18 14:23:41,168 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 26 treesize of output 23 [2018-11-18 14:23:41,168 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,179 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 49 treesize of output 66 [2018-11-18 14:23:41,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 14:23:41,180 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,187 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,191 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,199 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:41,199 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:167, output treesize:105 [2018-11-18 14:23:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:23:41,308 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:23:41,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 19 [2018-11-18 14:23:41,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 14:23:41,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 14:23:41,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:23:41,308 INFO L87 Difference]: Start difference. First operand 308 states and 372 transitions. Second operand 19 states. [2018-11-18 14:23:42,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:23:42,769 INFO L93 Difference]: Finished difference Result 479 states and 561 transitions. [2018-11-18 14:23:42,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-18 14:23:42,769 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 46 [2018-11-18 14:23:42,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:23:42,770 INFO L225 Difference]: With dead ends: 479 [2018-11-18 14:23:42,770 INFO L226 Difference]: Without dead ends: 408 [2018-11-18 14:23:42,770 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=339, Invalid=2210, Unknown=1, NotChecked=0, Total=2550 [2018-11-18 14:23:42,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-11-18 14:23:42,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 319. [2018-11-18 14:23:42,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-11-18 14:23:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 382 transitions. [2018-11-18 14:23:42,811 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 382 transitions. Word has length 46 [2018-11-18 14:23:42,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:23:42,811 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 382 transitions. [2018-11-18 14:23:42,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 14:23:42,811 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 382 transitions. [2018-11-18 14:23:42,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 14:23:42,812 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:23:42,812 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] [2018-11-18 14:23:42,812 INFO L423 AbstractCegarLoop]: === Iteration 26 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:23:42,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:23:42,812 INFO L82 PathProgramCache]: Analyzing trace with hash -640099418, now seen corresponding path program 1 times [2018-11-18 14:23:42,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:23:42,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:23:42,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:23:42,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:23:42,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:23:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:23:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:23:42,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:23:42,954 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:23:42,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:23:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:23:42,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:23:42,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 14:23:42,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 14:23:42,994 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:42,996 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,003 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-11-18 14:23:43,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 39 [2018-11-18 14:23:43,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-11-18 14:23:43,029 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,058 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 [2018-11-18 14:23:43,058 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2018-11-18 14:23:43,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 22 [2018-11-18 14:23:43,095 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-18 14:23:43,101 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 33 [2018-11-18 14:23:43,134 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 12 [2018-11-18 14:23:43,134 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 22 [2018-11-18 14:23:43,154 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-18 14:23:43,160 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,167 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 51 [2018-11-18 14:23:43,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 41 [2018-11-18 14:23:43,186 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-18 14:23:43,206 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2018-11-18 14:23:43,229 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 0 case distinctions, treesize of input 22 treesize of output 7 [2018-11-18 14:23:43,229 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,232 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 46 [2018-11-18 14:23:43,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 44 [2018-11-18 14:23:43,264 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-11-18 14:23:43,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 29 [2018-11-18 14:23:43,287 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-11-18 14:23:43,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 30 [2018-11-18 14:23:43,305 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,312 INFO L267 ElimStorePlain]: Start of recursive call 15: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 14:23:43,320 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,323 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,324 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 3 variables, input treesize:78, output treesize:19 [2018-11-18 14:23:43,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-11-18 14:23:43,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-18 14:23:43,337 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,338 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,342 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 [2018-11-18 14:23:43,343 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 [2018-11-18 14:23:43,343 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,344 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:43,349 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:35, output treesize:13 [2018-11-18 14:23:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:23:43,375 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:23:43,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2018-11-18 14:23:43,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 14:23:43,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 14:23:43,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:23:43,376 INFO L87 Difference]: Start difference. First operand 319 states and 382 transitions. Second operand 13 states. [2018-11-18 14:23:43,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:23:43,552 INFO L93 Difference]: Finished difference Result 416 states and 486 transitions. [2018-11-18 14:23:43,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 14:23:43,552 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2018-11-18 14:23:43,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:23:43,553 INFO L225 Difference]: With dead ends: 416 [2018-11-18 14:23:43,553 INFO L226 Difference]: Without dead ends: 383 [2018-11-18 14:23:43,553 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2018-11-18 14:23:43,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-11-18 14:23:43,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 348. [2018-11-18 14:23:43,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2018-11-18 14:23:43,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 415 transitions. [2018-11-18 14:23:43,597 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 415 transitions. Word has length 48 [2018-11-18 14:23:43,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:23:43,597 INFO L480 AbstractCegarLoop]: Abstraction has 348 states and 415 transitions. [2018-11-18 14:23:43,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 14:23:43,598 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 415 transitions. [2018-11-18 14:23:43,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 14:23:43,598 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:23:43,598 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:23:43,598 INFO L423 AbstractCegarLoop]: === Iteration 27 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:23:43,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:23:43,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1598137749, now seen corresponding path program 4 times [2018-11-18 14:23:43,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:23:43,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:23:43,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:23:43,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:23:43,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:23:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:23:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:23:44,047 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:23:44,047 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:23:44,053 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 14:23:44,077 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 14:23:44,077 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 14:23:44,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:23:44,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 14:23:44,081 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,085 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-11-18 14:23:44,089 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,090 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,090 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 [2018-11-18 14:23:44,091 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:23:44,109 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 [2018-11-18 14:23:44,109 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:23:44,124 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 [2018-11-18 14:23:44,124 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,128 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,131 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:23:44,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-11-18 14:23:44,144 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:23:44,151 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 [2018-11-18 14:23:44,152 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,155 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,157 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,165 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,166 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:77, output treesize:49 [2018-11-18 14:23:44,192 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,193 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,194 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,194 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 [2018-11-18 14:23:44,195 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,228 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,230 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 120 [2018-11-18 14:23:44,233 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 24 [2018-11-18 14:23:44,233 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,247 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,251 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,254 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 94 treesize of output 114 [2018-11-18 14:23:44,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 14:23:44,256 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,267 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,276 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,294 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,296 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:44,297 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 62 treesize of output 49 [2018-11-18 14:23:44,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 15 [2018-11-18 14:23:44,299 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,306 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,310 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 30 treesize of output 55 [2018-11-18 14:23:44,312 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 [2018-11-18 14:23:44,312 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,317 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,321 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,333 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:155, output treesize:89 [2018-11-18 14:23:44,370 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,377 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,379 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,381 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,382 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-11-18 14:23:44,383 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,418 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,422 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,427 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 174 [2018-11-18 14:23:44,431 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 44 treesize of output 52 [2018-11-18 14:23:44,431 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,457 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,458 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,459 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,466 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,466 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,469 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,472 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 167 [2018-11-18 14:23:44,474 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 [2018-11-18 14:23:44,475 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,494 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,506 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,525 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,526 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,527 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,534 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 93 treesize of output 87 [2018-11-18 14:23:44,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 15 [2018-11-18 14:23:44,537 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,549 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,550 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,550 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,559 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 45 treesize of output 114 [2018-11-18 14:23:44,561 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 31 [2018-11-18 14:23:44,561 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,572 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,577 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,589 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,590 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:230, output treesize:114 [2018-11-18 14:23:44,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2018-11-18 14:23:44,628 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 34 treesize of output 33 [2018-11-18 14:23:44,628 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,643 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:193, output treesize:177 [2018-11-18 14:23:44,816 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,817 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,818 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,819 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:44,819 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,820 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,822 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,823 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 187 [2018-11-18 14:23:44,837 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 90 treesize of output 104 [2018-11-18 14:23:44,840 INFO L267 ElimStorePlain]: Start of recursive call 3: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-11-18 14:23:44,931 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:44,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 116 treesize of output 118 [2018-11-18 14:23:44,937 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 14:23:44,938 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:44,939 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 104 treesize of output 92 [2018-11-18 14:23:44,939 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,942 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:44,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 126 [2018-11-18 14:23:44,947 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-18 14:23:44,948 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:44,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 114 treesize of output 116 [2018-11-18 14:23:44,954 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-18 14:23:44,957 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:44,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 122 [2018-11-18 14:23:44,962 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 14:23:44,964 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:44,965 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:44,967 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 0 case distinctions, treesize of input 124 treesize of output 122 [2018-11-18 14:23:44,967 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:44,969 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:44,969 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 114 treesize of output 102 [2018-11-18 14:23:44,969 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-11-18 14:23:45,126 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,227 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 94 [2018-11-18 14:23:45,228 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-18 14:23:45,234 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 98 [2018-11-18 14:23:45,236 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-18 14:23:45,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 98 [2018-11-18 14:23:45,244 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-18 14:23:45,246 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 95 treesize of output 82 [2018-11-18 14:23:45,247 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:45,255 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 98 [2018-11-18 14:23:45,256 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-18 14:23:45,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 94 [2018-11-18 14:23:45,260 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:45,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 82 [2018-11-18 14:23:45,262 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 14:23:45,468 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 22 dim-0 vars, and 11 xjuncts. [2018-11-18 14:23:45,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 64 [2018-11-18 14:23:45,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-11-18 14:23:45,641 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,652 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 [2018-11-18 14:23:45,652 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,661 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 [2018-11-18 14:23:45,661 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,669 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 [2018-11-18 14:23:45,669 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,675 INFO L267 ElimStorePlain]: Start of recursive call 19: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 62 [2018-11-18 14:23:45,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-11-18 14:23:45,682 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-11-18 14:23:45,692 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,701 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 [2018-11-18 14:23:45,702 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,710 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 [2018-11-18 14:23:45,710 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,716 INFO L267 ElimStorePlain]: Start of recursive call 24: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 62 [2018-11-18 14:23:45,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-18 14:23:45,734 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-11-18 14:23:45,747 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,756 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 [2018-11-18 14:23:45,756 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:23:45,764 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,770 INFO L267 ElimStorePlain]: Start of recursive call 29: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 64 [2018-11-18 14:23:45,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-11-18 14:23:45,777 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,791 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 [2018-11-18 14:23:45,791 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,800 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 [2018-11-18 14:23:45,800 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,808 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 [2018-11-18 14:23:45,808 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,814 INFO L267 ElimStorePlain]: Start of recursive call 34: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 62 [2018-11-18 14:23:45,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-18 14:23:45,820 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,830 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 [2018-11-18 14:23:45,830 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 14:23:45,839 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-18 14:23:45,847 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,853 INFO L267 ElimStorePlain]: Start of recursive call 39: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 62 [2018-11-18 14:23:45,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-18 14:23:45,860 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,870 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 [2018-11-18 14:23:45,871 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 15 [2018-11-18 14:23:45,880 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,888 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 5 treesize of output 1 [2018-11-18 14:23:45,888 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,894 INFO L267 ElimStorePlain]: Start of recursive call 44: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 62 [2018-11-18 14:23:45,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-11-18 14:23:45,901 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,911 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 [2018-11-18 14:23:45,911 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:23:45,920 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-18 14:23:45,928 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,934 INFO L267 ElimStorePlain]: Start of recursive call 49: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 64 [2018-11-18 14:23:45,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:23:45,941 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-11-18 14:23:45,951 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,960 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 [2018-11-18 14:23:45,960 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,968 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 [2018-11-18 14:23:45,968 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,975 INFO L267 ElimStorePlain]: Start of recursive call 54: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 62 [2018-11-18 14:23:45,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-11-18 14:23:45,981 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:45,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:23:45,991 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,000 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 [2018-11-18 14:23:46,000 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-18 14:23:46,008 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,014 INFO L267 ElimStorePlain]: Start of recursive call 59: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,019 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2018-11-18 14:23:46,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-18 14:23:46,021 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:23:46,032 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 15 [2018-11-18 14:23:46,041 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:23:46,050 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,056 INFO L267 ElimStorePlain]: Start of recursive call 64: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 64 [2018-11-18 14:23:46,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-18 14:23:46,062 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-18 14:23:46,073 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,082 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 [2018-11-18 14:23:46,082 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-18 14:23:46,091 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,097 INFO L267 ElimStorePlain]: Start of recursive call 69: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,174 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,174 INFO L202 ElimStorePlain]: Needed 73 recursive calls to eliminate 3 variables, input treesize:236, output treesize:9 [2018-11-18 14:23:46,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-18 14:23:46,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-18 14:23:46,195 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,195 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,196 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:46,196 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-11-18 14:23:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:23:46,235 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:23:46,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 25 [2018-11-18 14:23:46,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-18 14:23:46,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-18 14:23:46,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2018-11-18 14:23:46,236 INFO L87 Difference]: Start difference. First operand 348 states and 415 transitions. Second operand 25 states. [2018-11-18 14:23:47,770 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 96 [2018-11-18 14:23:48,104 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 103 [2018-11-18 14:23:49,815 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2018-11-18 14:23:51,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:23:51,825 INFO L93 Difference]: Finished difference Result 570 states and 677 transitions. [2018-11-18 14:23:51,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-11-18 14:23:51,825 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 48 [2018-11-18 14:23:51,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:23:51,826 INFO L225 Difference]: With dead ends: 570 [2018-11-18 14:23:51,826 INFO L226 Difference]: Without dead ends: 568 [2018-11-18 14:23:51,828 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1901 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=742, Invalid=5896, Unknown=4, NotChecked=0, Total=6642 [2018-11-18 14:23:51,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-11-18 14:23:51,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 371. [2018-11-18 14:23:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-11-18 14:23:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 445 transitions. [2018-11-18 14:23:51,880 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 445 transitions. Word has length 48 [2018-11-18 14:23:51,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:23:51,880 INFO L480 AbstractCegarLoop]: Abstraction has 371 states and 445 transitions. [2018-11-18 14:23:51,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-18 14:23:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 445 transitions. [2018-11-18 14:23:51,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 14:23:51,881 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:23:51,881 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 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] [2018-11-18 14:23:51,881 INFO L423 AbstractCegarLoop]: === Iteration 28 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:23:51,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:23:51,881 INFO L82 PathProgramCache]: Analyzing trace with hash 839078166, now seen corresponding path program 5 times [2018-11-18 14:23:51,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:23:51,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:23:51,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:23:51,882 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:23:51,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:23:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:23:52,533 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:23:52,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:23:52,534 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:23:52,547 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-18 14:23:52,611 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2018-11-18 14:23:52,611 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 14:23:52,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:23:52,617 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 [2018-11-18 14:23:52,617 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,622 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,623 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-11-18 14:23:52,629 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,630 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,631 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 [2018-11-18 14:23:52,631 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:23:52,649 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 [2018-11-18 14:23:52,650 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-18 14:23:52,659 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 [2018-11-18 14:23:52,659 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,664 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,667 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 14:23:52,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 14:23:52,680 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-11-18 14:23:52,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 14:23:52,688 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,691 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,693 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,702 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,702 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:77, output treesize:53 [2018-11-18 14:23:52,730 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,732 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,734 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,734 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 [2018-11-18 14:23:52,734 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,776 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,778 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 120 [2018-11-18 14:23:52,782 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 24 [2018-11-18 14:23:52,782 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,797 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,801 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,804 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 94 treesize of output 114 [2018-11-18 14:23:52,806 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 [2018-11-18 14:23:52,806 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,817 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,825 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,842 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,844 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:52,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 49 [2018-11-18 14:23:52,846 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 23 treesize of output 15 [2018-11-18 14:23:52,846 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,853 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,857 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 30 treesize of output 55 [2018-11-18 14:23:52,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-11-18 14:23:52,859 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,865 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,868 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,880 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,880 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:155, output treesize:89 [2018-11-18 14:23:52,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 18 [2018-11-18 14:23:52,915 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 [2018-11-18 14:23:52,915 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,919 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,935 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:52,935 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:102, output treesize:106 [2018-11-18 14:23:52,976 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,977 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,978 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,980 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,981 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:52,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 103 [2018-11-18 14:23:52,981 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,025 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,026 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,029 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,031 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 203 [2018-11-18 14:23:53,037 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 44 treesize of output 52 [2018-11-18 14:23:53,037 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,071 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,072 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,073 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,080 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,081 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,084 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,087 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 196 [2018-11-18 14:23:53,090 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 [2018-11-18 14:23:53,090 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,116 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,133 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,162 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,163 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,164 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,168 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:53,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 92 [2018-11-18 14:23:53,173 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 27 treesize of output 19 [2018-11-18 14:23:53,173 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,185 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,186 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,186 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,194 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 45 treesize of output 114 [2018-11-18 14:23:53,196 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 19 [2018-11-18 14:23:53,197 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,207 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,213 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,232 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,233 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:254, output treesize:152 [2018-11-18 14:23:53,277 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 69 [2018-11-18 14:23:53,280 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 42 treesize of output 50 [2018-11-18 14:23:53,280 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,285 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,304 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,304 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:165, output treesize:161 [2018-11-18 14:23:53,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,357 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,359 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,361 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,364 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,366 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,369 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,372 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 137 [2018-11-18 14:23:53,372 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,420 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,422 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,423 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,424 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,430 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 14:23:53,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 171 [2018-11-18 14:23:53,441 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 31 treesize of output 23 [2018-11-18 14:23:53,442 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,460 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,461 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,462 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,463 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 197 [2018-11-18 14:23:53,483 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 [2018-11-18 14:23:53,483 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,500 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,508 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,538 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,539 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,540 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,541 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,546 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,547 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,548 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,549 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,550 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,551 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 236 [2018-11-18 14:23:53,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 92 [2018-11-18 14:23:53,555 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,585 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,586 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,588 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,589 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,594 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,594 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,595 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,597 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,598 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,599 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 228 [2018-11-18 14:23:53,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 14:23:53,604 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,630 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,642 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,659 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,659 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:347, output treesize:166 [2018-11-18 14:23:53,712 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,715 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 14:23:53,717 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 188 [2018-11-18 14:23:53,719 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 42 treesize of output 56 [2018-11-18 14:23:53,719 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,727 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,744 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 14:23:53,744 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:283, output treesize:235 [2018-11-18 14:23:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:23:54,172 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:23:54,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2018-11-18 14:23:54,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-18 14:23:54,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-18 14:23:54,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2018-11-18 14:23:54,173 INFO L87 Difference]: Start difference. First operand 371 states and 445 transitions. Second operand 29 states. [2018-11-18 14:23:55,313 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 65 [2018-11-18 14:23:55,461 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2018-11-18 14:23:55,694 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 82 [2018-11-18 14:23:55,845 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2018-11-18 14:23:56,509 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 115 [2018-11-18 14:23:56,810 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2018-11-18 14:23:57,205 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 115 [2018-11-18 14:23:57,777 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2018-11-18 14:23:57,900 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2018-11-18 14:23:58,212 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 127 [2018-11-18 14:23:58,461 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 127 [2018-11-18 14:23:58,709 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 83 [2018-11-18 14:23:59,054 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 120 [2018-11-18 14:23:59,393 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2018-11-18 14:23:59,563 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 119 [2018-11-18 14:23:59,798 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 123 [2018-11-18 14:23:59,932 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2018-11-18 14:24:00,343 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2018-11-18 14:24:00,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:24:00,597 INFO L93 Difference]: Finished difference Result 614 states and 722 transitions. [2018-11-18 14:24:00,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-11-18 14:24:00,597 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 49 [2018-11-18 14:24:00,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:24:00,598 INFO L225 Difference]: With dead ends: 614 [2018-11-18 14:24:00,599 INFO L226 Difference]: Without dead ends: 556 [2018-11-18 14:24:00,600 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2117 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=887, Invalid=5755, Unknown=0, NotChecked=0, Total=6642 [2018-11-18 14:24:00,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-11-18 14:24:00,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 394. [2018-11-18 14:24:00,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-11-18 14:24:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 474 transitions. [2018-11-18 14:24:00,658 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 474 transitions. Word has length 49 [2018-11-18 14:24:00,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:24:00,658 INFO L480 AbstractCegarLoop]: Abstraction has 394 states and 474 transitions. [2018-11-18 14:24:00,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-18 14:24:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 474 transitions. [2018-11-18 14:24:00,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 14:24:00,659 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:24:00,659 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:24:00,660 INFO L423 AbstractCegarLoop]: === Iteration 29 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:24:00,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:24:00,660 INFO L82 PathProgramCache]: Analyzing trace with hash 802712472, now seen corresponding path program 1 times [2018-11-18 14:24:00,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:24:00,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:24:00,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:24:00,661 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:24:00,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:24:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:24:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:24:00,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:24:00,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:24:00,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:24:00,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:24:00,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:24:00,705 INFO L87 Difference]: Start difference. First operand 394 states and 474 transitions. Second operand 4 states. [2018-11-18 14:24:00,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:24:00,798 INFO L93 Difference]: Finished difference Result 398 states and 477 transitions. [2018-11-18 14:24:00,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:24:00,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-11-18 14:24:00,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:24:00,801 INFO L225 Difference]: With dead ends: 398 [2018-11-18 14:24:00,801 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 14:24:00,802 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:24:00,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 14:24:00,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-18 14:24:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 14:24:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 459 transitions. [2018-11-18 14:24:00,879 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 459 transitions. Word has length 50 [2018-11-18 14:24:00,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:24:00,879 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 459 transitions. [2018-11-18 14:24:00,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:24:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 459 transitions. [2018-11-18 14:24:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 14:24:00,880 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:24:00,880 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:24:00,880 INFO L423 AbstractCegarLoop]: === Iteration 30 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:24:00,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:24:00,880 INFO L82 PathProgramCache]: Analyzing trace with hash -972294890, now seen corresponding path program 1 times [2018-11-18 14:24:00,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:24:00,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:24:00,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:24:00,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:24:00,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:24:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:24:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:24:00,917 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 14:24:00,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:24:00 BoogieIcfgContainer [2018-11-18 14:24:00,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:24:00,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:24:00,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:24:00,953 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:24:00,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:22:01" (3/4) ... [2018-11-18 14:24:00,961 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 14:24:01,002 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9cfce079-ad1f-471c-9e1e-cded7e5cd1ae/bin-2019/uautomizer/witness.graphml [2018-11-18 14:24:01,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:24:01,003 INFO L168 Benchmark]: Toolchain (without parser) took 120860.26 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 240.6 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -253.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:24:01,004 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:24:01,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -200.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:24:01,004 INFO L168 Benchmark]: Boogie Preprocessor took 49.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:24:01,004 INFO L168 Benchmark]: RCFGBuilder took 672.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:24:01,004 INFO L168 Benchmark]: TraceAbstraction took 119675.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:24:01,004 INFO L168 Benchmark]: Witness Printer took 50.19 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 kB). Peak memory consumption was 2.7 kB. Max. memory is 11.5 GB. [2018-11-18 14:24:01,006 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 408.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -200.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 672.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 119675.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 50.19 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 kB). Peak memory consumption was 2.7 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1051]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] FCALL head->data = 0 [L989] SLL* x = head; [L990] int marked = 0; VAL [head={11:0}, malloc(sizeof(SLL))={11:0}, marked=0, x={11:0}] [L993] COND TRUE __VERIFIER_nondet_int() || !marked [L996] EXPR, FCALL malloc(sizeof(SLL)) [L996] FCALL x->next = malloc(sizeof(SLL)) [L997] EXPR, FCALL x->next [L997] x = x->next [L998] FCALL x->next = ((void*)0) [L1000] COND TRUE __VERIFIER_nondet_int() [L1002] marked = 1 VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, marked=1, x={13:0}] [L1005] COND TRUE \read(marked) [L1006] FCALL x->data = 1 VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, marked=1, x={13:0}] [L993] COND FALSE !(__VERIFIER_nondet_int() || !marked) [L1011] x = head VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, marked=1, x={11:0}] [L1013] COND FALSE !(!(((void*)0) != x)) VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, marked=1, x={11:0}] [L1013] COND FALSE !(0) VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, marked=1, x={11:0}] [L1014] marked = 0 VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, marked=0, x={11:0}] [L1016] EXPR, FCALL x->next [L1016] x->next != ((void*)0) && x->next->data == 0 [L1016] EXPR, FCALL x->next [L1016] EXPR, FCALL x->next->data [L1016] x->next != ((void*)0) && x->next->data == 0 VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, marked=0, x={11:0}, x->next={13:0}, x->next={13:0}, x->next != ((void*)0) && x->next->data == 0=0, x->next->data=1] [L1016] COND FALSE !(x->next != ((void*)0) && x->next->data == 0) [L1021] EXPR, FCALL x->next [L1021] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1021] x->next != ((void*)0) && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, marked=0, x={11:0}, x->next={13:0}, x->next != ((void*)0) && __VERIFIER_nondet_int()=0] [L1021] COND FALSE !(x->next != ((void*)0) && __VERIFIER_nondet_int()) [L1027] EXPR, FCALL malloc(sizeof(SLL)) [L1027] SLL* tmp = malloc(sizeof(SLL)); [L1028] FCALL tmp->data = 1 [L1029] FCALL tmp->next = ((void*)0) [L1030] EXPR, FCALL x->next VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, marked=0, tmp={10:0}, x={11:0}, x->next={13:0}] [L1030] COND FALSE !(x->next == ((void*)0)) [L1034] EXPR, FCALL x->next [L1034] FCALL tmp->next = x->next [L1035] FCALL x->next = tmp VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, marked=0, tmp={10:0}, x={11:0}] [L1038] marked = 0 [L1039] x = head VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, marked=0, tmp={10:0}, x={11:0}] [L1041] x != ((void*)0) && x->data != 1 [L1041] EXPR, FCALL x->data [L1041] x != ((void*)0) && x->data != 1 VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, marked=0, tmp={10:0}, x={11:0}, x != ((void*)0) && x->data != 1=1, x->data=0] [L1041] COND TRUE x != ((void*)0) && x->data != 1 [L1043] EXPR, FCALL x->data [L1043] marked = x->data [L1044] EXPR, FCALL x->data VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, marked=0, tmp={10:0}, x={11:0}, x->data=0] [L1044] COND FALSE !(!(x->data == 0)) [L1044] COND FALSE !(0) VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, marked=0, tmp={10:0}, x={11:0}] [L1045] COND FALSE !(!(marked == 0)) VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, marked=0, tmp={10:0}, x={11:0}] [L1045] COND FALSE !(0) VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, marked=0, tmp={10:0}, x={11:0}] [L1046] EXPR, FCALL x->next [L1046] x = x->next [L1041] x != ((void*)0) && x->data != 1 [L1041] EXPR, FCALL x->data [L1041] x != ((void*)0) && x->data != 1 VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, marked=0, tmp={10:0}, x={10:0}, x != ((void*)0) && x->data != 1=0, x->data=1] [L1041] COND FALSE !(x != ((void*)0) && x->data != 1) [L1048] COND TRUE x != ((void*)0) [L1050] EXPR, FCALL x->data [L1050] marked = x->data [L1051] EXPR, FCALL x->data VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, marked=1, tmp={10:0}, x={10:0}, x->data=1] [L1051] COND TRUE !(x->data != 1) [L1051] __VERIFIER_error() VAL [head={11:0}, malloc(sizeof(SLL))={13:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, marked=1, tmp={10:0}, x={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 70 locations, 6 error locations. UNSAFE Result, 119.6s OverallTime, 30 OverallIterations, 5 TraceHistogramMax, 46.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2075 SDtfs, 7325 SDslu, 15569 SDs, 0 SdLazy, 12199 SolverSat, 1899 SolverUnsat, 18 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1461 GetRequests, 626 SyntacticMatches, 29 SemanticMatches, 806 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12595 ImplicationChecksByTransitivity, 45.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=394occurred in iteration=28, 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: 0.6s AutomataMinimizationTime, 29 MinimizatonAttempts, 1942 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 70.9s InterpolantComputationTime, 1845 NumberOfCodeBlocks, 1845 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 1748 ConstructedInterpolants, 215 QuantifiedInterpolants, 3397864 SizeOfPredicates, 317 NumberOfNonLiveVariables, 3055 ConjunctsInSsa, 878 ConjunctsInUnsatCore, 47 InterpolantComputations, 13 PerfectInterpolantSequences, 85/675 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...