./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store (store v_prenex_169 v_subst_9 (_ bv0 32)) (bvadd v_subst_9 (_ bv8 32)) v_DerPreprocessor_34) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:47:57,677 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:47:57,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:47:57,687 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:47:57,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:47:57,688 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:47:57,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:47:57,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:47:57,691 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:47:57,691 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:47:57,692 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:47:57,692 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:47:57,693 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:47:57,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:47:57,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:47:57,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:47:57,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:47:57,697 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:47:57,698 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:47:57,699 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:47:57,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:47:57,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:47:57,702 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:47:57,702 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:47:57,702 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:47:57,703 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:47:57,704 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:47:57,704 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:47:57,705 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:47:57,706 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:47:57,706 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:47:57,706 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:47:57,706 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:47:57,707 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:47:57,707 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:47:57,708 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:47:57,708 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2018-11-23 15:47:57,717 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:47:57,718 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:47:57,718 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:47:57,719 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:47:57,719 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:47:57,719 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:47:57,719 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:47:57,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:47:57,720 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:47:57,720 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 15:47:57,720 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:47:57,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:47:57,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:47:57,720 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 15:47:57,720 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 15:47:57,721 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:47:57,721 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:47:57,721 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:47:57,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:47:57,721 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:47:57,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:47:57,721 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:47:57,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:47:57,722 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:47:57,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:47:57,722 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:47:57,722 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:47:57,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc [2018-11-23 15:47:57,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:47:57,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:47:57,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:47:57,762 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:47:57,762 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:47:57,763 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/../../sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-23 15:47:57,809 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/data/b3b5ab81d/2600b935c1a94105a2230c5d4325771a/FLAG8409dda62 [2018-11-23 15:47:58,196 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:47:58,197 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-23 15:47:58,208 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/data/b3b5ab81d/2600b935c1a94105a2230c5d4325771a/FLAG8409dda62 [2018-11-23 15:47:58,218 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/data/b3b5ab81d/2600b935c1a94105a2230c5d4325771a [2018-11-23 15:47:58,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:47:58,221 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-23 15:47:58,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:47:58,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:47:58,223 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:47:58,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:58" (1/1) ... [2018-11-23 15:47:58,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e1a27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58, skipping insertion in model container [2018-11-23 15:47:58,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:58" (1/1) ... [2018-11-23 15:47:58,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:47:58,260 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:47:58,446 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:47:58,452 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:47:58,522 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:47:58,550 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:47:58,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58 WrapperNode [2018-11-23 15:47:58,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:47:58,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:47:58,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:47:58,551 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:47:58,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 15:47:58,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 15:47:58,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 15:47:58,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 15:47:58,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 15:47:58,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 15:47:58,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... [2018-11-23 15:47:58,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:47:58,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:47:58,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:47:58,594 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:47:58,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:47:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:47:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:47:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:47:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-23 15:47:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-23 15:47:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-23 15:47:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-23 15:47:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-23 15:47:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-23 15:47:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-23 15:47:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-23 15:47:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-23 15:47:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-23 15:47:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-23 15:47:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-23 15:47:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-23 15:47:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-23 15:47:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-23 15:47:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-23 15:47:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-23 15:47:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-23 15:47:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-23 15:47:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-23 15:47:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-23 15:47:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-23 15:47:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-23 15:47:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-23 15:47:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-23 15:47:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-23 15:47:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-23 15:47:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-23 15:47:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-23 15:47:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-23 15:47:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-23 15:47:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-23 15:47:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-23 15:47:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-23 15:47:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-23 15:47:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-23 15:47:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-23 15:47:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-23 15:47:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-23 15:47:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-23 15:47:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-23 15:47:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-23 15:47:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-23 15:47:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-23 15:47:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-23 15:47:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-23 15:47:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-23 15:47:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-23 15:47:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-23 15:47:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-23 15:47:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-23 15:47:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:47:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-23 15:47:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-23 15:47:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-23 15:47:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-23 15:47:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-23 15:47:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-23 15:47:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-23 15:47:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-23 15:47:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-23 15:47:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-23 15:47:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-23 15:47:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-23 15:47:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-23 15:47:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-23 15:47:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-23 15:47:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-23 15:47:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-23 15:47:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-23 15:47:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-23 15:47:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-23 15:47:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-23 15:47:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-23 15:47:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-23 15:47:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-23 15:47:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-23 15:47:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-23 15:47:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-23 15:47:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-23 15:47:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-23 15:47:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-23 15:47:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-23 15:47:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-23 15:47:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-23 15:47:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-23 15:47:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-23 15:47:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-23 15:47:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-23 15:47:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-23 15:47:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-23 15:47:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-23 15:47:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-23 15:47:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:47:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:47:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 15:47:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 15:47:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 15:47:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 15:47:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:47:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:47:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:47:59,102 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:47:59,102 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 15:47:59,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:59 BoogieIcfgContainer [2018-11-23 15:47:59,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:47:59,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:47:59,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:47:59,105 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:47:59,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:47:58" (1/3) ... [2018-11-23 15:47:59,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6862383f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:47:59, skipping insertion in model container [2018-11-23 15:47:59,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:58" (2/3) ... [2018-11-23 15:47:59,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6862383f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:47:59, skipping insertion in model container [2018-11-23 15:47:59,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:59" (3/3) ... [2018-11-23 15:47:59,107 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-23 15:47:59,113 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:47:59,119 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 57 error locations. [2018-11-23 15:47:59,132 INFO L257 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2018-11-23 15:47:59,153 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:47:59,153 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:47:59,153 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-23 15:47:59,153 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:47:59,153 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:47:59,154 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:47:59,154 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:47:59,154 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:47:59,154 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:47:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-11-23 15:47:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 15:47:59,172 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:47:59,172 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:47:59,174 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:47:59,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:47:59,177 INFO L82 PathProgramCache]: Analyzing trace with hash -393144633, now seen corresponding path program 1 times [2018-11-23 15:47:59,178 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:47:59,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:47:59,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:47:59,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:47:59,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:47:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:47:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:47:59,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:47:59,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:47:59,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:47:59,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:47:59,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:47:59,300 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2018-11-23 15:47:59,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:47:59,482 INFO L93 Difference]: Finished difference Result 123 states and 132 transitions. [2018-11-23 15:47:59,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:47:59,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 15:47:59,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:47:59,492 INFO L225 Difference]: With dead ends: 123 [2018-11-23 15:47:59,492 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 15:47:59,493 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:47:59,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 15:47:59,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2018-11-23 15:47:59,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-23 15:47:59,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2018-11-23 15:47:59,524 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 7 [2018-11-23 15:47:59,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:47:59,525 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2018-11-23 15:47:59,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:47:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2018-11-23 15:47:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 15:47:59,525 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:47:59,525 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:47:59,526 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:47:59,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:47:59,526 INFO L82 PathProgramCache]: Analyzing trace with hash -393144632, now seen corresponding path program 1 times [2018-11-23 15:47:59,526 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:47:59,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:47:59,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:47:59,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:47:59,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:47:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:47:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:47:59,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:47:59,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:47:59,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:47:59,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:47:59,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:47:59,564 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand 3 states. [2018-11-23 15:47:59,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:47:59,663 INFO L93 Difference]: Finished difference Result 110 states and 119 transitions. [2018-11-23 15:47:59,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:47:59,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 15:47:59,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:47:59,664 INFO L225 Difference]: With dead ends: 110 [2018-11-23 15:47:59,664 INFO L226 Difference]: Without dead ends: 110 [2018-11-23 15:47:59,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:47:59,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-23 15:47:59,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2018-11-23 15:47:59,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-23 15:47:59,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2018-11-23 15:47:59,669 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 7 [2018-11-23 15:47:59,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:47:59,670 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2018-11-23 15:47:59,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:47:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2018-11-23 15:47:59,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 15:47:59,670 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:47:59,671 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:47:59,671 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:47:59,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:47:59,671 INFO L82 PathProgramCache]: Analyzing trace with hash -2119767514, now seen corresponding path program 1 times [2018-11-23 15:47:59,671 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:47:59,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:47:59,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:47:59,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:47:59,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:47:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:47:59,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:47:59,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:47:59,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:47:59,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:47:59,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:47:59,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:47:59,731 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 5 states. [2018-11-23 15:47:59,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:47:59,946 INFO L93 Difference]: Finished difference Result 213 states and 231 transitions. [2018-11-23 15:47:59,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:47:59,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-23 15:47:59,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:47:59,947 INFO L225 Difference]: With dead ends: 213 [2018-11-23 15:47:59,947 INFO L226 Difference]: Without dead ends: 213 [2018-11-23 15:47:59,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:47:59,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-11-23 15:47:59,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 105. [2018-11-23 15:47:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-23 15:47:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2018-11-23 15:47:59,953 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 14 [2018-11-23 15:47:59,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:47:59,953 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2018-11-23 15:47:59,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:47:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2018-11-23 15:47:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 15:47:59,954 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:47:59,954 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:47:59,954 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:47:59,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:47:59,955 INFO L82 PathProgramCache]: Analyzing trace with hash -2119767513, now seen corresponding path program 1 times [2018-11-23 15:47:59,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:47:59,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:47:59,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:47:59,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:47:59,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:47:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:00,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:00,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:48:00,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:48:00,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:48:00,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:48:00,011 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand 5 states. [2018-11-23 15:48:00,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:00,211 INFO L93 Difference]: Finished difference Result 188 states and 204 transitions. [2018-11-23 15:48:00,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:48:00,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-23 15:48:00,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:00,212 INFO L225 Difference]: With dead ends: 188 [2018-11-23 15:48:00,212 INFO L226 Difference]: Without dead ends: 188 [2018-11-23 15:48:00,213 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:48:00,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-11-23 15:48:00,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 104. [2018-11-23 15:48:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-23 15:48:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2018-11-23 15:48:00,219 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 14 [2018-11-23 15:48:00,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:00,220 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2018-11-23 15:48:00,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:48:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2018-11-23 15:48:00,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 15:48:00,220 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:00,221 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:00,221 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:00,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:00,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1149684971, now seen corresponding path program 1 times [2018-11-23 15:48:00,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:00,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:00,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:00,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:00,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:00,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:00,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:48:00,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:48:00,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:48:00,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:48:00,264 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand 4 states. [2018-11-23 15:48:00,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:00,350 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2018-11-23 15:48:00,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 15:48:00,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-23 15:48:00,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:00,351 INFO L225 Difference]: With dead ends: 107 [2018-11-23 15:48:00,351 INFO L226 Difference]: Without dead ends: 107 [2018-11-23 15:48:00,352 INFO L631 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 [2018-11-23 15:48:00,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-23 15:48:00,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 99. [2018-11-23 15:48:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-23 15:48:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2018-11-23 15:48:00,355 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 16 [2018-11-23 15:48:00,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:00,355 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2018-11-23 15:48:00,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:48:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2018-11-23 15:48:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 15:48:00,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:00,356 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:00,357 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:00,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:00,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1149684970, now seen corresponding path program 1 times [2018-11-23 15:48:00,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:00,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:00,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:00,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:00,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:00,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:00,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:48:00,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:48:00,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:48:00,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:48:00,409 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 6 states. [2018-11-23 15:48:00,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:00,559 INFO L93 Difference]: Finished difference Result 132 states and 145 transitions. [2018-11-23 15:48:00,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 15:48:00,560 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-23 15:48:00,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:00,560 INFO L225 Difference]: With dead ends: 132 [2018-11-23 15:48:00,561 INFO L226 Difference]: Without dead ends: 132 [2018-11-23 15:48:00,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:48:00,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-23 15:48:00,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 116. [2018-11-23 15:48:00,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-23 15:48:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 132 transitions. [2018-11-23 15:48:00,566 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 132 transitions. Word has length 16 [2018-11-23 15:48:00,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:00,566 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 132 transitions. [2018-11-23 15:48:00,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:48:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2018-11-23 15:48:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 15:48:00,567 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:00,567 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:00,567 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:00,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:00,568 INFO L82 PathProgramCache]: Analyzing trace with hash 2099242441, now seen corresponding path program 1 times [2018-11-23 15:48:00,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:00,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:00,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:00,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:00,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:00,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:00,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:48:00,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:48:00,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:48:00,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:48:00,627 INFO L87 Difference]: Start difference. First operand 116 states and 132 transitions. Second operand 6 states. [2018-11-23 15:48:00,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:00,850 INFO L93 Difference]: Finished difference Result 166 states and 192 transitions. [2018-11-23 15:48:00,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:48:00,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-11-23 15:48:00,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:00,851 INFO L225 Difference]: With dead ends: 166 [2018-11-23 15:48:00,851 INFO L226 Difference]: Without dead ends: 166 [2018-11-23 15:48:00,851 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-23 15:48:00,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-11-23 15:48:00,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 102. [2018-11-23 15:48:00,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-23 15:48:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions. [2018-11-23 15:48:00,855 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 19 [2018-11-23 15:48:00,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:00,855 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 117 transitions. [2018-11-23 15:48:00,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:48:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2018-11-23 15:48:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 15:48:00,856 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:00,856 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:00,856 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:00,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:00,856 INFO L82 PathProgramCache]: Analyzing trace with hash 2099242440, now seen corresponding path program 1 times [2018-11-23 15:48:00,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:00,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:00,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:00,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:00,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:00,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:00,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:00,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:48:00,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:48:00,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:48:00,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:48:00,889 INFO L87 Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 6 states. [2018-11-23 15:48:01,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:01,017 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2018-11-23 15:48:01,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:48:01,018 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-11-23 15:48:01,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:01,018 INFO L225 Difference]: With dead ends: 144 [2018-11-23 15:48:01,018 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 15:48:01,021 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:48:01,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 15:48:01,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 101. [2018-11-23 15:48:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-23 15:48:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2018-11-23 15:48:01,024 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 19 [2018-11-23 15:48:01,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:01,024 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2018-11-23 15:48:01,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:48:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2018-11-23 15:48:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:48:01,025 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:01,025 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:01,025 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:01,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:01,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1523931215, now seen corresponding path program 1 times [2018-11-23 15:48:01,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:01,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:01,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:01,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:01,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:01,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:01,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:48:01,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:48:01,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:48:01,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:48:01,058 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 4 states. [2018-11-23 15:48:01,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:01,115 INFO L93 Difference]: Finished difference Result 116 states and 129 transitions. [2018-11-23 15:48:01,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:48:01,115 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-11-23 15:48:01,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:01,116 INFO L225 Difference]: With dead ends: 116 [2018-11-23 15:48:01,116 INFO L226 Difference]: Without dead ends: 116 [2018-11-23 15:48:01,116 INFO L631 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 [2018-11-23 15:48:01,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-23 15:48:01,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 101. [2018-11-23 15:48:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-23 15:48:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 114 transitions. [2018-11-23 15:48:01,119 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 114 transitions. Word has length 21 [2018-11-23 15:48:01,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:01,120 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 114 transitions. [2018-11-23 15:48:01,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:48:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2018-11-23 15:48:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 15:48:01,120 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:01,120 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:01,121 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:01,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:01,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1906070978, now seen corresponding path program 1 times [2018-11-23 15:48:01,121 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:01,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:01,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:01,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:01,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:01,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:01,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:48:01,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:48:01,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:48:01,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:48:01,152 INFO L87 Difference]: Start difference. First operand 101 states and 114 transitions. Second operand 3 states. [2018-11-23 15:48:01,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:01,170 INFO L93 Difference]: Finished difference Result 103 states and 114 transitions. [2018-11-23 15:48:01,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:48:01,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-11-23 15:48:01,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:01,171 INFO L225 Difference]: With dead ends: 103 [2018-11-23 15:48:01,172 INFO L226 Difference]: Without dead ends: 101 [2018-11-23 15:48:01,172 INFO L631 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 [2018-11-23 15:48:01,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-23 15:48:01,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-23 15:48:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-23 15:48:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 112 transitions. [2018-11-23 15:48:01,175 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 112 transitions. Word has length 26 [2018-11-23 15:48:01,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:01,175 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 112 transitions. [2018-11-23 15:48:01,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:48:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 112 transitions. [2018-11-23 15:48:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 15:48:01,176 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:01,176 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:01,176 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:01,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:01,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1704664608, now seen corresponding path program 1 times [2018-11-23 15:48:01,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:01,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:01,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:01,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:01,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:01,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:01,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:48:01,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:48:01,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:48:01,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:48:01,221 INFO L87 Difference]: Start difference. First operand 101 states and 112 transitions. Second operand 5 states. [2018-11-23 15:48:01,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:01,364 INFO L93 Difference]: Finished difference Result 164 states and 182 transitions. [2018-11-23 15:48:01,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:48:01,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-23 15:48:01,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:01,365 INFO L225 Difference]: With dead ends: 164 [2018-11-23 15:48:01,365 INFO L226 Difference]: Without dead ends: 164 [2018-11-23 15:48:01,365 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:48:01,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-11-23 15:48:01,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 100. [2018-11-23 15:48:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-23 15:48:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 111 transitions. [2018-11-23 15:48:01,368 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 111 transitions. Word has length 26 [2018-11-23 15:48:01,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:01,368 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 111 transitions. [2018-11-23 15:48:01,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:48:01,368 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 111 transitions. [2018-11-23 15:48:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 15:48:01,369 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:01,369 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:01,369 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:01,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:01,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1704664609, now seen corresponding path program 1 times [2018-11-23 15:48:01,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:01,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:01,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:01,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:01,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:01,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:01,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:48:01,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:48:01,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:48:01,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:48:01,436 INFO L87 Difference]: Start difference. First operand 100 states and 111 transitions. Second operand 5 states. [2018-11-23 15:48:01,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:01,637 INFO L93 Difference]: Finished difference Result 173 states and 193 transitions. [2018-11-23 15:48:01,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:48:01,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-23 15:48:01,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:01,639 INFO L225 Difference]: With dead ends: 173 [2018-11-23 15:48:01,639 INFO L226 Difference]: Without dead ends: 173 [2018-11-23 15:48:01,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:48:01,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-11-23 15:48:01,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 99. [2018-11-23 15:48:01,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-23 15:48:01,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 110 transitions. [2018-11-23 15:48:01,644 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 110 transitions. Word has length 26 [2018-11-23 15:48:01,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:01,644 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 110 transitions. [2018-11-23 15:48:01,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:48:01,644 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 110 transitions. [2018-11-23 15:48:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 15:48:01,645 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:01,645 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:01,645 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:01,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:01,646 INFO L82 PathProgramCache]: Analyzing trace with hash 17684415, now seen corresponding path program 1 times [2018-11-23 15:48:01,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:01,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:01,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:01,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:01,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:01,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:01,730 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:01,731 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:01,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:01,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:01,848 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:01,855 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:01,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,868 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:01,870 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:01,871 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,873 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,879 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:29, output treesize:18 [2018-11-23 15:48:01,898 INFO L478 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 27 treesize of output 22 [2018-11-23 15:48:01,902 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:01,904 INFO L478 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 14 [2018-11-23 15:48:01,905 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,924 INFO L478 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 27 treesize of output 22 [2018-11-23 15:48:01,934 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:01,936 INFO L478 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 14 [2018-11-23 15:48:01,936 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,942 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,947 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:56, output treesize:18 [2018-11-23 15:48:01,953 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-23 15:48:01,957 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:01,958 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:48:01,959 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,977 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-23 15:48:01,981 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:01,982 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:48:01,982 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,988 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:01,998 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:49, output treesize:36 [2018-11-23 15:48:02,044 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-23 15:48:02,048 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-23 15:48:02,048 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:02,051 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:02,060 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-23 15:48:02,062 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-23 15:48:02,062 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:02,064 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:02,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:02,067 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:7 [2018-11-23 15:48:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:02,104 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:02,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2018-11-23 15:48:02,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:48:02,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:48:02,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:48:02,105 INFO L87 Difference]: Start difference. First operand 99 states and 110 transitions. Second operand 10 states. [2018-11-23 15:48:02,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:02,419 INFO L93 Difference]: Finished difference Result 170 states and 185 transitions. [2018-11-23 15:48:02,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 15:48:02,420 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-11-23 15:48:02,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:02,420 INFO L225 Difference]: With dead ends: 170 [2018-11-23 15:48:02,421 INFO L226 Difference]: Without dead ends: 170 [2018-11-23 15:48:02,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2018-11-23 15:48:02,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-11-23 15:48:02,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 113. [2018-11-23 15:48:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-23 15:48:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2018-11-23 15:48:02,425 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 28 [2018-11-23 15:48:02,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:02,425 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2018-11-23 15:48:02,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:48:02,425 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2018-11-23 15:48:02,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 15:48:02,426 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:02,426 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:02,427 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:02,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:02,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1731601045, now seen corresponding path program 1 times [2018-11-23 15:48:02,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:02,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:02,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:02,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:02,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:48:02,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:02,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:48:02,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:48:02,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:48:02,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:48:02,554 INFO L87 Difference]: Start difference. First operand 113 states and 125 transitions. Second operand 7 states. [2018-11-23 15:48:02,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:02,720 INFO L93 Difference]: Finished difference Result 157 states and 173 transitions. [2018-11-23 15:48:02,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:48:02,721 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-11-23 15:48:02,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:02,722 INFO L225 Difference]: With dead ends: 157 [2018-11-23 15:48:02,722 INFO L226 Difference]: Without dead ends: 157 [2018-11-23 15:48:02,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:48:02,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-23 15:48:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 136. [2018-11-23 15:48:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-23 15:48:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 150 transitions. [2018-11-23 15:48:02,728 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 150 transitions. Word has length 35 [2018-11-23 15:48:02,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:02,728 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 150 transitions. [2018-11-23 15:48:02,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:48:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 150 transitions. [2018-11-23 15:48:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 15:48:02,729 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:02,729 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:02,730 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:02,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:02,730 INFO L82 PathProgramCache]: Analyzing trace with hash -2140024634, now seen corresponding path program 1 times [2018-11-23 15:48:02,730 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:02,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:02,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:02,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:02,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:48:02,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:02,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:48:02,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 15:48:02,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 15:48:02,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:48:02,815 INFO L87 Difference]: Start difference. First operand 136 states and 150 transitions. Second operand 8 states. [2018-11-23 15:48:03,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:03,027 INFO L93 Difference]: Finished difference Result 144 states and 158 transitions. [2018-11-23 15:48:03,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 15:48:03,027 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-11-23 15:48:03,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:03,028 INFO L225 Difference]: With dead ends: 144 [2018-11-23 15:48:03,028 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 15:48:03,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:48:03,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 15:48:03,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 137. [2018-11-23 15:48:03,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-23 15:48:03,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 151 transitions. [2018-11-23 15:48:03,031 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 151 transitions. Word has length 36 [2018-11-23 15:48:03,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:03,031 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 151 transitions. [2018-11-23 15:48:03,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 15:48:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 151 transitions. [2018-11-23 15:48:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 15:48:03,032 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:03,032 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:03,033 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:03,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:03,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1907606507, now seen corresponding path program 1 times [2018-11-23 15:48:03,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:03,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:03,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:03,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:03,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:03,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:03,140 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:03,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:03,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:03,205 INFO L478 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 [2018-11-23 15:48:03,207 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:03,207 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:03,211 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:03,218 INFO L478 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 [2018-11-23 15:48:03,220 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:03,220 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:03,222 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:03,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:03,227 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2018-11-23 15:48:03,320 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-23 15:48:03,331 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 17 [2018-11-23 15:48:03,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-11-23 15:48:03,342 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 15:48:03,356 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-23 15:48:03,364 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 17 [2018-11-23 15:48:03,364 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-23 15:48:03,368 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:48:03,382 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-23 15:48:03,382 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:38 [2018-11-23 15:48:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:03,449 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:03,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13] total 17 [2018-11-23 15:48:03,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 15:48:03,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 15:48:03,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-11-23 15:48:03,450 INFO L87 Difference]: Start difference. First operand 137 states and 151 transitions. Second operand 17 states. [2018-11-23 15:48:03,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:03,995 INFO L93 Difference]: Finished difference Result 171 states and 184 transitions. [2018-11-23 15:48:03,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 15:48:03,995 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 37 [2018-11-23 15:48:03,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:03,996 INFO L225 Difference]: With dead ends: 171 [2018-11-23 15:48:03,996 INFO L226 Difference]: Without dead ends: 171 [2018-11-23 15:48:03,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=658, Unknown=0, NotChecked=0, Total=812 [2018-11-23 15:48:03,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-11-23 15:48:03,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 151. [2018-11-23 15:48:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-23 15:48:04,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 169 transitions. [2018-11-23 15:48:04,000 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 169 transitions. Word has length 37 [2018-11-23 15:48:04,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:04,000 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 169 transitions. [2018-11-23 15:48:04,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 15:48:04,000 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 169 transitions. [2018-11-23 15:48:04,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 15:48:04,001 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:04,001 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:04,001 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:04,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:04,002 INFO L82 PathProgramCache]: Analyzing trace with hash -874972825, now seen corresponding path program 1 times [2018-11-23 15:48:04,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:04,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:04,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:04,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:04,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:04,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:04,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:04,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 15:48:04,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:48:04,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:48:04,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:48:04,131 INFO L87 Difference]: Start difference. First operand 151 states and 169 transitions. Second operand 10 states. [2018-11-23 15:48:04,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:04,356 INFO L93 Difference]: Finished difference Result 187 states and 205 transitions. [2018-11-23 15:48:04,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 15:48:04,356 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2018-11-23 15:48:04,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:04,357 INFO L225 Difference]: With dead ends: 187 [2018-11-23 15:48:04,357 INFO L226 Difference]: Without dead ends: 179 [2018-11-23 15:48:04,357 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2018-11-23 15:48:04,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-11-23 15:48:04,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 130. [2018-11-23 15:48:04,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 15:48:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 144 transitions. [2018-11-23 15:48:04,362 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 144 transitions. Word has length 38 [2018-11-23 15:48:04,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:04,362 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 144 transitions. [2018-11-23 15:48:04,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:48:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 144 transitions. [2018-11-23 15:48:04,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 15:48:04,363 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:04,363 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:04,363 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:04,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:04,363 INFO L82 PathProgramCache]: Analyzing trace with hash 993739503, now seen corresponding path program 1 times [2018-11-23 15:48:04,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:04,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:04,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:04,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:04,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:48:04,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:04,420 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:04,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:04,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:04,545 INFO L478 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 17 treesize of output 13 [2018-11-23 15:48:04,550 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 15:48:04,553 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-23 15:48:04,556 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:48:04,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:48:04,559 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:10 [2018-11-23 15:48:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:04,597 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:04,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 11] total 14 [2018-11-23 15:48:04,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 15:48:04,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 15:48:04,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-11-23 15:48:04,598 INFO L87 Difference]: Start difference. First operand 130 states and 144 transitions. Second operand 14 states. [2018-11-23 15:48:05,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:05,165 INFO L93 Difference]: Finished difference Result 139 states and 149 transitions. [2018-11-23 15:48:05,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-23 15:48:05,165 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2018-11-23 15:48:05,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:05,165 INFO L225 Difference]: With dead ends: 139 [2018-11-23 15:48:05,165 INFO L226 Difference]: Without dead ends: 139 [2018-11-23 15:48:05,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=230, Invalid=826, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 15:48:05,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-23 15:48:05,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 127. [2018-11-23 15:48:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-23 15:48:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 139 transitions. [2018-11-23 15:48:05,169 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 139 transitions. Word has length 38 [2018-11-23 15:48:05,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:05,169 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 139 transitions. [2018-11-23 15:48:05,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 15:48:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 139 transitions. [2018-11-23 15:48:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 15:48:05,170 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:05,170 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:05,170 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:05,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:05,170 INFO L82 PathProgramCache]: Analyzing trace with hash 725668360, now seen corresponding path program 1 times [2018-11-23 15:48:05,170 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:05,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:05,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:05,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:05,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:48:05,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:05,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:48:05,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:48:05,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:48:05,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:48:05,238 INFO L87 Difference]: Start difference. First operand 127 states and 139 transitions. Second operand 7 states. [2018-11-23 15:48:05,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:05,321 INFO L93 Difference]: Finished difference Result 152 states and 164 transitions. [2018-11-23 15:48:05,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:48:05,321 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2018-11-23 15:48:05,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:05,321 INFO L225 Difference]: With dead ends: 152 [2018-11-23 15:48:05,321 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 15:48:05,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:48:05,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 15:48:05,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 127. [2018-11-23 15:48:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-23 15:48:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 139 transitions. [2018-11-23 15:48:05,323 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 139 transitions. Word has length 38 [2018-11-23 15:48:05,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:05,323 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 139 transitions. [2018-11-23 15:48:05,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:48:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 139 transitions. [2018-11-23 15:48:05,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 15:48:05,324 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:05,324 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:05,324 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:05,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:05,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1884230400, now seen corresponding path program 1 times [2018-11-23 15:48:05,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:05,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:05,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:05,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:05,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:48:05,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:48:05,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:48:05,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:48:05,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:48:05,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:48:05,396 INFO L87 Difference]: Start difference. First operand 127 states and 139 transitions. Second operand 7 states. [2018-11-23 15:48:05,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:05,487 INFO L93 Difference]: Finished difference Result 125 states and 135 transitions. [2018-11-23 15:48:05,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:48:05,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2018-11-23 15:48:05,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:05,488 INFO L225 Difference]: With dead ends: 125 [2018-11-23 15:48:05,488 INFO L226 Difference]: Without dead ends: 107 [2018-11-23 15:48:05,488 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:48:05,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-23 15:48:05,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 100. [2018-11-23 15:48:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-23 15:48:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-11-23 15:48:05,490 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 38 [2018-11-23 15:48:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:05,490 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-11-23 15:48:05,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:48:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-11-23 15:48:05,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 15:48:05,491 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:05,491 INFO L402 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] [2018-11-23 15:48:05,491 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:05,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:05,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1701751613, now seen corresponding path program 1 times [2018-11-23 15:48:05,491 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:05,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:05,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:05,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:05,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:05,601 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:05,602 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:05,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:05,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:05,627 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:05,628 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:05,629 INFO L478 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 [2018-11-23 15:48:05,629 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,635 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-11-23 15:48:05,671 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:05,673 INFO L478 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 [2018-11-23 15:48:05,673 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,675 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,684 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,684 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-11-23 15:48:05,723 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:05,728 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-11-23 15:48:05,730 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:05,730 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,736 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,740 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,740 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:33 [2018-11-23 15:48:05,760 INFO L478 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 43 treesize of output 42 [2018-11-23 15:48:05,762 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:05,763 INFO L478 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 14 [2018-11-23 15:48:05,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,768 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,772 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:52, output treesize:33 [2018-11-23 15:48:05,781 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 44 [2018-11-23 15:48:05,785 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:05,786 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 35 [2018-11-23 15:48:05,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,793 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,799 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. [2018-11-23 15:48:05,799 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:51 [2018-11-23 15:48:05,878 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2018-11-23 15:48:05,882 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:05,883 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 6 [2018-11-23 15:48:05,884 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 15:48:05,891 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,894 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:05,897 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:05,897 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:58, output treesize:15 [2018-11-23 15:48:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:05,955 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:05,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2018-11-23 15:48:05,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-23 15:48:05,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-23 15:48:05,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2018-11-23 15:48:05,955 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 23 states. [2018-11-23 15:48:06,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:06,560 INFO L93 Difference]: Finished difference Result 177 states and 192 transitions. [2018-11-23 15:48:06,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 15:48:06,561 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 39 [2018-11-23 15:48:06,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:06,562 INFO L225 Difference]: With dead ends: 177 [2018-11-23 15:48:06,562 INFO L226 Difference]: Without dead ends: 177 [2018-11-23 15:48:06,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=223, Invalid=833, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 15:48:06,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-11-23 15:48:06,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 126. [2018-11-23 15:48:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-23 15:48:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 141 transitions. [2018-11-23 15:48:06,565 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 141 transitions. Word has length 39 [2018-11-23 15:48:06,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:06,565 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 141 transitions. [2018-11-23 15:48:06,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-23 15:48:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 141 transitions. [2018-11-23 15:48:06,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 15:48:06,565 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:06,565 INFO L402 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] [2018-11-23 15:48:06,566 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:06,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:06,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1701751614, now seen corresponding path program 1 times [2018-11-23 15:48:06,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:06,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:06,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:06,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:06,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:06,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:06,716 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:06,716 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:06,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:06,749 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:06,756 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:06,756 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,778 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:06,779 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:06,780 INFO L478 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 [2018-11-23 15:48:06,780 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,786 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,786 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-23 15:48:06,793 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:06,796 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:06,796 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,798 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,820 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:06,825 INFO L478 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 [2018-11-23 15:48:06,826 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,828 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,834 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,835 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2018-11-23 15:48:06,871 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:06,874 INFO L478 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 [2018-11-23 15:48:06,876 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:06,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,883 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,893 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:06,897 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-11-23 15:48:06,899 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:06,899 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,906 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,914 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:54, output treesize:46 [2018-11-23 15:48:06,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 48 [2018-11-23 15:48:06,942 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:06,943 INFO L478 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 26 treesize of output 37 [2018-11-23 15:48:06,944 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,951 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,965 INFO L478 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 54 treesize of output 53 [2018-11-23 15:48:06,967 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:06,968 INFO L478 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 14 [2018-11-23 15:48:06,968 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,975 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:06,982 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:84, output treesize:46 [2018-11-23 15:48:06,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-11-23 15:48:06,991 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:06,993 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-23 15:48:06,993 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:07,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:07,013 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 68 [2018-11-23 15:48:07,016 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:07,017 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 35 [2018-11-23 15:48:07,018 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:07,026 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:07,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:07,035 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:93, output treesize:77 [2018-11-23 15:48:07,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 53 [2018-11-23 15:48:07,099 INFO L478 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 48 treesize of output 49 [2018-11-23 15:48:07,099 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:07,109 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:07,111 INFO L478 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 54 treesize of output 32 [2018-11-23 15:48:07,111 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:07,119 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:07,129 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-11-23 15:48:07,131 INFO L478 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 [2018-11-23 15:48:07,131 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:07,138 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:07,139 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-23 15:48:07,140 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:07,143 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:07,147 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:07,147 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:91, output treesize:9 [2018-11-23 15:48:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:07,188 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:07,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2018-11-23 15:48:07,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 15:48:07,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 15:48:07,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2018-11-23 15:48:07,189 INFO L87 Difference]: Start difference. First operand 126 states and 141 transitions. Second operand 18 states. [2018-11-23 15:48:08,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:08,297 INFO L93 Difference]: Finished difference Result 178 states and 192 transitions. [2018-11-23 15:48:08,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 15:48:08,300 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 39 [2018-11-23 15:48:08,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:08,300 INFO L225 Difference]: With dead ends: 178 [2018-11-23 15:48:08,301 INFO L226 Difference]: Without dead ends: 178 [2018-11-23 15:48:08,301 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 30 SyntacticMatches, 8 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=167, Invalid=703, Unknown=0, NotChecked=0, Total=870 [2018-11-23 15:48:08,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-11-23 15:48:08,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 125. [2018-11-23 15:48:08,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-23 15:48:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 139 transitions. [2018-11-23 15:48:08,303 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 139 transitions. Word has length 39 [2018-11-23 15:48:08,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:08,304 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 139 transitions. [2018-11-23 15:48:08,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 15:48:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 139 transitions. [2018-11-23 15:48:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 15:48:08,304 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:08,304 INFO L402 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] [2018-11-23 15:48:08,305 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:08,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:08,305 INFO L82 PathProgramCache]: Analyzing trace with hash -916129814, now seen corresponding path program 1 times [2018-11-23 15:48:08,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:08,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:08,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:08,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:08,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:08,447 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:08,447 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:08,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:08,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:08,486 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:08,487 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:08,487 INFO L478 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 [2018-11-23 15:48:08,488 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,492 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-23 15:48:08,497 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:08,499 INFO L478 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 [2018-11-23 15:48:08,499 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,502 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,509 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-11-23 15:48:08,545 INFO L478 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 [2018-11-23 15:48:08,550 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:08,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,569 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,576 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:24 [2018-11-23 15:48:08,607 INFO L478 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 34 treesize of output 33 [2018-11-23 15:48:08,612 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:08,615 INFO L478 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 14 [2018-11-23 15:48:08,615 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,625 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,630 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,630 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:24 [2018-11-23 15:48:08,634 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:08,636 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:08,637 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-23 15:48:08,637 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,645 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,645 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-11-23 15:48:08,671 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-23 15:48:08,674 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:08,676 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:48:08,676 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,684 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,693 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:34 [2018-11-23 15:48:08,754 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 70 [2018-11-23 15:48:08,757 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 78 [2018-11-23 15:48:08,758 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,790 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:08,799 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 69 [2018-11-23 15:48:08,800 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 15:48:08,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:48:08,840 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-23 15:48:08,840 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:74, output treesize:103 [2018-11-23 15:48:08,934 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2018-11-23 15:48:08,936 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:08,937 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-23 15:48:08,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,943 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 15:48:08,944 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,947 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,965 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 52 [2018-11-23 15:48:08,968 INFO L478 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 45 treesize of output 40 [2018-11-23 15:48:08,969 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:08,985 INFO L478 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 37 treesize of output 28 [2018-11-23 15:48:08,985 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:09,001 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:09,003 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2018-11-23 15:48:09,003 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:09,014 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 15:48:09,015 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:09,021 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:09,026 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:09,027 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 9 variables, input treesize:117, output treesize:5 [2018-11-23 15:48:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:09,058 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:09,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 20 [2018-11-23 15:48:09,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-23 15:48:09,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-23 15:48:09,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-11-23 15:48:09,058 INFO L87 Difference]: Start difference. First operand 125 states and 139 transitions. Second operand 21 states. [2018-11-23 15:48:10,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:10,398 INFO L93 Difference]: Finished difference Result 200 states and 216 transitions. [2018-11-23 15:48:10,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 15:48:10,399 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 42 [2018-11-23 15:48:10,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:10,399 INFO L225 Difference]: With dead ends: 200 [2018-11-23 15:48:10,400 INFO L226 Difference]: Without dead ends: 200 [2018-11-23 15:48:10,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 30 SyntacticMatches, 9 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=309, Invalid=1413, Unknown=0, NotChecked=0, Total=1722 [2018-11-23 15:48:10,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-11-23 15:48:10,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 146. [2018-11-23 15:48:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-23 15:48:10,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 163 transitions. [2018-11-23 15:48:10,403 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 163 transitions. Word has length 42 [2018-11-23 15:48:10,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:10,403 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 163 transitions. [2018-11-23 15:48:10,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-23 15:48:10,403 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions. [2018-11-23 15:48:10,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 15:48:10,404 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:10,404 INFO L402 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] [2018-11-23 15:48:10,404 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:10,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:10,404 INFO L82 PathProgramCache]: Analyzing trace with hash -916129813, now seen corresponding path program 1 times [2018-11-23 15:48:10,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:10,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:10,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:10,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:10,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:10,612 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:10,612 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:10,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:10,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:10,649 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:10,650 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:10,651 INFO L478 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 [2018-11-23 15:48:10,651 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,659 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,660 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-11-23 15:48:10,695 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:10,697 INFO L478 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 [2018-11-23 15:48:10,698 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,699 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,709 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:10,710 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:10,710 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,712 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,719 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,719 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-11-23 15:48:10,786 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:10,789 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-11-23 15:48:10,792 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:10,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,798 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,812 INFO L478 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 [2018-11-23 15:48:10,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:10,815 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,818 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,827 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,828 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:54 [2018-11-23 15:48:10,865 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 44 [2018-11-23 15:48:10,868 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:10,869 INFO L478 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 26 treesize of output 37 [2018-11-23 15:48:10,870 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,876 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,893 INFO L478 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 54 treesize of output 53 [2018-11-23 15:48:10,896 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:10,897 INFO L478 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 14 [2018-11-23 15:48:10,897 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,903 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,914 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:99, output treesize:61 [2018-11-23 15:48:10,947 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:10,949 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 21 [2018-11-23 15:48:10,949 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,966 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:10,967 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:10,968 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:10,969 INFO L478 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 [2018-11-23 15:48:10,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:10,982 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:72, output treesize:68 [2018-11-23 15:48:11,019 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-11-23 15:48:11,022 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:11,024 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-23 15:48:11,024 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,031 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,054 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2018-11-23 15:48:11,057 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:11,059 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:48:11,059 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,071 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,086 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:94, output treesize:86 [2018-11-23 15:48:11,162 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 77 [2018-11-23 15:48:11,164 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:11,164 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,172 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,197 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 110 [2018-11-23 15:48:11,200 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:11,200 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,214 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,233 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. [2018-11-23 15:48:11,233 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:161, output treesize:133 [2018-11-23 15:48:11,327 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 85 [2018-11-23 15:48:11,330 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2018-11-23 15:48:11,330 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,342 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:11,343 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 27 [2018-11-23 15:48:11,344 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:11,354 INFO L478 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 [2018-11-23 15:48:11,354 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:11,374 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2018-11-23 15:48:11,376 INFO L478 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 [2018-11-23 15:48:11,376 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,382 INFO L478 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 [2018-11-23 15:48:11,382 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,386 INFO L478 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 [2018-11-23 15:48:11,386 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,387 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:11,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:11,395 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:147, output treesize:18 [2018-11-23 15:48:11,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:11,470 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:11,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 28 [2018-11-23 15:48:11,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-23 15:48:11,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-23 15:48:11,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2018-11-23 15:48:11,471 INFO L87 Difference]: Start difference. First operand 146 states and 163 transitions. Second operand 29 states. [2018-11-23 15:48:14,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:14,434 INFO L93 Difference]: Finished difference Result 272 states and 289 transitions. [2018-11-23 15:48:14,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-23 15:48:14,434 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 42 [2018-11-23 15:48:14,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:14,435 INFO L225 Difference]: With dead ends: 272 [2018-11-23 15:48:14,435 INFO L226 Difference]: Without dead ends: 272 [2018-11-23 15:48:14,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 29 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=542, Invalid=3240, Unknown=0, NotChecked=0, Total=3782 [2018-11-23 15:48:14,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-11-23 15:48:14,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 131. [2018-11-23 15:48:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-23 15:48:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 145 transitions. [2018-11-23 15:48:14,438 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 145 transitions. Word has length 42 [2018-11-23 15:48:14,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:14,438 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 145 transitions. [2018-11-23 15:48:14,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-23 15:48:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 145 transitions. [2018-11-23 15:48:14,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 15:48:14,439 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:14,439 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:14,439 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:14,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:14,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1094303789, now seen corresponding path program 1 times [2018-11-23 15:48:14,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:14,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:14,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:14,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:14,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:14,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:14,582 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:14,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:14,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:14,620 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:14,622 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:14,623 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-23 15:48:14,623 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,629 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,629 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-11-23 15:48:14,636 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:14,638 INFO L478 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 [2018-11-23 15:48:14,638 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,639 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,645 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,645 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-11-23 15:48:14,676 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:14,679 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-11-23 15:48:14,683 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:14,683 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,688 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,693 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:27 [2018-11-23 15:48:14,714 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-11-23 15:48:14,716 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:14,717 INFO L478 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 14 [2018-11-23 15:48:14,718 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,724 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,730 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,730 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:46, output treesize:27 [2018-11-23 15:48:14,736 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2018-11-23 15:48:14,738 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:14,739 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 35 [2018-11-23 15:48:14,740 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,746 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,751 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:14,751 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-11-23 15:48:14,803 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2018-11-23 15:48:14,812 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:14,813 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:14,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-23 15:48:14,814 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,818 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-11-23 15:48:14,819 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,821 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:14,823 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:52, output treesize:4 [2018-11-23 15:48:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:14,849 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:14,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2018-11-23 15:48:14,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 15:48:14,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 15:48:14,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2018-11-23 15:48:14,849 INFO L87 Difference]: Start difference. First operand 131 states and 145 transitions. Second operand 18 states. [2018-11-23 15:48:15,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:15,568 INFO L93 Difference]: Finished difference Result 203 states and 218 transitions. [2018-11-23 15:48:15,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 15:48:15,568 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 46 [2018-11-23 15:48:15,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:15,569 INFO L225 Difference]: With dead ends: 203 [2018-11-23 15:48:15,569 INFO L226 Difference]: Without dead ends: 203 [2018-11-23 15:48:15,569 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 39 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=801, Unknown=0, NotChecked=0, Total=992 [2018-11-23 15:48:15,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-11-23 15:48:15,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 144. [2018-11-23 15:48:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 15:48:15,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 159 transitions. [2018-11-23 15:48:15,571 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 159 transitions. Word has length 46 [2018-11-23 15:48:15,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:15,571 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 159 transitions. [2018-11-23 15:48:15,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 15:48:15,571 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 159 transitions. [2018-11-23 15:48:15,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 15:48:15,572 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:15,572 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:15,572 INFO L423 AbstractCegarLoop]: === Iteration 26 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:15,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:15,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1459534112, now seen corresponding path program 1 times [2018-11-23 15:48:15,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:15,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:15,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:15,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:15,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:15,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:15,755 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:15,755 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:15,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:15,797 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:15,805 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:15,807 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:15,808 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-23 15:48:15,808 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,814 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,814 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-11-23 15:48:15,826 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:15,829 INFO L478 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 [2018-11-23 15:48:15,829 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,834 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,854 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,854 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:28 [2018-11-23 15:48:15,892 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:15,894 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-11-23 15:48:15,896 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:15,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,902 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,907 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,908 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:32 [2018-11-23 15:48:15,941 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-11-23 15:48:15,943 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:15,945 INFO L478 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 14 [2018-11-23 15:48:15,945 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,950 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,955 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,956 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:32 [2018-11-23 15:48:15,958 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:15,959 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:15,959 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-23 15:48:15,959 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,964 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:15,964 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:31 [2018-11-23 15:48:15,987 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-23 15:48:15,990 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:15,991 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:48:15,991 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:16,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:16,009 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:16,010 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:37 [2018-11-23 15:48:16,074 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 69 [2018-11-23 15:48:16,077 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 77 [2018-11-23 15:48:16,077 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:16,096 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:16,098 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:16,104 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 68 [2018-11-23 15:48:16,104 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 15:48:16,123 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:48:16,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-23 15:48:16,138 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:73, output treesize:101 [2018-11-23 15:48:16,246 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 51 [2018-11-23 15:48:16,248 INFO L478 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 44 treesize of output 35 [2018-11-23 15:48:16,248 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:16,266 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:16,267 INFO L478 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 35 treesize of output 28 [2018-11-23 15:48:16,268 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:16,281 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2018-11-23 15:48:16,281 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:16,293 INFO L478 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 14 treesize of output 9 [2018-11-23 15:48:16,293 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:16,301 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:16,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:16,308 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:115, output treesize:9 [2018-11-23 15:48:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:16,359 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:16,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 25 [2018-11-23 15:48:16,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-23 15:48:16,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-23 15:48:16,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2018-11-23 15:48:16,360 INFO L87 Difference]: Start difference. First operand 144 states and 159 transitions. Second operand 25 states. [2018-11-23 15:48:17,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:17,949 INFO L93 Difference]: Finished difference Result 204 states and 218 transitions. [2018-11-23 15:48:17,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 15:48:17,949 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 49 [2018-11-23 15:48:17,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:17,950 INFO L225 Difference]: With dead ends: 204 [2018-11-23 15:48:17,950 INFO L226 Difference]: Without dead ends: 204 [2018-11-23 15:48:17,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 38 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=344, Invalid=1636, Unknown=0, NotChecked=0, Total=1980 [2018-11-23 15:48:17,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-11-23 15:48:17,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2018-11-23 15:48:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 15:48:17,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 143 transitions. [2018-11-23 15:48:17,953 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 143 transitions. Word has length 49 [2018-11-23 15:48:17,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:17,953 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 143 transitions. [2018-11-23 15:48:17,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-23 15:48:17,953 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 143 transitions. [2018-11-23 15:48:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 15:48:17,953 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:17,954 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:17,954 INFO L423 AbstractCegarLoop]: === Iteration 27 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:17,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:17,954 INFO L82 PathProgramCache]: Analyzing trace with hash 671111438, now seen corresponding path program 2 times [2018-11-23 15:48:17,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:17,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:17,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:17,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:17,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:18,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:18,170 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:18,177 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 15:48:18,197 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 15:48:18,197 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 15:48:18,199 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:18,235 INFO L478 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 [2018-11-23 15:48:18,236 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:18,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,238 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,241 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,241 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-11-23 15:48:18,257 INFO L478 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 29 treesize of output 24 [2018-11-23 15:48:18,258 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:18,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-23 15:48:18,259 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,262 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,265 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:18 [2018-11-23 15:48:18,283 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:18,284 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:18,284 INFO L478 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 [2018-11-23 15:48:18,284 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,289 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-11-23 15:48:18,307 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:18,309 INFO L478 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 [2018-11-23 15:48:18,309 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,320 INFO L478 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 25 treesize of output 23 [2018-11-23 15:48:18,322 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:18,323 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-23 15:48:18,324 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,327 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,333 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:49, output treesize:27 [2018-11-23 15:48:18,354 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-23 15:48:18,355 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-11-23 15:48:18,355 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,356 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,360 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:17 [2018-11-23 15:48:18,396 INFO L478 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 25 treesize of output 26 [2018-11-23 15:48:18,398 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-11-23 15:48:18,398 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,400 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,403 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2018-11-23 15:48:18,407 INFO L478 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 [2018-11-23 15:48:18,408 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:18,409 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,411 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,415 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,415 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-11-23 15:48:18,438 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-11-23 15:48:18,439 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:18,441 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-23 15:48:18,441 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,444 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,448 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. [2018-11-23 15:48:18,448 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:45, output treesize:26 [2018-11-23 15:48:18,491 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-11-23 15:48:18,492 INFO L478 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 [2018-11-23 15:48:18,492 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,496 INFO L478 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 [2018-11-23 15:48:18,496 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:18,499 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:28, output treesize:3 [2018-11-23 15:48:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:48:18,541 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:18,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 29 [2018-11-23 15:48:18,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-23 15:48:18,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-23 15:48:18,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2018-11-23 15:48:18,542 INFO L87 Difference]: Start difference. First operand 130 states and 143 transitions. Second operand 29 states. [2018-11-23 15:48:20,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:20,099 INFO L93 Difference]: Finished difference Result 229 states and 242 transitions. [2018-11-23 15:48:20,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-23 15:48:20,099 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 49 [2018-11-23 15:48:20,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:20,100 INFO L225 Difference]: With dead ends: 229 [2018-11-23 15:48:20,100 INFO L226 Difference]: Without dead ends: 219 [2018-11-23 15:48:20,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=510, Invalid=3272, Unknown=0, NotChecked=0, Total=3782 [2018-11-23 15:48:20,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-11-23 15:48:20,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 170. [2018-11-23 15:48:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-11-23 15:48:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 186 transitions. [2018-11-23 15:48:20,104 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 186 transitions. Word has length 49 [2018-11-23 15:48:20,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:20,104 INFO L480 AbstractCegarLoop]: Abstraction has 170 states and 186 transitions. [2018-11-23 15:48:20,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-23 15:48:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2018-11-23 15:48:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 15:48:20,105 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:20,105 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:20,105 INFO L423 AbstractCegarLoop]: === Iteration 28 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:20,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:20,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1177854721, now seen corresponding path program 3 times [2018-11-23 15:48:20,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:20,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:20,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:20,106 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 15:48:20,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:20,311 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:20,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:20,311 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:20,319 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 15:48:20,389 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-23 15:48:20,389 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 15:48:20,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:20,438 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,439 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,439 INFO L478 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 [2018-11-23 15:48:20,439 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,443 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-11-23 15:48:20,457 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:20,458 INFO L478 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 [2018-11-23 15:48:20,458 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,459 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,463 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,464 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-11-23 15:48:20,510 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,512 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-23 15:48:20,514 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:20,514 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,517 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,522 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:27 [2018-11-23 15:48:20,572 INFO L478 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 34 treesize of output 33 [2018-11-23 15:48:20,574 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,575 INFO L478 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 14 [2018-11-23 15:48:20,575 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,585 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:46, output treesize:27 [2018-11-23 15:48:20,589 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-23 15:48:20,591 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,592 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:48:20,592 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,598 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,604 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,604 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2018-11-23 15:48:20,628 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,629 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,629 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-23 15:48:20,629 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,635 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:35 [2018-11-23 15:48:20,659 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-11-23 15:48:20,661 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,663 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-11-23 15:48:20,663 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,668 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,674 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,674 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2018-11-23 15:48:20,743 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,756 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 76 [2018-11-23 15:48:20,758 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 77 [2018-11-23 15:48:20,758 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,783 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,785 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:48:20,794 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 68 [2018-11-23 15:48:20,795 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-11-23 15:48:20,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 15:48:20,846 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-23 15:48:20,846 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:72, output treesize:157 [2018-11-23 15:48:20,900 INFO L478 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 63 treesize of output 56 [2018-11-23 15:48:20,903 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,903 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,905 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,907 INFO L478 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 33 treesize of output 41 [2018-11-23 15:48:20,908 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,915 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:20,950 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,964 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 92 [2018-11-23 15:48:20,967 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:20,968 INFO L478 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 94 treesize of output 86 [2018-11-23 15:48:20,968 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,003 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,006 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,008 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:48:21,024 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 85 [2018-11-23 15:48:21,025 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-11-23 15:48:21,060 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 15:48:21,113 INFO L478 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 63 treesize of output 56 [2018-11-23 15:48:21,116 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,118 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,119 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,123 INFO L478 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 33 treesize of output 41 [2018-11-23 15:48:21,123 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,140 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,172 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-23 15:48:21,172 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:214, output treesize:205 [2018-11-23 15:48:21,250 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 84 [2018-11-23 15:48:21,253 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,258 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,263 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 78 [2018-11-23 15:48:21,263 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,302 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,303 INFO L478 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 81 treesize of output 96 [2018-11-23 15:48:21,304 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,386 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2018-11-23 15:48:21,388 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,389 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,389 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,391 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 66 [2018-11-23 15:48:21,392 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,400 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,453 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:48:21,453 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2018-11-23 15:48:21,455 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,457 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2018-11-23 15:48:21,457 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,468 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2018-11-23 15:48:21,513 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,513 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,514 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,516 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 66 [2018-11-23 15:48:21,516 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,524 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: 5 dim-0 vars, and 4 xjuncts. [2018-11-23 15:48:21,552 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 9 variables, input treesize:325, output treesize:272 [2018-11-23 15:48:21,777 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2018-11-23 15:48:21,883 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 44 [2018-11-23 15:48:21,885 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:48:21,885 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2018-11-23 15:48:21,886 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,893 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,894 INFO L478 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 30 treesize of output 16 [2018-11-23 15:48:21,894 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,898 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,931 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 72 [2018-11-23 15:48:21,933 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:48:21,934 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 54 [2018-11-23 15:48:21,934 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:21,955 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,957 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:21,967 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 62 [2018-11-23 15:48:21,968 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 8 xjuncts. [2018-11-23 15:48:22,005 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:48:22,006 INFO L478 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 62 treesize of output 64 [2018-11-23 15:48:22,006 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:22,027 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2018-11-23 15:48:22,027 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:22,047 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:22,048 INFO L478 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 34 treesize of output 27 [2018-11-23 15:48:22,048 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:22,055 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:22,062 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:22,062 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 9 variables, input treesize:160, output treesize:5 [2018-11-23 15:48:22,083 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:22,097 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:22,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20] total 33 [2018-11-23 15:48:22,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-23 15:48:22,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-23 15:48:22,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=983, Unknown=6, NotChecked=0, Total=1122 [2018-11-23 15:48:22,098 INFO L87 Difference]: Start difference. First operand 170 states and 186 transitions. Second operand 34 states. [2018-11-23 15:48:24,310 WARN L180 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 98 DAG size of output: 57 [2018-11-23 15:48:27,199 WARN L180 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2018-11-23 15:48:29,225 WARN L180 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 95 DAG size of output: 54 [2018-11-23 15:48:32,582 WARN L180 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 98 DAG size of output: 57 [2018-11-23 15:48:38,650 WARN L180 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2018-11-23 15:48:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:38,993 INFO L93 Difference]: Finished difference Result 245 states and 263 transitions. [2018-11-23 15:48:38,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-23 15:48:38,994 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 50 [2018-11-23 15:48:38,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:38,994 INFO L225 Difference]: With dead ends: 245 [2018-11-23 15:48:38,994 INFO L226 Difference]: Without dead ends: 245 [2018-11-23 15:48:38,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 33 SyntacticMatches, 6 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=474, Invalid=2578, Unknown=28, NotChecked=0, Total=3080 [2018-11-23 15:48:38,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-11-23 15:48:38,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 196. [2018-11-23 15:48:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-11-23 15:48:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 217 transitions. [2018-11-23 15:48:38,996 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 217 transitions. Word has length 50 [2018-11-23 15:48:38,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:38,997 INFO L480 AbstractCegarLoop]: Abstraction has 196 states and 217 transitions. [2018-11-23 15:48:38,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-23 15:48:38,997 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 217 transitions. [2018-11-23 15:48:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 15:48:38,997 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:38,997 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:38,997 INFO L423 AbstractCegarLoop]: === Iteration 29 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:38,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:38,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1177854720, now seen corresponding path program 2 times [2018-11-23 15:48:38,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:38,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:38,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:38,998 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 15:48:38,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:39,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:39,254 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:39,261 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 15:48:39,280 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 15:48:39,280 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 15:48:39,282 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:39,322 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,326 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,326 INFO L478 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 [2018-11-23 15:48:39,326 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,333 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-11-23 15:48:39,355 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:39,357 INFO L478 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 [2018-11-23 15:48:39,357 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,358 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,368 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:39,369 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:39,369 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,370 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,378 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,378 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-11-23 15:48:39,447 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,449 INFO L478 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 [2018-11-23 15:48:39,451 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:39,452 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,456 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,470 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,473 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-11-23 15:48:39,475 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:39,475 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,482 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,493 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,493 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:65, output treesize:57 [2018-11-23 15:48:39,528 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 44 [2018-11-23 15:48:39,531 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,532 INFO L478 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 26 treesize of output 37 [2018-11-23 15:48:39,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,540 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,558 INFO L478 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 54 treesize of output 53 [2018-11-23 15:48:39,560 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,561 INFO L478 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 14 [2018-11-23 15:48:39,561 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,567 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,578 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:102, output treesize:64 [2018-11-23 15:48:39,616 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-11-23 15:48:39,622 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,624 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-23 15:48:39,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,631 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,649 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2018-11-23 15:48:39,652 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,653 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:48:39,653 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,661 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,673 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,674 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:90, output treesize:86 [2018-11-23 15:48:39,714 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,716 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 21 [2018-11-23 15:48:39,716 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,734 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,735 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,736 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,736 INFO L478 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 [2018-11-23 15:48:39,737 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,752 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:97, output treesize:93 [2018-11-23 15:48:39,796 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-11-23 15:48:39,799 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,802 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 31 [2018-11-23 15:48:39,803 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,810 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,832 INFO L478 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 78 treesize of output 75 [2018-11-23 15:48:39,834 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,836 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,837 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 33 [2018-11-23 15:48:39,837 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,847 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,862 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:115, output treesize:87 [2018-11-23 15:48:39,972 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,973 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:39,979 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 109 [2018-11-23 15:48:39,980 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:39,981 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:39,993 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,011 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:40,016 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 57 [2018-11-23 15:48:40,018 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:40,018 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,024 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,039 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:40,039 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:137, output treesize:129 [2018-11-23 15:48:40,086 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:40,092 INFO L478 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 135 treesize of output 121 [2018-11-23 15:48:40,095 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:40,096 INFO L478 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 14 [2018-11-23 15:48:40,096 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,112 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,140 INFO L478 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 55 treesize of output 81 [2018-11-23 15:48:40,143 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:40,144 INFO L478 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 30 treesize of output 45 [2018-11-23 15:48:40,144 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,152 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,168 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:40,168 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:167, output treesize:129 [2018-11-23 15:48:40,178 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 140 [2018-11-23 15:48:40,181 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:40,182 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 47 [2018-11-23 15:48:40,183 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,200 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,227 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 80 [2018-11-23 15:48:40,229 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:40,231 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-11-23 15:48:40,231 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,239 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,257 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. [2018-11-23 15:48:40,257 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:200, output treesize:176 [2018-11-23 15:48:40,362 INFO L478 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 170 treesize of output 106 [2018-11-23 15:48:40,365 INFO L478 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 60 treesize of output 58 [2018-11-23 15:48:40,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,379 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:48:40,380 INFO L478 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 42 treesize of output 32 [2018-11-23 15:48:40,380 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,392 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:40,393 INFO L478 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 55 treesize of output 36 [2018-11-23 15:48:40,394 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:40,403 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:40,420 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2018-11-23 15:48:40,422 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:40,423 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-23 15:48:40,423 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,430 INFO L478 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 [2018-11-23 15:48:40,430 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,434 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:48:40,434 INFO L478 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 11 treesize of output 7 [2018-11-23 15:48:40,435 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,437 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:40,446 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:40,446 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:193, output treesize:21 [2018-11-23 15:48:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:40,551 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:40,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20] total 36 [2018-11-23 15:48:40,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-11-23 15:48:40,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-11-23 15:48:40,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1185, Unknown=9, NotChecked=0, Total=1332 [2018-11-23 15:48:40,552 INFO L87 Difference]: Start difference. First operand 196 states and 217 transitions. Second operand 37 states. [2018-11-23 15:48:44,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:44,836 INFO L93 Difference]: Finished difference Result 280 states and 298 transitions. [2018-11-23 15:48:44,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-23 15:48:44,836 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 50 [2018-11-23 15:48:44,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:44,837 INFO L225 Difference]: With dead ends: 280 [2018-11-23 15:48:44,837 INFO L226 Difference]: Without dead ends: 280 [2018-11-23 15:48:44,838 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 32 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1180 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=693, Invalid=4110, Unknown=27, NotChecked=0, Total=4830 [2018-11-23 15:48:44,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-11-23 15:48:44,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 195. [2018-11-23 15:48:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-23 15:48:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 215 transitions. [2018-11-23 15:48:44,841 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 215 transitions. Word has length 50 [2018-11-23 15:48:44,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:44,841 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 215 transitions. [2018-11-23 15:48:44,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-11-23 15:48:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 215 transitions. [2018-11-23 15:48:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 15:48:44,841 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:44,841 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:44,842 INFO L423 AbstractCegarLoop]: === Iteration 30 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:44,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:44,842 INFO L82 PathProgramCache]: Analyzing trace with hash 336884091, now seen corresponding path program 2 times [2018-11-23 15:48:44,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:44,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:44,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:44,843 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 15:48:44,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:45,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:45,168 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:45,175 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 15:48:45,195 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 15:48:45,195 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 15:48:45,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:45,232 INFO L478 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 [2018-11-23 15:48:45,233 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:45,233 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,234 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,238 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-11-23 15:48:45,257 INFO L478 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 29 treesize of output 24 [2018-11-23 15:48:45,258 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:45,260 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-23 15:48:45,260 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,263 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,266 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,266 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:18 [2018-11-23 15:48:45,288 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:45,289 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:45,290 INFO L478 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 [2018-11-23 15:48:45,290 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,295 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,295 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-11-23 15:48:45,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:45,318 INFO L478 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 [2018-11-23 15:48:45,318 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,331 INFO L478 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 25 treesize of output 23 [2018-11-23 15:48:45,334 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:45,335 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-23 15:48:45,335 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,339 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,347 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,348 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:54, output treesize:32 [2018-11-23 15:48:45,375 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-23 15:48:45,376 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-11-23 15:48:45,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,379 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,384 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:22 [2018-11-23 15:48:45,429 INFO L478 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 25 treesize of output 26 [2018-11-23 15:48:45,430 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-11-23 15:48:45,430 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,433 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,436 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,437 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:22 [2018-11-23 15:48:45,441 INFO L478 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 [2018-11-23 15:48:45,442 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:45,442 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,446 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,451 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,451 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2018-11-23 15:48:45,483 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:45,483 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:45,484 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-23 15:48:45,484 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,490 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:30 [2018-11-23 15:48:45,523 INFO L478 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 38 treesize of output 37 [2018-11-23 15:48:45,525 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:45,527 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-23 15:48:45,528 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,533 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,541 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 15:48:45,542 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 15:48:45,543 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,544 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,550 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:62, output treesize:36 [2018-11-23 15:48:45,575 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-23 15:48:45,577 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-11-23 15:48:45,577 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,578 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,583 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. [2018-11-23 15:48:45,583 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:45, output treesize:30 [2018-11-23 15:48:45,622 INFO L478 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 34 treesize of output 54 [2018-11-23 15:48:45,624 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2018-11-23 15:48:45,625 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,646 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 28 [2018-11-23 15:48:45,647 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 15:48:45,655 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:48:45,665 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-23 15:48:45,665 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:45, output treesize:40 [2018-11-23 15:48:45,710 INFO L478 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 [2018-11-23 15:48:45,711 INFO L478 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 [2018-11-23 15:48:45,711 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,712 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:45,713 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-23 15:48:45,747 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:48:45,761 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:45,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2018-11-23 15:48:45,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-23 15:48:45,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-23 15:48:45,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1002, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 15:48:45,763 INFO L87 Difference]: Start difference. First operand 195 states and 215 transitions. Second operand 34 states. [2018-11-23 15:48:47,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:48:47,826 INFO L93 Difference]: Finished difference Result 258 states and 275 transitions. [2018-11-23 15:48:47,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-23 15:48:47,826 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 52 [2018-11-23 15:48:47,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:48:47,826 INFO L225 Difference]: With dead ends: 258 [2018-11-23 15:48:47,826 INFO L226 Difference]: Without dead ends: 253 [2018-11-23 15:48:47,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=688, Invalid=4424, Unknown=0, NotChecked=0, Total=5112 [2018-11-23 15:48:47,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-11-23 15:48:47,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 192. [2018-11-23 15:48:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-11-23 15:48:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 212 transitions. [2018-11-23 15:48:47,831 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 212 transitions. Word has length 52 [2018-11-23 15:48:47,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:48:47,831 INFO L480 AbstractCegarLoop]: Abstraction has 192 states and 212 transitions. [2018-11-23 15:48:47,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-23 15:48:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 212 transitions. [2018-11-23 15:48:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 15:48:47,831 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:48:47,832 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:48:47,832 INFO L423 AbstractCegarLoop]: === Iteration 31 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:48:47,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:47,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1345999410, now seen corresponding path program 1 times [2018-11-23 15:48:47,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:47,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:47,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:47,833 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 15:48:47,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:48,075 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:48,075 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:48:48,075 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:48:48,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:48,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:48,112 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,113 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,114 INFO L478 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 [2018-11-23 15:48:48,114 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,118 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-23 15:48:48,123 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:48:48,125 INFO L478 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 [2018-11-23 15:48:48,125 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,133 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-11-23 15:48:48,160 INFO L478 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 [2018-11-23 15:48:48,161 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:48,161 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,164 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,168 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,168 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:24 [2018-11-23 15:48:48,189 INFO L478 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 34 treesize of output 33 [2018-11-23 15:48:48,191 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,192 INFO L478 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 14 [2018-11-23 15:48:48,192 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,196 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,200 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,200 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:24 [2018-11-23 15:48:48,202 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,203 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,203 INFO L478 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 [2018-11-23 15:48:48,203 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,210 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,210 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:33 [2018-11-23 15:48:48,234 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-23 15:48:48,236 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,237 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:48:48,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,242 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,249 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,249 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:45 [2018-11-23 15:48:48,309 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 66 [2018-11-23 15:48:48,311 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2018-11-23 15:48:48,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,335 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,342 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 47 [2018-11-23 15:48:48,343 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 15:48:48,359 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:48:48,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:48:48,375 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:68, output treesize:97 [2018-11-23 15:48:48,418 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,418 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,419 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,419 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 40 [2018-11-23 15:48:48,420 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,438 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,439 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,440 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,440 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 56 [2018-11-23 15:48:48,441 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:48:48,458 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:107, output treesize:93 [2018-11-23 15:48:48,515 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 83 [2018-11-23 15:48:48,519 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,522 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 81 [2018-11-23 15:48:48,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,572 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,581 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 64 [2018-11-23 15:48:48,582 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 15:48:48,642 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:48:48,683 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2018-11-23 15:48:48,685 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,686 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-11-23 15:48:48,687 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,695 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,722 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-23 15:48:48,723 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:125, output treesize:153 [2018-11-23 15:48:48,870 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,871 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,875 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 87 [2018-11-23 15:48:48,877 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:48,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,886 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,921 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:48,938 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 105 treesize of output 105 [2018-11-23 15:48:48,941 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 127 [2018-11-23 15:48:48,941 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:48,992 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 75 [2018-11-23 15:48:48,993 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-23 15:48:49,036 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-23 15:48:49,092 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,093 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 81 [2018-11-23 15:48:49,099 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:48:49,099 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:49,107 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:49,155 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 7 dim-0 vars, and 5 xjuncts. [2018-11-23 15:48:49,156 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:278, output treesize:349 [2018-11-23 15:48:49,267 INFO L478 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 80 treesize of output 72 [2018-11-23 15:48:49,269 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,269 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,270 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,273 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 61 [2018-11-23 15:48:49,273 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:49,282 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:49,392 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,402 INFO L478 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 88 treesize of output 82 [2018-11-23 15:48:49,405 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,406 INFO L478 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 14 [2018-11-23 15:48:49,406 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:49,415 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:49,503 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,508 INFO L478 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 92 treesize of output 86 [2018-11-23 15:48:49,510 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,511 INFO L478 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 14 [2018-11-23 15:48:49,512 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:49,520 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:49,597 INFO L478 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 71 treesize of output 64 [2018-11-23 15:48:49,599 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,600 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,601 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,603 INFO L478 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 29 treesize of output 37 [2018-11-23 15:48:49,603 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:49,613 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:49,675 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,693 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 112 treesize of output 108 [2018-11-23 15:48:49,696 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,697 INFO L478 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 119 treesize of output 111 [2018-11-23 15:48:49,698 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:49,739 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:49,754 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 85 [2018-11-23 15:48:49,755 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-23 15:48:49,799 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-23 15:48:49,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 5 dim-2 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-11-23 15:48:49,865 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 12 variables, input treesize:444, output treesize:462 [2018-11-23 15:48:50,011 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 80 [2018-11-23 15:48:50,012 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:50,014 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 47 [2018-11-23 15:48:50,014 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:50,022 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:50,283 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:48:50,285 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 74 [2018-11-23 15:48:50,287 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:50,289 INFO L478 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 35 treesize of output 35 [2018-11-23 15:48:50,289 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:50,297 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:50,496 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:50,497 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 78 [2018-11-23 15:48:50,499 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:50,501 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 54 [2018-11-23 15:48:50,502 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:50,510 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:48:50,678 INFO L478 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 103 treesize of output 78 [2018-11-23 15:48:50,680 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:50,681 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:50,681 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:50,683 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 98 [2018-11-23 15:48:50,683 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:50,694 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:50,846 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 74 [2018-11-23 15:48:50,848 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:50,849 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:50,849 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:50,851 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 66 [2018-11-23 15:48:50,851 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:50,862 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:50,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 102 [2018-11-23 15:48:50,995 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:51,006 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 113 [2018-11-23 15:48:51,007 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:48:51,065 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:51,067 INFO L478 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 114 treesize of output 129 [2018-11-23 15:48:51,067 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:51,101 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:48:51,229 INFO L478 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 115 treesize of output 84 [2018-11-23 15:48:51,231 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:51,232 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 47 [2018-11-23 15:48:51,232 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:51,241 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:51,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 7 dim-2 vars, End of recursive call: 21 dim-0 vars, and 8 xjuncts. [2018-11-23 15:48:51,324 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 24 variables, input treesize:748, output treesize:713 [2018-11-23 15:48:51,534 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 97 [2018-11-23 15:48:51,697 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 90 [2018-11-23 15:48:51,700 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 53 [2018-11-23 15:48:51,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:51,746 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 67 [2018-11-23 15:48:51,746 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:51,794 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 65 [2018-11-23 15:48:51,795 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:51,841 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:51,842 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 60 [2018-11-23 15:48:51,842 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:51,879 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 56 [2018-11-23 15:48:51,879 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:51,916 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:51,917 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:51,922 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 63 [2018-11-23 15:48:51,923 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-23 15:48:51,967 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:51,968 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-11-23 15:48:51,968 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,004 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:52,005 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:52,021 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 87 [2018-11-23 15:48:52,022 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 5 xjuncts. [2018-11-23 15:48:52,069 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2018-11-23 15:48:52,069 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,108 INFO L478 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 54 treesize of output 59 [2018-11-23 15:48:52,109 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 3 xjuncts. [2018-11-23 15:48:52,154 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 15:48:52,155 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,170 INFO L267 ElimStorePlain]: Start of recursive call 2: 12 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 61 [2018-11-23 15:48:52,207 INFO L478 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 33 treesize of output 25 [2018-11-23 15:48:52,207 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,215 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-11-23 15:48:52,215 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,220 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:52,221 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2018-11-23 15:48:52,222 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,224 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,251 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 52 [2018-11-23 15:48:52,253 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-11-23 15:48:52,253 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,261 INFO L478 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 [2018-11-23 15:48:52,262 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,268 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:52,269 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 20 [2018-11-23 15:48:52,270 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,274 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,295 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 59 [2018-11-23 15:48:52,297 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:52,298 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2018-11-23 15:48:52,298 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,306 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:52,307 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2018-11-23 15:48:52,307 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,312 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 15:48:52,312 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,314 INFO L267 ElimStorePlain]: Start of recursive call 22: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 18 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:48:52,325 INFO L202 ElimStorePlain]: Needed 25 recursive calls to eliminate 22 variables, input treesize:419, output treesize:5 [2018-11-23 15:48:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:52,375 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:48:52,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 32 [2018-11-23 15:48:52,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-23 15:48:52,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-23 15:48:52,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=926, Unknown=10, NotChecked=0, Total=1056 [2018-11-23 15:48:52,376 INFO L87 Difference]: Start difference. First operand 192 states and 212 transitions. Second operand 33 states. [2018-11-23 15:48:53,767 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2018-11-23 15:48:54,283 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2018-11-23 15:48:54,475 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2018-11-23 15:48:54,802 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2018-11-23 15:49:12,653 WARN L180 SmtUtils]: Spent 17.25 s on a formula simplification. DAG size of input: 178 DAG size of output: 151 [2018-11-23 15:49:13,020 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 104 [2018-11-23 15:49:14,271 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 107 [2018-11-23 15:49:14,428 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 103 [2018-11-23 15:49:14,733 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2018-11-23 15:49:15,101 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2018-11-23 15:49:15,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:49:15,196 INFO L93 Difference]: Finished difference Result 276 states and 300 transitions. [2018-11-23 15:49:15,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-23 15:49:15,196 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 53 [2018-11-23 15:49:15,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:49:15,197 INFO L225 Difference]: With dead ends: 276 [2018-11-23 15:49:15,197 INFO L226 Difference]: Without dead ends: 276 [2018-11-23 15:49:15,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 35 SyntacticMatches, 11 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1189 ImplicationChecksByTransitivity, 20.6s TimeCoverageRelationStatistics Valid=596, Invalid=3666, Unknown=28, NotChecked=0, Total=4290 [2018-11-23 15:49:15,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-11-23 15:49:15,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 218. [2018-11-23 15:49:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-23 15:49:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 243 transitions. [2018-11-23 15:49:15,200 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 243 transitions. Word has length 53 [2018-11-23 15:49:15,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:49:15,200 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 243 transitions. [2018-11-23 15:49:15,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-23 15:49:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 243 transitions. [2018-11-23 15:49:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 15:49:15,200 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:49:15,200 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:49:15,201 INFO L423 AbstractCegarLoop]: === Iteration 32 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:49:15,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:49:15,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1345999411, now seen corresponding path program 1 times [2018-11-23 15:49:15,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:49:15,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:49:15,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:49:15,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:49:15,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:49:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:49:15,561 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:49:15,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:49:15,561 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:49:15,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:49:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:49:15,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:49:15,597 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:15,599 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:15,600 INFO L478 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 [2018-11-23 15:49:15,600 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,610 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,610 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-11-23 15:49:15,636 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:49:15,639 INFO L478 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 [2018-11-23 15:49:15,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,642 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,657 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:49:15,659 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:15,659 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,661 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,668 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-11-23 15:49:15,731 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:15,734 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-11-23 15:49:15,735 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:15,735 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,740 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,753 INFO L478 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 [2018-11-23 15:49:15,755 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:15,755 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,759 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,766 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,766 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:54 [2018-11-23 15:49:15,797 INFO L478 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 54 treesize of output 53 [2018-11-23 15:49:15,799 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:15,801 INFO L478 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 14 [2018-11-23 15:49:15,801 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,808 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,825 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 44 [2018-11-23 15:49:15,827 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:15,828 INFO L478 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 26 treesize of output 37 [2018-11-23 15:49:15,828 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,833 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,842 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:99, output treesize:61 [2018-11-23 15:49:15,872 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:15,874 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 21 [2018-11-23 15:49:15,874 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,891 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:15,891 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:15,892 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:15,893 INFO L478 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 [2018-11-23 15:49:15,893 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,909 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,909 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:87 [2018-11-23 15:49:15,953 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-11-23 15:49:15,956 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:15,957 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-23 15:49:15,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,963 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:15,987 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 79 [2018-11-23 15:49:15,989 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:15,990 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:49:15,990 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,001 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,018 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,018 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:118, output treesize:111 [2018-11-23 15:49:16,109 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 65 [2018-11-23 15:49:16,111 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:16,111 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,153 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 136 [2018-11-23 15:49:16,155 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:16,155 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,170 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,187 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:16,188 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:157, output treesize:133 [2018-11-23 15:49:16,242 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,243 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,243 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,244 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,244 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 55 [2018-11-23 15:49:16,245 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,269 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 60 [2018-11-23 15:49:16,270 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:16,290 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:144, output treesize:135 [2018-11-23 15:49:16,347 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 69 [2018-11-23 15:49:16,350 INFO L478 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 [2018-11-23 15:49:16,350 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,357 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,387 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 113 [2018-11-23 15:49:16,389 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,391 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 81 [2018-11-23 15:49:16,391 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,406 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,426 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:16,426 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:157, output treesize:133 [2018-11-23 15:49:16,554 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,560 INFO L478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 73 [2018-11-23 15:49:16,561 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:16,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,569 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,593 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,594 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,602 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 182 [2018-11-23 15:49:16,605 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:16,605 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,628 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,649 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. [2018-11-23 15:49:16,649 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:207, output treesize:191 [2018-11-23 15:49:16,694 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,705 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 169 [2018-11-23 15:49:16,708 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,709 INFO L478 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 14 [2018-11-23 15:49:16,709 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,732 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,766 INFO L478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 97 [2018-11-23 15:49:16,768 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,769 INFO L478 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 30 treesize of output 45 [2018-11-23 15:49:16,770 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,778 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,799 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. [2018-11-23 15:49:16,799 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:229, output treesize:191 [2018-11-23 15:49:16,813 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 192 [2018-11-23 15:49:16,816 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,817 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 47 [2018-11-23 15:49:16,817 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,841 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 96 [2018-11-23 15:49:16,876 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:16,877 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-11-23 15:49:16,877 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,886 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:16,909 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:16,909 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:270, output treesize:246 [2018-11-23 15:49:17,030 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 141 [2018-11-23 15:49:17,033 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:17,034 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 6 [2018-11-23 15:49:17,034 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:17,052 INFO L478 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 [2018-11-23 15:49:17,052 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:17,068 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2018-11-23 15:49:17,069 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:17,083 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 60 [2018-11-23 15:49:17,084 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:17,098 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:17,117 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2018-11-23 15:49:17,118 INFO L478 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 [2018-11-23 15:49:17,119 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:17,126 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:17,127 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-23 15:49:17,128 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:17,132 INFO L478 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 [2018-11-23 15:49:17,132 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:17,133 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:17,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:17,144 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 7 variables, input treesize:260, output treesize:31 [2018-11-23 15:49:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:49:17,239 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:49:17,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22] total 39 [2018-11-23 15:49:17,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-11-23 15:49:17,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-11-23 15:49:17,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1381, Unknown=0, NotChecked=0, Total=1560 [2018-11-23 15:49:17,240 INFO L87 Difference]: Start difference. First operand 218 states and 243 transitions. Second operand 40 states. [2018-11-23 15:49:20,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:49:20,246 INFO L93 Difference]: Finished difference Result 315 states and 340 transitions. [2018-11-23 15:49:20,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-23 15:49:20,247 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 53 [2018-11-23 15:49:20,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:49:20,248 INFO L225 Difference]: With dead ends: 315 [2018-11-23 15:49:20,248 INFO L226 Difference]: Without dead ends: 315 [2018-11-23 15:49:20,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 34 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1479 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=687, Invalid=4425, Unknown=0, NotChecked=0, Total=5112 [2018-11-23 15:49:20,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-11-23 15:49:20,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 188. [2018-11-23 15:49:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-11-23 15:49:20,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 207 transitions. [2018-11-23 15:49:20,252 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 207 transitions. Word has length 53 [2018-11-23 15:49:20,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:49:20,252 INFO L480 AbstractCegarLoop]: Abstraction has 188 states and 207 transitions. [2018-11-23 15:49:20,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-11-23 15:49:20,252 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 207 transitions. [2018-11-23 15:49:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 15:49:20,252 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:49:20,253 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:49:20,253 INFO L423 AbstractCegarLoop]: === Iteration 33 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:49:20,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:49:20,253 INFO L82 PathProgramCache]: Analyzing trace with hash 408344296, now seen corresponding path program 2 times [2018-11-23 15:49:20,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:49:20,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:49:20,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:49:20,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:49:20,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:49:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:49:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:49:20,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:49:20,558 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:49:20,568 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 15:49:20,595 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 15:49:20,596 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 15:49:20,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:49:20,610 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:20,611 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:20,611 INFO L478 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 [2018-11-23 15:49:20,611 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,616 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-11-23 15:49:20,626 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:49:20,628 INFO L478 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 [2018-11-23 15:49:20,629 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,631 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,637 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,638 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2018-11-23 15:49:20,679 INFO L478 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 [2018-11-23 15:49:20,681 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:20,681 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,688 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,694 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:27 [2018-11-23 15:49:20,719 INFO L478 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 34 treesize of output 33 [2018-11-23 15:49:20,721 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:20,723 INFO L478 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 14 [2018-11-23 15:49:20,723 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,728 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,734 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,734 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:46, output treesize:27 [2018-11-23 15:49:20,739 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-23 15:49:20,741 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:20,743 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:49:20,743 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,748 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,754 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,754 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2018-11-23 15:49:20,779 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:20,780 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:20,780 INFO L478 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 [2018-11-23 15:49:20,780 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,789 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,789 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:45 [2018-11-23 15:49:20,818 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-11-23 15:49:20,820 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:20,822 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-11-23 15:49:20,822 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,827 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,836 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:51 [2018-11-23 15:49:20,921 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:20,934 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 83 [2018-11-23 15:49:20,936 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 90 [2018-11-23 15:49:20,937 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:20,967 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:20,968 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:49:20,978 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 68 [2018-11-23 15:49:20,979 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-11-23 15:49:21,010 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 15:49:21,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-23 15:49:21,038 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:90, output treesize:185 [2018-11-23 15:49:21,105 INFO L478 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 68 treesize of output 61 [2018-11-23 15:49:21,107 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,108 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,108 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,111 INFO L478 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 33 treesize of output 41 [2018-11-23 15:49:21,111 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:21,120 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:21,164 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,177 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 104 [2018-11-23 15:49:21,181 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,183 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,185 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:49:21,200 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 87 treesize of output 94 [2018-11-23 15:49:21,200 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-11-23 15:49:21,273 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,274 INFO L478 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 100 treesize of output 92 [2018-11-23 15:49:21,274 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:21,313 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 15:49:21,379 INFO L478 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 68 treesize of output 61 [2018-11-23 15:49:21,381 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,382 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,382 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,385 INFO L478 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 33 treesize of output 41 [2018-11-23 15:49:21,385 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:21,394 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:21,432 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-23 15:49:21,433 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:242, output treesize:234 [2018-11-23 15:49:21,514 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,516 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,517 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,518 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,519 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 121 [2018-11-23 15:49:21,519 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:21,575 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,576 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,576 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,577 INFO L478 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 60 treesize of output 82 [2018-11-23 15:49:21,577 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:21,635 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,636 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,637 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,637 INFO L478 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 60 treesize of output 82 [2018-11-23 15:49:21,638 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:21,696 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,696 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,697 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,697 INFO L478 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 60 treesize of output 82 [2018-11-23 15:49:21,698 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:21,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-23 15:49:21,754 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:278, output treesize:320 [2018-11-23 15:49:21,877 INFO L478 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 81 treesize of output 72 [2018-11-23 15:49:21,882 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,882 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,884 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:21,886 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 61 [2018-11-23 15:49:21,886 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:21,900 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:21,988 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:22,000 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 121 [2018-11-23 15:49:22,003 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:22,004 INFO L478 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 135 treesize of output 142 [2018-11-23 15:49:22,005 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:22,059 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:22,061 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:22,062 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:49:22,074 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 116 [2018-11-23 15:49:22,075 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-11-23 15:49:22,136 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 15:49:22,263 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:22,264 INFO L478 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 81 treesize of output 80 [2018-11-23 15:49:22,266 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:22,268 INFO L478 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 44 treesize of output 40 [2018-11-23 15:49:22,268 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:22,279 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:22,394 INFO L478 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 81 treesize of output 72 [2018-11-23 15:49:22,396 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:22,397 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:22,397 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:22,399 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 61 [2018-11-23 15:49:22,400 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:22,416 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:22,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 6 xjuncts. [2018-11-23 15:49:22,507 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 9 variables, input treesize:372, output treesize:557 [2018-11-23 15:49:22,695 INFO L478 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 115 treesize of output 92 [2018-11-23 15:49:22,697 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:22,697 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:22,707 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:22,750 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 207 treesize of output 143 [2018-11-23 15:49:22,752 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:22,752 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:22,768 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:22,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-11-23 15:49:22,798 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:323, output treesize:291 [2018-11-23 15:49:22,970 INFO L478 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 111 treesize of output 79 [2018-11-23 15:49:22,972 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:49:22,973 INFO L478 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 29 treesize of output 21 [2018-11-23 15:49:22,973 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:22,986 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:22,987 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 20 [2018-11-23 15:49:22,987 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:22,998 INFO L478 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 [2018-11-23 15:49:22,998 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:23,006 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:23,042 INFO L478 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 7 new quantified variables, introduced 1 case distinctions, treesize of input 199 treesize of output 124 [2018-11-23 15:49:23,044 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 96 [2018-11-23 15:49:23,045 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:23,083 INFO L478 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 99 treesize of output 94 [2018-11-23 15:49:23,083 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:23,120 INFO L478 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 90 treesize of output 85 [2018-11-23 15:49:23,121 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:23,155 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:23,156 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:23,157 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:23,163 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 100 [2018-11-23 15:49:23,164 INFO L267 ElimStorePlain]: Start of recursive call 10: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-11-23 15:49:23,229 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:49:23,229 INFO L478 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 85 treesize of output 75 [2018-11-23 15:49:23,229 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:23,284 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:49:23,285 INFO L478 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 77 treesize of output 67 [2018-11-23 15:49:23,285 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:23,287 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:49:23,287 INFO L478 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 78 treesize of output 70 [2018-11-23 15:49:23,288 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:23,337 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:23,338 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2018-11-23 15:49:23,339 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:23,381 INFO L267 ElimStorePlain]: Start of recursive call 6: 7 dim-1 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-11-23 15:49:23,433 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-2 vars, End of recursive call: 11 dim-0 vars, and 4 xjuncts. [2018-11-23 15:49:23,433 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 11 variables, input treesize:311, output treesize:159 [2018-11-23 15:49:23,534 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:49:23,549 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:49:23,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23] total 35 [2018-11-23 15:49:23,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-11-23 15:49:23,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-11-23 15:49:23,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1066, Unknown=14, NotChecked=0, Total=1260 [2018-11-23 15:49:23,550 INFO L87 Difference]: Start difference. First operand 188 states and 207 transitions. Second operand 36 states. [2018-11-23 15:49:25,603 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2018-11-23 15:49:26,204 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2018-11-23 15:49:26,535 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 95 [2018-11-23 15:49:28,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:49:28,428 INFO L93 Difference]: Finished difference Result 355 states and 383 transitions. [2018-11-23 15:49:28,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-11-23 15:49:28,429 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 53 [2018-11-23 15:49:28,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:49:28,429 INFO L225 Difference]: With dead ends: 355 [2018-11-23 15:49:28,429 INFO L226 Difference]: Without dead ends: 355 [2018-11-23 15:49:28,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 33 SyntacticMatches, 11 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2179 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1321, Invalid=5750, Unknown=69, NotChecked=0, Total=7140 [2018-11-23 15:49:28,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-11-23 15:49:28,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 219. [2018-11-23 15:49:28,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-23 15:49:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 243 transitions. [2018-11-23 15:49:28,433 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 243 transitions. Word has length 53 [2018-11-23 15:49:28,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:49:28,433 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 243 transitions. [2018-11-23 15:49:28,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-11-23 15:49:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 243 transitions. [2018-11-23 15:49:28,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 15:49:28,434 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:49:28,434 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:49:28,434 INFO L423 AbstractCegarLoop]: === Iteration 34 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:49:28,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:49:28,434 INFO L82 PathProgramCache]: Analyzing trace with hash 408344297, now seen corresponding path program 2 times [2018-11-23 15:49:28,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:49:28,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:49:28,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:49:28,435 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 15:49:28,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:49:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:49:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:49:28,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:49:28,809 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:49:28,815 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 15:49:28,838 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 15:49:28,838 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 15:49:28,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:49:28,843 INFO L478 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 [2018-11-23 15:49:28,845 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:28,845 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,847 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,850 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-11-23 15:49:28,870 INFO L478 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 29 treesize of output 24 [2018-11-23 15:49:28,871 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:28,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-23 15:49:28,873 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,875 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,878 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:18 [2018-11-23 15:49:28,900 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:28,901 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:28,901 INFO L478 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 [2018-11-23 15:49:28,902 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,907 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-11-23 15:49:28,929 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:49:28,930 INFO L478 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 [2018-11-23 15:49:28,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,932 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,944 INFO L478 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 25 treesize of output 23 [2018-11-23 15:49:28,946 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:28,947 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-23 15:49:28,947 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,950 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,957 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:54, output treesize:32 [2018-11-23 15:49:28,983 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-23 15:49:28,985 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-11-23 15:49:28,985 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,986 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,991 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:28,991 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:22 [2018-11-23 15:49:29,038 INFO L478 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 25 treesize of output 26 [2018-11-23 15:49:29,040 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-11-23 15:49:29,040 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,043 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,047 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:22 [2018-11-23 15:49:29,052 INFO L478 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 [2018-11-23 15:49:29,054 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:29,054 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,057 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,062 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,062 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2018-11-23 15:49:29,092 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-11-23 15:49:29,093 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:29,095 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-23 15:49:29,095 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,099 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,104 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,104 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:50, output treesize:31 [2018-11-23 15:49:29,110 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:29,110 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:29,111 INFO L478 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 [2018-11-23 15:49:29,111 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,119 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:40 [2018-11-23 15:49:29,156 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:49:29,158 INFO L478 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 [2018-11-23 15:49:29,158 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,160 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,174 INFO L478 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 34 treesize of output 33 [2018-11-23 15:49:29,176 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:29,177 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-23 15:49:29,177 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,182 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,189 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,190 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:66, output treesize:48 [2018-11-23 15:49:29,222 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-23 15:49:29,224 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 15:49:29,224 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,227 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,234 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. [2018-11-23 15:49:29,234 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:55, output treesize:40 [2018-11-23 15:49:29,314 INFO L478 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 34 treesize of output 54 [2018-11-23 15:49:29,315 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2018-11-23 15:49:29,316 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,338 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 28 [2018-11-23 15:49:29,338 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 15:49:29,347 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:49:29,359 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 2 xjuncts. [2018-11-23 15:49:29,360 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:55, output treesize:68 [2018-11-23 15:49:29,409 INFO L478 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 [2018-11-23 15:49:29,410 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:29,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,414 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,420 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2018-11-23 15:49:29,453 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:29,453 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:29,454 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:29,454 INFO L478 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 [2018-11-23 15:49:29,454 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,461 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:34 [2018-11-23 15:49:29,490 INFO L478 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 10 [2018-11-23 15:49:29,492 INFO L478 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 10 treesize of output 9 [2018-11-23 15:49:29,492 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,494 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,507 INFO L478 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 38 treesize of output 37 [2018-11-23 15:49:29,509 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:29,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-23 15:49:29,511 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,515 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,522 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:66, output treesize:46 [2018-11-23 15:49:29,553 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-11-23 15:49:29,555 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2018-11-23 15:49:29,555 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,558 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,563 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. [2018-11-23 15:49:29,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:55, output treesize:34 [2018-11-23 15:49:29,600 INFO L478 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 34 treesize of output 43 [2018-11-23 15:49:29,601 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-11-23 15:49:29,601 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,606 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:29,612 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:49, output treesize:26 [2018-11-23 15:49:29,671 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-11-23 15:49:29,672 INFO L478 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 [2018-11-23 15:49:29,672 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,677 INFO L478 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 [2018-11-23 15:49:29,678 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,678 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:29,681 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:28, output treesize:3 [2018-11-23 15:49:29,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:49:29,735 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:49:29,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24] total 42 [2018-11-23 15:49:29,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-11-23 15:49:29,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-11-23 15:49:29,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1546, Unknown=0, NotChecked=0, Total=1722 [2018-11-23 15:49:29,736 INFO L87 Difference]: Start difference. First operand 219 states and 243 transitions. Second operand 42 states. [2018-11-23 15:49:36,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:49:36,082 INFO L93 Difference]: Finished difference Result 491 states and 531 transitions. [2018-11-23 15:49:36,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-11-23 15:49:36,083 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 53 [2018-11-23 15:49:36,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:49:36,084 INFO L225 Difference]: With dead ends: 491 [2018-11-23 15:49:36,084 INFO L226 Difference]: Without dead ends: 457 [2018-11-23 15:49:36,085 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 33 SyntacticMatches, 5 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5604 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=2525, Invalid=15297, Unknown=0, NotChecked=0, Total=17822 [2018-11-23 15:49:36,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-11-23 15:49:36,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 219. [2018-11-23 15:49:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-23 15:49:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 242 transitions. [2018-11-23 15:49:36,089 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 242 transitions. Word has length 53 [2018-11-23 15:49:36,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:49:36,089 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 242 transitions. [2018-11-23 15:49:36,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-11-23 15:49:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 242 transitions. [2018-11-23 15:49:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 15:49:36,091 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:49:36,091 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:49:36,091 INFO L423 AbstractCegarLoop]: === Iteration 35 === [mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION]=== [2018-11-23 15:49:36,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:49:36,091 INFO L82 PathProgramCache]: Analyzing trace with hash -435470899, now seen corresponding path program 1 times [2018-11-23 15:49:36,091 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:49:36,091 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:49:36,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:49:36,092 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 15:49:36,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:49:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:49:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:49:36,492 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:49:36,492 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:49:36,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:49:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:49:36,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:49:36,529 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:36,529 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:36,530 INFO L478 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 [2018-11-23 15:49:36,530 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,534 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,534 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-11-23 15:49:36,559 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:49:36,560 INFO L478 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 [2018-11-23 15:49:36,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,571 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:49:36,572 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:36,572 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,574 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,580 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:41, output treesize:30 [2018-11-23 15:49:36,648 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:36,651 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-23 15:49:36,652 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:36,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,657 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,668 INFO L478 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 [2018-11-23 15:49:36,670 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:36,670 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,673 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,680 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,680 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-11-23 15:49:36,712 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2018-11-23 15:49:36,715 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:36,716 INFO L478 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 14 [2018-11-23 15:49:36,716 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,722 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,736 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 44 [2018-11-23 15:49:36,738 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:36,739 INFO L478 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 26 treesize of output 37 [2018-11-23 15:49:36,740 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,744 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,751 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,751 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:83, output treesize:45 [2018-11-23 15:49:36,754 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:36,754 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:36,755 INFO L478 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 [2018-11-23 15:49:36,755 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,764 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,765 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:54 [2018-11-23 15:49:36,801 INFO L478 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 39 treesize of output 38 [2018-11-23 15:49:36,804 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:36,805 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:49:36,805 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,812 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,830 INFO L478 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 32 treesize of output 38 [2018-11-23 15:49:36,833 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:36,835 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-23 15:49:36,835 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,841 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,852 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:36,852 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:80, output treesize:66 [2018-11-23 15:49:36,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 96 [2018-11-23 15:49:36,942 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:36,951 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 74 [2018-11-23 15:49:36,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-23 15:49:37,002 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 83 [2018-11-23 15:49:37,002 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,031 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:49:37,075 INFO L478 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 90 treesize of output 124 [2018-11-23 15:49:37,077 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 102 [2018-11-23 15:49:37,077 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,125 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,130 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2018-11-23 15:49:37,132 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:37,132 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 31 [2018-11-23 15:49:37,133 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,143 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,168 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:49:37,169 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:112, output treesize:165 [2018-11-23 15:49:37,237 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:37,238 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:37,238 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:37,239 INFO L478 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 97 treesize of output 90 [2018-11-23 15:49:37,239 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,270 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:37,270 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:37,271 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:37,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 70 [2018-11-23 15:49:37,271 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,299 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:49:37,299 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:175, output treesize:161 [2018-11-23 15:49:37,371 INFO L478 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 97 treesize of output 90 [2018-11-23 15:49:37,373 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:37,375 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-11-23 15:49:37,375 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,440 INFO L478 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 86 treesize of output 75 [2018-11-23 15:49:37,443 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:37,445 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 31 [2018-11-23 15:49:37,445 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,457 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,514 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 122 [2018-11-23 15:49:37,517 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:37,519 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 122 [2018-11-23 15:49:37,520 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,589 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:37,599 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 115 [2018-11-23 15:49:37,599 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-23 15:49:37,666 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 15:49:37,742 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 106 treesize of output 136 [2018-11-23 15:49:37,745 INFO L478 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 115 treesize of output 109 [2018-11-23 15:49:37,745 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,810 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 100 [2018-11-23 15:49:37,811 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-23 15:49:37,853 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:49:37,859 INFO L478 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 90 treesize of output 89 [2018-11-23 15:49:37,861 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2018-11-23 15:49:37,862 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,875 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:37,923 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-23 15:49:37,923 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 9 variables, input treesize:215, output treesize:209 [2018-11-23 15:49:38,148 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:38,149 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:38,154 INFO L478 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 132 [2018-11-23 15:49:38,156 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:38,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:38,174 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:38,279 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:38,284 INFO L478 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 143 treesize of output 180 [2018-11-23 15:49:38,287 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:38,287 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:38,306 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:38,386 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:38,403 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 147 treesize of output 135 [2018-11-23 15:49:38,417 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 115 treesize of output 107 [2018-11-23 15:49:38,419 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-23 15:49:38,524 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 143 [2018-11-23 15:49:38,524 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:38,584 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-23 15:49:38,706 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:38,709 INFO L478 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 112 treesize of output 121 [2018-11-23 15:49:38,710 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:38,711 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:38,723 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:38,824 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:38,829 INFO L478 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 100 [2018-11-23 15:49:38,830 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:38,831 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:38,842 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:38,932 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:38,932 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:38,937 INFO L478 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 119 treesize of output 115 [2018-11-23 15:49:38,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:49:38,939 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:38,954 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:39,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 6 dim-2 vars, End of recursive call: 7 dim-0 vars, and 5 xjuncts. [2018-11-23 15:49:39,033 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 10 variables, input treesize:371, output treesize:530 [2018-11-23 15:49:39,190 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:39,213 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 181 treesize of output 167 [2018-11-23 15:49:39,219 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:39,236 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 147 treesize of output 136 [2018-11-23 15:49:39,237 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-23 15:49:39,370 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:39,371 INFO L478 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 176 treesize of output 168 [2018-11-23 15:49:39,372 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:39,451 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-23 15:49:40,102 INFO L478 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 114 [2018-11-23 15:49:40,104 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:40,106 INFO L478 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 26 treesize of output 39 [2018-11-23 15:49:40,106 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:40,121 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:40,128 INFO L478 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 99 [2018-11-23 15:49:40,130 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:40,131 INFO L478 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 26 treesize of output 39 [2018-11-23 15:49:40,131 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:40,148 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:40,157 INFO L478 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 162 treesize of output 157 [2018-11-23 15:49:40,166 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:40,167 INFO L478 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 30 treesize of output 45 [2018-11-23 15:49:40,167 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:40,182 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:40,673 INFO L478 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 129 treesize of output 128 [2018-11-23 15:49:40,675 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:40,676 INFO L478 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 26 treesize of output 37 [2018-11-23 15:49:40,677 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:40,694 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:41,090 INFO L478 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 142 treesize of output 137 [2018-11-23 15:49:41,092 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:41,094 INFO L478 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 30 treesize of output 45 [2018-11-23 15:49:41,094 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:41,110 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:41,451 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:41,456 INFO L478 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 123 treesize of output 113 [2018-11-23 15:49:41,458 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:41,459 INFO L478 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 14 [2018-11-23 15:49:41,460 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:41,472 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:41,787 INFO L478 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 114 treesize of output 113 [2018-11-23 15:49:41,790 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:41,791 INFO L478 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 26 treesize of output 37 [2018-11-23 15:49:41,791 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:41,812 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:42,050 INFO L478 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 99 treesize of output 92 [2018-11-23 15:49:42,053 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:42,053 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:42,054 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:42,057 INFO L478 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 29 treesize of output 37 [2018-11-23 15:49:42,057 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:42,073 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:42,274 INFO L478 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 153 treesize of output 168 [2018-11-23 15:49:42,277 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:42,278 INFO L478 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 30 treesize of output 45 [2018-11-23 15:49:42,278 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:42,301 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:42,474 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:42,480 INFO L478 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 116 [2018-11-23 15:49:42,482 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:42,483 INFO L478 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 14 [2018-11-23 15:49:42,484 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:42,498 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:42,663 INFO L478 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 114 treesize of output 104 [2018-11-23 15:49:42,665 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:42,666 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:42,667 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:42,669 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2018-11-23 15:49:42,669 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:42,684 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:42,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 10 dim-2 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-11-23 15:49:42,798 INFO L202 ElimStorePlain]: Needed 26 recursive calls to eliminate 17 variables, input treesize:720, output treesize:705 [2018-11-23 15:49:42,999 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-11-23 15:49:43,007 INFO L478 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 89 treesize of output 88 [2018-11-23 15:49:43,007 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:43,189 INFO L478 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 113 treesize of output 112 [2018-11-23 15:49:43,189 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:43,344 INFO L478 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 89 treesize of output 88 [2018-11-23 15:49:43,345 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:43,494 INFO L478 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 152 treesize of output 151 [2018-11-23 15:49:43,494 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:43,638 INFO L478 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 104 treesize of output 103 [2018-11-23 15:49:43,639 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:43,789 INFO L478 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 116 treesize of output 115 [2018-11-23 15:49:43,789 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:43,935 INFO L478 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 104 treesize of output 103 [2018-11-23 15:49:43,935 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:44,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 7 dim-1 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-11-23 15:49:44,066 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 17 variables, input treesize:768, output treesize:761 [2018-11-23 15:49:44,313 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-11-23 15:49:44,331 INFO L478 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 126 treesize of output 121 [2018-11-23 15:49:44,334 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:44,334 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-23 15:49:44,334 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:44,356 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:45,756 INFO L478 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 126 treesize of output 121 [2018-11-23 15:49:45,759 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:45,759 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-23 15:49:45,759 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:45,780 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:46,825 INFO L478 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 116 [2018-11-23 15:49:46,827 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:46,830 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2018-11-23 15:49:46,830 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:46,847 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:49:47,747 INFO L478 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 116 [2018-11-23 15:49:47,750 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:47,750 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:47,751 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:47,754 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 83 [2018-11-23 15:49:47,754 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:47,774 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:48,558 INFO L478 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 135 treesize of output 141 [2018-11-23 15:49:48,560 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:48,561 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-11-23 15:49:48,561 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:48,581 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:49,187 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:49,193 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 125 [2018-11-23 15:49:49,195 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:49,196 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:49:49,197 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:49,214 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:49,762 INFO L478 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 138 treesize of output 145 [2018-11-23 15:49:49,764 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:49,765 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-11-23 15:49:49,765 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:49,787 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:50,219 INFO L478 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 134 treesize of output 120 [2018-11-23 15:49:50,222 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:50,223 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:49:50,223 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:50,240 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:50,615 INFO L478 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 111 treesize of output 122 [2018-11-23 15:49:50,618 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:50,618 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-23 15:49:50,618 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:50,649 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:50,951 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:50,956 INFO L478 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 112 [2018-11-23 15:49:50,959 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:50,959 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:50,960 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:50,962 INFO L478 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 23 treesize of output 46 [2018-11-23 15:49:50,963 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:50,984 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:51,255 INFO L478 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 111 treesize of output 106 [2018-11-23 15:49:51,258 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:51,260 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-23 15:49:51,260 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:51,284 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:51,519 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:51,540 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 174 treesize of output 160 [2018-11-23 15:49:51,544 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:51,545 INFO L478 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 195 treesize of output 202 [2018-11-23 15:49:51,545 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:51,649 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:51,666 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 118 treesize of output 136 [2018-11-23 15:49:51,668 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-23 15:49:51,784 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-23 15:49:52,100 INFO L478 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 111 treesize of output 104 [2018-11-23 15:49:52,102 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:52,105 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2018-11-23 15:49:52,106 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:52,123 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:52,376 INFO L478 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 108 treesize of output 107 [2018-11-23 15:49:52,379 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:52,379 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-23 15:49:52,379 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:52,400 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:52,407 INFO L478 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 123 treesize of output 122 [2018-11-23 15:49:52,409 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:52,409 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 33 [2018-11-23 15:49:52,410 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:52,429 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:52,439 INFO L478 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 170 treesize of output 183 [2018-11-23 15:49:52,441 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:49:52,442 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-11-23 15:49:52,442 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:52,464 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:52,658 INFO L267 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 14 dim-2 vars, End of recursive call: 14 dim-0 vars, and 9 xjuncts. [2018-11-23 15:49:52,658 INFO L202 ElimStorePlain]: Needed 34 recursive calls to eliminate 31 variables, input treesize:922, output treesize:1051 [2018-11-23 15:49:52,926 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 109 [2018-11-23 15:49:53,166 INFO L478 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 226 treesize of output 318 [2018-11-23 15:49:53,177 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 300 [2018-11-23 15:49:53,178 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:49:53,605 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:49:53,885 INFO L478 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 6 new quantified variables, introduced 9 case distinctions, treesize of input 198 treesize of output 186 [2018-11-23 15:49:53,886 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 15:49:53,901 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:50:01,047 INFO L478 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 172 treesize of output 148 [2018-11-23 15:50:01,048 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:50:10,121 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:50:10,132 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 186 treesize of output 218 [2018-11-23 15:50:10,134 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:50:13,369 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:50:13,380 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 148 treesize of output 144 [2018-11-23 15:50:13,381 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:50:17,245 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:50:20,478 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 194 [2018-11-23 15:50:20,478 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 15:50:27,899 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, 10 dim-1 vars, End of recursive call: 7 dim-0 vars, and 10 xjuncts. [2018-11-23 15:50:35,125 INFO L478 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 189 treesize of output 210 [2018-11-23 15:50:35,128 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 213 [2018-11-23 15:50:35,129 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 15:50:35,252 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:50:43,038 INFO L478 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 146 treesize of output 171 [2018-11-23 15:50:43,038 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 15:50:43,049 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-23 15:50:43,050 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-23 15:50:44,626 INFO L478 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 128 treesize of output 112 [2018-11-23 15:50:44,627 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:50:45,835 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:50:45,845 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 158 [2018-11-23 15:50:45,846 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:50:47,071 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:50:48,211 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:50:48,211 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-23 15:50:49,045 INFO L267 ElimStorePlain]: Start of recursive call 13: 10 dim-1 vars, End of recursive call: 3 dim-0 vars, and 7 xjuncts. [2018-11-23 15:51:11,604 INFO L478 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 6 new quantified variables, introduced 9 case distinctions, treesize of input 185 treesize of output 173 [2018-11-23 15:51:11,604 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 15:51:11,617 INFO L478 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 175 treesize of output 147 [2018-11-23 15:51:11,618 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:51:12,895 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:51:13,389 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:51:13,397 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 157 treesize of output 189 [2018-11-23 15:51:13,398 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:51:14,966 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:51:14,966 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-23 15:51:15,371 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 131 treesize of output 133 [2018-11-23 15:51:15,372 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-23 15:51:16,447 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:51:17,491 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:51:18,571 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:51:18,920 INFO L267 ElimStorePlain]: Start of recursive call 19: 17 dim-1 vars, End of recursive call: 7 dim-0 vars, and 11 xjuncts. [2018-11-23 15:51:58,202 INFO L478 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 140 treesize of output 121 [2018-11-23 15:51:58,204 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:51:58,206 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 52 [2018-11-23 15:51:58,207 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,227 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,237 INFO L478 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 140 treesize of output 121 [2018-11-23 15:51:58,240 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:51:58,242 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 52 [2018-11-23 15:51:58,242 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,264 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,301 INFO L478 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 142 treesize of output 170 [2018-11-23 15:51:58,309 INFO L478 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 152 treesize of output 153 [2018-11-23 15:51:58,309 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,526 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 138 [2018-11-23 15:51:58,526 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,599 INFO L267 ElimStorePlain]: Start of recursive call 32: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,603 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:51:58,607 INFO L478 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 147 treesize of output 157 [2018-11-23 15:51:58,609 INFO L478 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 39 treesize of output 44 [2018-11-23 15:51:58,609 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,629 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,635 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:51:58,637 INFO L478 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 148 treesize of output 158 [2018-11-23 15:51:58,639 INFO L478 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 39 treesize of output 44 [2018-11-23 15:51:58,639 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,656 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,662 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:51:58,664 INFO L478 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 142 treesize of output 122 [2018-11-23 15:51:58,667 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:51:58,667 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 45 [2018-11-23 15:51:58,667 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,685 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,689 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:51:58,694 INFO L478 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 109 treesize of output 115 [2018-11-23 15:51:58,696 INFO L478 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 32 [2018-11-23 15:51:58,696 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-23 15:51:58,712 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:52:14,383 INFO L478 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 8 new quantified variables, introduced 14 case distinctions, treesize of input 222 treesize of output 214 [2018-11-23 15:52:14,383 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 15:52:14,428 WARN L288 Elim1Store]: Array PQE input equivalent to false [2018-11-23 15:52:14,429 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-23 15:52:17,664 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:52:19,487 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:52:19,495 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 218 treesize of output 250 [2018-11-23 15:52:19,496 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:52:25,208 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 218 [2018-11-23 15:52:25,208 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-23 15:52:34,473 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:52:36,011 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:52:39,235 INFO L478 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 1 new quantified variables, introduced 6 case distinctions, treesize of input 143 treesize of output 157 [2018-11-23 15:52:39,238 INFO L267 ElimStorePlain]: Start of recursive call 50: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 14 xjuncts. [2018-11-23 15:52:41,220 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:52:46,128 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:52:47,692 INFO L478 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 175 treesize of output 151 [2018-11-23 15:52:47,692 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:52:49,243 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:52:50,862 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 168 treesize of output 155 [2018-11-23 15:52:50,864 INFO L267 ElimStorePlain]: Start of recursive call 55: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-11-23 15:52:55,925 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:52:57,609 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:53:00,964 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:53:04,273 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:53:07,813 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:53:18,176 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:53:21,602 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:53:21,636 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 10 case distinctions, treesize of input 143 treesize of output 194 [2018-11-23 15:53:21,636 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-23 15:53:21,660 INFO L267 ElimStorePlain]: Start of recursive call 62: 34 dim-0 vars, End of recursive call: 34 dim-0 vars, and 86 xjuncts. [2018-11-23 15:53:24,939 INFO L267 ElimStorePlain]: Start of recursive call 43: 40 dim-1 vars, End of recursive call: 23 dim-0 vars, and 32 xjuncts. [2018-11-23 15:54:15,675 INFO L478 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 192 treesize of output 157 [2018-11-23 15:54:15,678 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:54:15,680 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 64 [2018-11-23 15:54:15,680 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-23 15:54:15,701 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:54:15,704 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:54:15,709 INFO L478 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 202 treesize of output 166 [2018-11-23 15:54:15,711 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:54:15,711 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 53 [2018-11-23 15:54:15,712 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-23 15:54:15,731 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:54:15,737 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:54:15,739 INFO L478 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 207 treesize of output 221 [2018-11-23 15:54:15,741 INFO L478 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 47 treesize of output 56 [2018-11-23 15:54:15,741 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-23 15:54:15,764 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:54:15,798 INFO L478 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 194 treesize of output 226 [2018-11-23 15:54:15,803 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 214 [2018-11-23 15:54:15,804 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-23 15:54:15,980 INFO L267 ElimStorePlain]: Start of recursive call 69: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:54:15,990 INFO L478 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 204 treesize of output 169 [2018-11-23 15:54:15,992 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:54:15,994 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 68 [2018-11-23 15:54:15,994 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-23 15:54:16,017 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:54:16,020 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:54:16,025 INFO L478 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 206 treesize of output 220 [2018-11-23 15:54:16,027 INFO L478 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 47 treesize of output 56 [2018-11-23 15:54:16,027 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-23 15:54:16,052 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:54:16,061 INFO L478 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 130 treesize of output 133 [2018-11-23 15:54:16,063 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:54:16,063 INFO L478 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 26 treesize of output 43 [2018-11-23 15:54:16,063 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-23 15:54:16,086 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:54:16,089 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:54:16,094 INFO L478 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 195 treesize of output 229 [2018-11-23 15:54:16,096 INFO L478 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 47 treesize of output 56 [2018-11-23 15:54:16,096 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-23 15:54:16,123 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:54:16,132 INFO L478 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 167 treesize of output 182 [2018-11-23 15:54:16,135 INFO L478 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 30 treesize of output 48 [2018-11-23 15:54:16,135 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-23 15:54:16,161 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:54:16,164 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:54:16,168 INFO L478 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 145 treesize of output 155 [2018-11-23 15:54:16,170 INFO L478 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 39 treesize of output 44 [2018-11-23 15:54:16,171 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-11-23 15:54:16,187 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:54:30,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 8 dim-2 vars, End of recursive call: 182 dim-0 vars, and 60 xjuncts. [2018-11-23 15:54:30,803 INFO L202 ElimStorePlain]: Needed 82 recursive calls to eliminate 22 variables, input treesize:760, output treesize:10169 [2018-11-23 15:55:31,835 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-23 15:55:32,035 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:55:32,036 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:151) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:354) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 45 more [2018-11-23 15:55:32,038 INFO L168 Benchmark]: Toolchain (without parser) took 453818.17 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.3 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -209.6 MB). Peak memory consumption was 521.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:55:32,038 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:55:32,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:55:32,039 INFO L168 Benchmark]: Boogie Preprocessor took 42.95 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:55:32,039 INFO L168 Benchmark]: RCFGBuilder took 509.14 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: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:55:32,039 INFO L168 Benchmark]: TraceAbstraction took 452934.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.7 MB). Peak memory consumption was 485.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:55:32,040 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.95 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 509.14 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: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 452934.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.7 MB). Peak memory consumption was 485.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 15:55:33,286 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:55:33,287 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:55:33,294 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:55:33,294 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:55:33,295 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:55:33,296 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:55:33,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:55:33,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:55:33,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:55:33,299 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:55:33,299 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:55:33,300 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:55:33,301 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:55:33,302 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:55:33,303 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:55:33,303 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:55:33,304 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:55:33,306 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:55:33,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:55:33,308 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:55:33,309 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:55:33,311 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:55:33,311 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:55:33,311 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:55:33,312 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:55:33,312 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:55:33,313 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:55:33,313 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:55:33,315 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:55:33,315 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:55:33,315 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:55:33,316 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:55:33,316 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:55:33,316 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:55:33,317 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:55:33,318 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2018-11-23 15:55:33,328 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:55:33,328 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:55:33,329 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:55:33,329 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:55:33,329 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:55:33,329 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:55:33,330 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:55:33,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:55:33,330 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:55:33,330 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 15:55:33,330 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:55:33,330 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:55:33,330 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:55:33,330 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 15:55:33,330 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 15:55:33,331 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:55:33,331 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 15:55:33,331 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 15:55:33,331 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:55:33,331 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:55:33,331 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:55:33,331 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:55:33,331 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:55:33,332 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:55:33,332 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:55:33,332 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:55:33,332 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:55:33,332 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 15:55:33,332 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:55:33,332 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 15:55:33,332 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc [2018-11-23 15:55:33,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:55:33,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:55:33,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:55:33,373 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:55:33,373 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:55:33,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/../../sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-23 15:55:33,409 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/data/8180f1e27/1824c369511a40a5a1b2e08e243bff33/FLAGab0fe2b65 [2018-11-23 15:55:33,769 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:55:33,769 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-23 15:55:33,777 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/data/8180f1e27/1824c369511a40a5a1b2e08e243bff33/FLAGab0fe2b65 [2018-11-23 15:55:34,166 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/data/8180f1e27/1824c369511a40a5a1b2e08e243bff33 [2018-11-23 15:55:34,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:55:34,170 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-23 15:55:34,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:55:34,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:55:34,173 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:55:34,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:34" (1/1) ... [2018-11-23 15:55:34,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8eb79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34, skipping insertion in model container [2018-11-23 15:55:34,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:34" (1/1) ... [2018-11-23 15:55:34,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:55:34,214 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:55:34,421 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:55:34,432 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:55:34,470 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:55:34,507 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:55:34,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34 WrapperNode [2018-11-23 15:55:34,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:55:34,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:55:34,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:55:34,509 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:55:34,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34" (1/1) ... [2018-11-23 15:55:34,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34" (1/1) ... [2018-11-23 15:55:34,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34" (1/1) ... [2018-11-23 15:55:34,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34" (1/1) ... [2018-11-23 15:55:34,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34" (1/1) ... [2018-11-23 15:55:34,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34" (1/1) ... [2018-11-23 15:55:34,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34" (1/1) ... [2018-11-23 15:55:34,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:55:34,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:55:34,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:55:34,589 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:55:34,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/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 [2018-11-23 15:55:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:55:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:55:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:55:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-23 15:55:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-23 15:55:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-23 15:55:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-23 15:55:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-23 15:55:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-23 15:55:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-23 15:55:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-23 15:55:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-23 15:55:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-23 15:55:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-23 15:55:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-23 15:55:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-23 15:55:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-23 15:55:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-23 15:55:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-23 15:55:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-23 15:55:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-23 15:55:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-23 15:55:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-23 15:55:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-23 15:55:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-23 15:55:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-23 15:55:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-23 15:55:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-23 15:55:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-23 15:55:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-23 15:55:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-23 15:55:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-23 15:55:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-23 15:55:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-23 15:55:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-23 15:55:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-23 15:55:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-23 15:55:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-23 15:55:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-23 15:55:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-23 15:55:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-23 15:55:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-23 15:55:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-23 15:55:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-23 15:55:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-23 15:55:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-23 15:55:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-23 15:55:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-23 15:55:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-23 15:55:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-23 15:55:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-23 15:55:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-23 15:55:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-23 15:55:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-23 15:55:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-23 15:55:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-23 15:55:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-23 15:55:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-23 15:55:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-23 15:55:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-23 15:55:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-23 15:55:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-23 15:55:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-23 15:55:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-23 15:55:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-23 15:55:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-23 15:55:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:55:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-23 15:55:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-23 15:55:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-23 15:55:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-23 15:55:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-23 15:55:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-23 15:55:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-23 15:55:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-23 15:55:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-23 15:55:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-23 15:55:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-23 15:55:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-23 15:55:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-23 15:55:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-23 15:55:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-23 15:55:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-23 15:55:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-23 15:55:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-23 15:55:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-23 15:55:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-23 15:55:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-23 15:55:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-23 15:55:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-23 15:55:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-23 15:55:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-23 15:55:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-23 15:55:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-23 15:55:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-23 15:55:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-23 15:55:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-23 15:55:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-23 15:55:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-23 15:55:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-23 15:55:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-23 15:55:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-23 15:55:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-23 15:55:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-23 15:55:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-23 15:55:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-23 15:55:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-23 15:55:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-23 15:55:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:55:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:55:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 15:55:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 15:55:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 15:55:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 15:55:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:55:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:55:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:55:35,223 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:55:35,223 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 15:55:35,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:35 BoogieIcfgContainer [2018-11-23 15:55:35,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:55:35,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:55:35,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:55:35,227 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:55:35,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:55:34" (1/3) ... [2018-11-23 15:55:35,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15938aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:55:35, skipping insertion in model container [2018-11-23 15:55:35,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34" (2/3) ... [2018-11-23 15:55:35,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15938aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:55:35, skipping insertion in model container [2018-11-23 15:55:35,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:35" (3/3) ... [2018-11-23 15:55:35,229 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-23 15:55:35,238 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:55:35,245 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 57 error locations. [2018-11-23 15:55:35,257 INFO L257 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2018-11-23 15:55:35,276 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:55:35,277 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:55:35,277 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-23 15:55:35,277 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:55:35,277 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:55:35,277 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:55:35,277 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:55:35,277 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:55:35,278 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:55:35,287 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-11-23 15:55:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 15:55:35,292 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:35,293 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:35,295 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:35,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:35,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1239219364, now seen corresponding path program 1 times [2018-11-23 15:55:35,300 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:35,301 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:35,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:35,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:35,377 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:35,378 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:35,383 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:35,383 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-23 15:55:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:35,390 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:35,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:35,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:55:35,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:55:35,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:55:35,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:55:35,407 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 3 states. [2018-11-23 15:55:35,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:35,655 INFO L93 Difference]: Finished difference Result 120 states and 129 transitions. [2018-11-23 15:55:35,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:55:35,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 15:55:35,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:35,662 INFO L225 Difference]: With dead ends: 120 [2018-11-23 15:55:35,663 INFO L226 Difference]: Without dead ends: 116 [2018-11-23 15:55:35,664 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:55:35,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-23 15:55:35,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 111. [2018-11-23 15:55:35,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-23 15:55:35,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 120 transitions. [2018-11-23 15:55:35,693 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 120 transitions. Word has length 7 [2018-11-23 15:55:35,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:35,693 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 120 transitions. [2018-11-23 15:55:35,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:55:35,694 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 120 transitions. [2018-11-23 15:55:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 15:55:35,694 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:35,694 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:35,694 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:35,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:35,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1239219365, now seen corresponding path program 1 times [2018-11-23 15:55:35,695 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:35,695 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:35,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:35,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:35,734 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:35,735 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:35,746 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:35,746 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 15:55:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:35,754 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:35,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:35,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:55:35,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:55:35,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:55:35,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:55:35,758 INFO L87 Difference]: Start difference. First operand 111 states and 120 transitions. Second operand 3 states. [2018-11-23 15:55:36,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:36,010 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2018-11-23 15:55:36,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:55:36,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 15:55:36,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:36,012 INFO L225 Difference]: With dead ends: 107 [2018-11-23 15:55:36,012 INFO L226 Difference]: Without dead ends: 107 [2018-11-23 15:55:36,012 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:55:36,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-23 15:55:36,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2018-11-23 15:55:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-23 15:55:36,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 112 transitions. [2018-11-23 15:55:36,017 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 112 transitions. Word has length 7 [2018-11-23 15:55:36,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:36,017 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 112 transitions. [2018-11-23 15:55:36,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:55:36,018 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 112 transitions. [2018-11-23 15:55:36,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:55:36,018 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:36,018 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:36,019 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:36,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:36,019 INFO L82 PathProgramCache]: Analyzing trace with hash -739051991, now seen corresponding path program 1 times [2018-11-23 15:55:36,020 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:36,020 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:36,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:36,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:36,086 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-11-23 15:55:36,087 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:36,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:36,093 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:11 [2018-11-23 15:55:36,112 INFO L478 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 [2018-11-23 15:55:36,116 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:36,117 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:36,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:36,132 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:36,133 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-23 15:55:36,151 INFO L478 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 [2018-11-23 15:55:36,155 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-11-23 15:55:36,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:36,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:36,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:55:36,163 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:13 [2018-11-23 15:55:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:36,181 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:36,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:36,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:55:36,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:55:36,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:55:36,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:55:36,183 INFO L87 Difference]: Start difference. First operand 103 states and 112 transitions. Second operand 6 states. [2018-11-23 15:55:36,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:36,969 INFO L93 Difference]: Finished difference Result 195 states and 211 transitions. [2018-11-23 15:55:36,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:55:36,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-11-23 15:55:36,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:36,971 INFO L225 Difference]: With dead ends: 195 [2018-11-23 15:55:36,971 INFO L226 Difference]: Without dead ends: 195 [2018-11-23 15:55:36,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:55:36,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-11-23 15:55:36,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 102. [2018-11-23 15:55:36,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-23 15:55:36,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 111 transitions. [2018-11-23 15:55:36,978 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 111 transitions. Word has length 13 [2018-11-23 15:55:36,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:36,978 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 111 transitions. [2018-11-23 15:55:36,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:55:36,979 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2018-11-23 15:55:36,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:55:36,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:36,979 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:36,980 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:36,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:36,980 INFO L82 PathProgramCache]: Analyzing trace with hash -739051990, now seen corresponding path program 1 times [2018-11-23 15:55:36,980 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:36,981 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:36,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:37,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:37,028 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:37,028 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,033 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 15:55:37,059 INFO L478 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 [2018-11-23 15:55:37,063 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:37,064 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,067 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,086 INFO L478 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 [2018-11-23 15:55:37,089 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:37,090 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,093 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,103 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,103 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:23 [2018-11-23 15:55:37,118 INFO L478 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 [2018-11-23 15:55:37,121 INFO L478 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 [2018-11-23 15:55:37,121 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,134 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-23 15:55:37,136 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2018-11-23 15:55:37,136 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,138 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,141 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,141 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:41, output treesize:11 [2018-11-23 15:55:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:37,150 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:37,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:37,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:55:37,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:55:37,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:55:37,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:55:37,152 INFO L87 Difference]: Start difference. First operand 102 states and 111 transitions. Second operand 5 states. [2018-11-23 15:55:37,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:37,889 INFO L93 Difference]: Finished difference Result 183 states and 199 transitions. [2018-11-23 15:55:37,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:55:37,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-23 15:55:37,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:37,890 INFO L225 Difference]: With dead ends: 183 [2018-11-23 15:55:37,890 INFO L226 Difference]: Without dead ends: 183 [2018-11-23 15:55:37,891 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:55:37,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-11-23 15:55:37,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 101. [2018-11-23 15:55:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-23 15:55:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 110 transitions. [2018-11-23 15:55:37,896 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 110 transitions. Word has length 13 [2018-11-23 15:55:37,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:37,896 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 110 transitions. [2018-11-23 15:55:37,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:55:37,897 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2018-11-23 15:55:37,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 15:55:37,897 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:37,897 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:37,898 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:37,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:37,898 INFO L82 PathProgramCache]: Analyzing trace with hash 646705756, now seen corresponding path program 1 times [2018-11-23 15:55:37,898 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:37,898 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:37,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:37,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:37,942 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:37,943 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,944 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-23 15:55:37,954 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:37,955 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:37,956 INFO L478 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 19 treesize of output 23 [2018-11-23 15:55:37,956 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:37,963 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:55:37,963 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:16 [2018-11-23 15:55:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:37,977 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:37,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:37,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:55:37,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:55:37,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:55:37,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:55:37,980 INFO L87 Difference]: Start difference. First operand 101 states and 110 transitions. Second operand 5 states. [2018-11-23 15:55:38,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:38,376 INFO L93 Difference]: Finished difference Result 127 states and 139 transitions. [2018-11-23 15:55:38,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:55:38,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-23 15:55:38,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:38,377 INFO L225 Difference]: With dead ends: 127 [2018-11-23 15:55:38,377 INFO L226 Difference]: Without dead ends: 127 [2018-11-23 15:55:38,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:55:38,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-23 15:55:38,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 96. [2018-11-23 15:55:38,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-23 15:55:38,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2018-11-23 15:55:38,382 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 14 [2018-11-23 15:55:38,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:38,382 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2018-11-23 15:55:38,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:55:38,382 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2018-11-23 15:55:38,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 15:55:38,383 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:38,383 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:38,383 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:38,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:38,383 INFO L82 PathProgramCache]: Analyzing trace with hash 646705757, now seen corresponding path program 1 times [2018-11-23 15:55:38,384 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:38,384 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:38,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:38,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:38,433 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:38,433 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:38,440 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:38,441 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:38,445 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:38,445 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-11-23 15:55:38,468 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:38,469 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:38,469 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-23 15:55:38,470 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:38,481 INFO L478 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 12 treesize of output 15 [2018-11-23 15:55:38,482 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:38,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:55:38,489 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:18 [2018-11-23 15:55:38,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:38,502 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:38,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:38,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:55:38,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:55:38,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:55:38,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:55:38,504 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 5 states. [2018-11-23 15:55:39,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:39,056 INFO L93 Difference]: Finished difference Result 121 states and 134 transitions. [2018-11-23 15:55:39,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 15:55:39,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-23 15:55:39,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:39,057 INFO L225 Difference]: With dead ends: 121 [2018-11-23 15:55:39,057 INFO L226 Difference]: Without dead ends: 121 [2018-11-23 15:55:39,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:55:39,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-23 15:55:39,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 109. [2018-11-23 15:55:39,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-23 15:55:39,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 123 transitions. [2018-11-23 15:55:39,060 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 123 transitions. Word has length 14 [2018-11-23 15:55:39,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:39,060 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 123 transitions. [2018-11-23 15:55:39,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:55:39,060 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 123 transitions. [2018-11-23 15:55:39,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 15:55:39,061 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:39,061 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:39,061 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:39,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:39,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1212086945, now seen corresponding path program 1 times [2018-11-23 15:55:39,061 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:39,061 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:39,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:39,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:39,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-11-23 15:55:39,116 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:55:39,120 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-23 15:55:39,131 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:55:39,133 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:39,133 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,136 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,143 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,143 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:11 [2018-11-23 15:55:39,152 INFO L478 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 [2018-11-23 15:55:39,154 INFO L478 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 [2018-11-23 15:55:39,155 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,156 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,157 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,157 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2018-11-23 15:55:39,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:39,170 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:39,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:39,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:55:39,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:55:39,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:55:39,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:55:39,173 INFO L87 Difference]: Start difference. First operand 109 states and 123 transitions. Second operand 7 states. [2018-11-23 15:55:39,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:39,755 INFO L93 Difference]: Finished difference Result 152 states and 169 transitions. [2018-11-23 15:55:39,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:55:39,756 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-11-23 15:55:39,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:39,756 INFO L225 Difference]: With dead ends: 152 [2018-11-23 15:55:39,757 INFO L226 Difference]: Without dead ends: 152 [2018-11-23 15:55:39,757 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:55:39,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-23 15:55:39,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 108. [2018-11-23 15:55:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-23 15:55:39,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2018-11-23 15:55:39,759 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 17 [2018-11-23 15:55:39,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:39,760 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2018-11-23 15:55:39,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:55:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2018-11-23 15:55:39,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 15:55:39,760 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:39,760 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:39,761 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:39,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:39,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1212086944, now seen corresponding path program 1 times [2018-11-23 15:55:39,761 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:39,761 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:39,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:39,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:39,830 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:39,830 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,834 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,834 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 15:55:39,846 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:55:39,849 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:39,849 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,852 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:55:39,866 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:39,866 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,868 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,875 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2018-11-23 15:55:39,886 INFO L478 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 [2018-11-23 15:55:39,888 INFO L478 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 [2018-11-23 15:55:39,888 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,890 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,897 INFO L478 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 [2018-11-23 15:55:39,899 INFO L478 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 [2018-11-23 15:55:39,900 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,901 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,904 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:39,905 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:11 [2018-11-23 15:55:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:39,920 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:39,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:39,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:55:39,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:55:39,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:55:39,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:55:39,923 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand 6 states. [2018-11-23 15:55:40,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:40,496 INFO L93 Difference]: Finished difference Result 155 states and 177 transitions. [2018-11-23 15:55:40,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:55:40,497 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-23 15:55:40,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:40,497 INFO L225 Difference]: With dead ends: 155 [2018-11-23 15:55:40,497 INFO L226 Difference]: Without dead ends: 155 [2018-11-23 15:55:40,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-23 15:55:40,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-23 15:55:40,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 95. [2018-11-23 15:55:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-23 15:55:40,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2018-11-23 15:55:40,500 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 17 [2018-11-23 15:55:40,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:40,501 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2018-11-23 15:55:40,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:55:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2018-11-23 15:55:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 15:55:40,501 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:40,501 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:40,502 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:40,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:40,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1170287384, now seen corresponding path program 1 times [2018-11-23 15:55:40,502 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:40,502 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:40,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:40,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:40,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:40,547 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:40,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:40,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:55:40,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:55:40,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:55:40,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:55:40,549 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 4 states. [2018-11-23 15:55:40,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:40,727 INFO L93 Difference]: Finished difference Result 113 states and 126 transitions. [2018-11-23 15:55:40,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:55:40,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-11-23 15:55:40,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:40,727 INFO L225 Difference]: With dead ends: 113 [2018-11-23 15:55:40,727 INFO L226 Difference]: Without dead ends: 113 [2018-11-23 15:55:40,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:55:40,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-23 15:55:40,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 95. [2018-11-23 15:55:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-23 15:55:40,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 106 transitions. [2018-11-23 15:55:40,730 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 106 transitions. Word has length 19 [2018-11-23 15:55:40,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:40,730 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 106 transitions. [2018-11-23 15:55:40,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:55:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2018-11-23 15:55:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 15:55:40,731 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:40,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:40,731 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:40,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:40,731 INFO L82 PathProgramCache]: Analyzing trace with hash -2124381180, now seen corresponding path program 1 times [2018-11-23 15:55:40,731 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:40,732 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:40,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:40,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:40,799 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:40,800 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:40,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:40,801 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-23 15:55:40,809 INFO L478 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 [2018-11-23 15:55:40,812 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:40,812 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:40,816 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:40,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:40,824 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:13 [2018-11-23 15:55:40,835 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-23 15:55:40,837 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2018-11-23 15:55:40,837 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:40,838 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:40,839 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:40,839 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:7 [2018-11-23 15:55:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:40,844 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:40,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:40,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:55:40,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:55:40,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:55:40,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:55:40,846 INFO L87 Difference]: Start difference. First operand 95 states and 106 transitions. Second operand 5 states. [2018-11-23 15:55:41,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:41,533 INFO L93 Difference]: Finished difference Result 154 states and 174 transitions. [2018-11-23 15:55:41,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:55:41,533 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-23 15:55:41,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:41,534 INFO L225 Difference]: With dead ends: 154 [2018-11-23 15:55:41,534 INFO L226 Difference]: Without dead ends: 154 [2018-11-23 15:55:41,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:55:41,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-23 15:55:41,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 94. [2018-11-23 15:55:41,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-23 15:55:41,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 105 transitions. [2018-11-23 15:55:41,537 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 105 transitions. Word has length 23 [2018-11-23 15:55:41,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:41,537 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 105 transitions. [2018-11-23 15:55:41,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:55:41,538 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2018-11-23 15:55:41,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 15:55:41,539 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:41,540 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:41,540 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:41,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:41,540 INFO L82 PathProgramCache]: Analyzing trace with hash -2124381179, now seen corresponding path program 1 times [2018-11-23 15:55:41,540 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:41,540 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:41,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:41,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:41,650 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:41,650 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,655 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,655 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 15:55:41,689 INFO L478 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 [2018-11-23 15:55:41,693 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:41,694 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,699 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,721 INFO L478 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 [2018-11-23 15:55:41,725 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:41,725 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,729 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,749 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-11-23 15:55:41,769 INFO L478 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 [2018-11-23 15:55:41,787 INFO L478 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 [2018-11-23 15:55:41,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,798 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,845 INFO L478 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 [2018-11-23 15:55:41,848 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-11-23 15:55:41,849 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,851 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:41,856 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-11-23 15:55:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:41,866 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:41,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:41,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:55:41,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:55:41,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:55:41,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:55:41,868 INFO L87 Difference]: Start difference. First operand 94 states and 105 transitions. Second operand 5 states. [2018-11-23 15:55:42,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:42,483 INFO L93 Difference]: Finished difference Result 162 states and 182 transitions. [2018-11-23 15:55:42,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:55:42,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-23 15:55:42,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:42,484 INFO L225 Difference]: With dead ends: 162 [2018-11-23 15:55:42,484 INFO L226 Difference]: Without dead ends: 162 [2018-11-23 15:55:42,484 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:55:42,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-11-23 15:55:42,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 93. [2018-11-23 15:55:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-23 15:55:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 104 transitions. [2018-11-23 15:55:42,486 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 104 transitions. Word has length 23 [2018-11-23 15:55:42,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:42,487 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 104 transitions. [2018-11-23 15:55:42,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:55:42,487 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2018-11-23 15:55:42,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 15:55:42,487 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:42,488 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:42,488 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:42,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:42,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1865735256, now seen corresponding path program 1 times [2018-11-23 15:55:42,488 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:42,488 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:42,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:42,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:42,529 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:42,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:42,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:55:42,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:55:42,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:55:42,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:55:42,531 INFO L87 Difference]: Start difference. First operand 93 states and 104 transitions. Second operand 3 states. [2018-11-23 15:55:42,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:42,535 INFO L93 Difference]: Finished difference Result 95 states and 104 transitions. [2018-11-23 15:55:42,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:55:42,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-11-23 15:55:42,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:42,536 INFO L225 Difference]: With dead ends: 95 [2018-11-23 15:55:42,536 INFO L226 Difference]: Without dead ends: 93 [2018-11-23 15:55:42,537 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:55:42,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-23 15:55:42,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-11-23 15:55:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-23 15:55:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2018-11-23 15:55:42,539 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 24 [2018-11-23 15:55:42,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:42,540 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2018-11-23 15:55:42,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:55:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2018-11-23 15:55:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 15:55:42,540 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:42,540 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:42,541 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:42,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:42,541 INFO L82 PathProgramCache]: Analyzing trace with hash 264291269, now seen corresponding path program 1 times [2018-11-23 15:55:42,541 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:42,541 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:42,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:42,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:42,620 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:55:42,622 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:42,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,633 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:55:42,635 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:42,635 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,637 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,641 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,642 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2018-11-23 15:55:42,658 INFO L478 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 27 treesize of output 22 [2018-11-23 15:55:42,661 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:42,664 INFO L478 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 14 [2018-11-23 15:55:42,664 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,673 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,689 INFO L478 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 27 treesize of output 22 [2018-11-23 15:55:42,692 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:42,694 INFO L478 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 14 [2018-11-23 15:55:42,695 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,698 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,709 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,710 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:56, output treesize:18 [2018-11-23 15:55:42,716 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-23 15:55:42,720 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:42,722 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:55:42,722 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,730 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,747 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-23 15:55:42,751 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:42,752 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 15:55:42,752 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,758 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,767 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,767 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-11-23 15:55:42,797 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-23 15:55:42,799 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-23 15:55:42,800 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,802 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,810 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-23 15:55:42,812 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-23 15:55:42,813 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,814 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,817 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,817 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:7 [2018-11-23 15:55:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:42,834 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:55:42,881 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:55:42,890 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:55:42,945 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,947 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:42,974 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:55:42,984 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:55:43,001 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:43,003 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:43,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-23 15:55:43,008 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:97, output treesize:25 [2018-11-23 15:55:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:43,024 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:55:43,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2018-11-23 15:55:43,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:55:43,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:55:43,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:55:43,025 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 10 states. [2018-11-23 15:55:43,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:43,982 INFO L93 Difference]: Finished difference Result 163 states and 176 transitions. [2018-11-23 15:55:43,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 15:55:43,982 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2018-11-23 15:55:43,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:43,983 INFO L225 Difference]: With dead ends: 163 [2018-11-23 15:55:43,983 INFO L226 Difference]: Without dead ends: 163 [2018-11-23 15:55:43,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2018-11-23 15:55:43,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-11-23 15:55:43,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 130. [2018-11-23 15:55:43,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 15:55:43,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 144 transitions. [2018-11-23 15:55:43,988 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 144 transitions. Word has length 26 [2018-11-23 15:55:43,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:43,989 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 144 transitions. [2018-11-23 15:55:43,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:55:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 144 transitions. [2018-11-23 15:55:43,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 15:55:43,990 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:43,991 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:43,991 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:43,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:43,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1585419202, now seen corresponding path program 1 times [2018-11-23 15:55:43,992 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:43,992 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:44,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:44,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:44,067 INFO L478 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 [2018-11-23 15:55:44,069 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:44,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,071 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,074 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,074 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-11-23 15:55:44,102 INFO L478 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 [2018-11-23 15:55:44,104 INFO L478 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 [2018-11-23 15:55:44,104 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,105 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,106 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-23 15:55:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:55:44,113 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:44,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:44,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:55:44,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:55:44,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:55:44,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:55:44,116 INFO L87 Difference]: Start difference. First operand 130 states and 144 transitions. Second operand 6 states. [2018-11-23 15:55:44,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:44,510 INFO L93 Difference]: Finished difference Result 148 states and 162 transitions. [2018-11-23 15:55:44,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:55:44,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-11-23 15:55:44,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:44,511 INFO L225 Difference]: With dead ends: 148 [2018-11-23 15:55:44,511 INFO L226 Difference]: Without dead ends: 148 [2018-11-23 15:55:44,511 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:55:44,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-23 15:55:44,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 130. [2018-11-23 15:55:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 15:55:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 143 transitions. [2018-11-23 15:55:44,513 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 143 transitions. Word has length 33 [2018-11-23 15:55:44,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:44,513 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 143 transitions. [2018-11-23 15:55:44,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:55:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 143 transitions. [2018-11-23 15:55:44,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 15:55:44,514 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:44,514 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:44,514 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:44,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:44,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1903355212, now seen corresponding path program 1 times [2018-11-23 15:55:44,515 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:44,515 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:44,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:44,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:44,609 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:44,609 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,613 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 15:55:44,623 INFO L478 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 [2018-11-23 15:55:44,625 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:44,626 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,627 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,635 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2018-11-23 15:55:44,667 INFO L478 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 [2018-11-23 15:55:44,670 INFO L478 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 [2018-11-23 15:55:44,670 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,675 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:44,675 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:5 [2018-11-23 15:55:44,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:55:44,685 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 15:55:44,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:55:44,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:55:44,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:55:44,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:55:44,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:55:44,687 INFO L87 Difference]: Start difference. First operand 130 states and 143 transitions. Second operand 6 states. [2018-11-23 15:55:45,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:45,208 INFO L93 Difference]: Finished difference Result 136 states and 148 transitions. [2018-11-23 15:55:45,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:55:45,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-11-23 15:55:45,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:45,209 INFO L225 Difference]: With dead ends: 136 [2018-11-23 15:55:45,210 INFO L226 Difference]: Without dead ends: 136 [2018-11-23 15:55:45,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:55:45,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-23 15:55:45,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 130. [2018-11-23 15:55:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 15:55:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 142 transitions. [2018-11-23 15:55:45,212 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 142 transitions. Word has length 34 [2018-11-23 15:55:45,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:45,212 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 142 transitions. [2018-11-23 15:55:45,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:55:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 142 transitions. [2018-11-23 15:55:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 15:55:45,213 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:45,213 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:45,214 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:45,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:45,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1116882868, now seen corresponding path program 1 times [2018-11-23 15:55:45,214 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:45,214 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:45,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:45,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:45,297 INFO L478 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 19 treesize of output 16 [2018-11-23 15:55:45,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 1 [2018-11-23 15:55:45,299 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:45,300 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:45,301 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:45,301 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2018-11-23 15:55:45,362 INFO L478 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 [2018-11-23 15:55:45,363 INFO L478 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 [2018-11-23 15:55:45,363 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:45,364 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:45,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:45,365 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-23 15:55:45,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:45,375 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:55:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:45,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:55:45,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-23 15:55:45,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 15:55:45,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 15:55:45,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-11-23 15:55:45,470 INFO L87 Difference]: Start difference. First operand 130 states and 142 transitions. Second operand 14 states. [2018-11-23 15:55:46,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:55:46,322 INFO L93 Difference]: Finished difference Result 144 states and 154 transitions. [2018-11-23 15:55:46,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 15:55:46,323 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2018-11-23 15:55:46,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:55:46,323 INFO L225 Difference]: With dead ends: 144 [2018-11-23 15:55:46,323 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 15:55:46,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2018-11-23 15:55:46,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 15:55:46,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 131. [2018-11-23 15:55:46,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-23 15:55:46,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 143 transitions. [2018-11-23 15:55:46,325 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 143 transitions. Word has length 35 [2018-11-23 15:55:46,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:55:46,326 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 143 transitions. [2018-11-23 15:55:46,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 15:55:46,326 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2018-11-23 15:55:46,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 15:55:46,326 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:55:46,326 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:55:46,327 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:55:46,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:55:46,327 INFO L82 PathProgramCache]: Analyzing trace with hash -203157937, now seen corresponding path program 1 times [2018-11-23 15:55:46,327 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:55:46,327 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:55:46,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:55:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:55:46,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:55:46,429 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:46,429 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,432 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,432 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 15:55:46,451 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:46,452 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:46,453 INFO L478 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 19 treesize of output 23 [2018-11-23 15:55:46,453 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,464 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,464 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:25 [2018-11-23 15:55:46,484 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:55:46,486 INFO L478 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 [2018-11-23 15:55:46,487 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,489 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,509 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-11-23 15:55:46,564 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:46,570 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2018-11-23 15:55:46,572 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:55:46,573 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,586 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,597 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,597 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:39 [2018-11-23 15:55:46,631 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2018-11-23 15:55:46,635 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:46,638 INFO L478 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 14 [2018-11-23 15:55:46,638 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,646 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,657 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:39 [2018-11-23 15:55:46,676 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 46 [2018-11-23 15:55:46,681 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:46,684 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 35 [2018-11-23 15:55:46,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,702 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,717 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. [2018-11-23 15:55:46,717 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:57 [2018-11-23 15:55:46,792 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2018-11-23 15:55:46,794 INFO L478 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 28 treesize of output 25 [2018-11-23 15:55:46,795 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,806 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:55:46,809 INFO L478 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 30 treesize of output 16 [2018-11-23 15:55:46,809 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,813 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:46,818 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:55:46,818 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:59, output treesize:16 [2018-11-23 15:55:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:55:46,862 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:55:46,994 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:55:47,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:55:47,001 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:55:47,007 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:55:47,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-11-23 15:55:47,052 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:42, output treesize:94 [2018-11-23 15:55:49,226 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2018-11-23 15:56:03,350 WARN L180 SmtUtils]: Spent 12.05 s on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2018-11-23 15:56:09,449 WARN L180 SmtUtils]: Spent 6.02 s on a formula simplification that was a NOOP. DAG size: 30 [2018-11-23 15:56:16,801 WARN L180 SmtUtils]: Spent 6.03 s on a formula simplification that was a NOOP. DAG size: 35 [2018-11-23 15:56:16,818 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2018-11-23 15:56:16,860 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 15:56:16,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:16,912 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 36 [2018-11-23 15:56:16,931 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 36 [2018-11-23 15:56:17,008 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 43 [2018-11-23 15:56:17,010 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 15:56:17,038 INFO L478 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 3 case distinctions, treesize of input 31 treesize of output 41 [2018-11-23 15:56:17,041 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 15:56:17,052 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 28 [2018-11-23 15:56:17,052 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:17,219 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-23 15:56:17,219 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:17,231 INFO L478 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 27 treesize of output 27 [2018-11-23 15:56:17,231 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:56:17,363 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 9 xjuncts. [2018-11-23 15:56:17,530 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2018-11-23 15:56:17,531 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:17,678 INFO L478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2018-11-23 15:56:17,702 INFO L478 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 13 treesize of output 6 [2018-11-23 15:56:17,702 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:17,714 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2018-11-23 15:56:17,715 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:56:17,744 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-23 15:56:17,929 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: 7 dim-0 vars, and 12 xjuncts. [2018-11-23 15:56:17,986 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 55 [2018-11-23 15:56:18,044 INFO L478 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 59 [2018-11-23 15:56:18,468 WARN L180 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 105 [2018-11-23 15:56:18,470 INFO L478 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 32 treesize of output 24 [2018-11-23 15:56:18,471 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:18,776 INFO L478 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 2 case distinctions, treesize of input 34 treesize of output 30 [2018-11-23 15:56:18,777 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:18,802 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 32 [2018-11-23 15:56:18,802 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:19,098 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 28 [2018-11-23 15:56:19,098 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:19,384 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-11-23 15:56:19,385 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 15:56:19,417 INFO L478 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 3 case distinctions, treesize of input 28 treesize of output 38 [2018-11-23 15:56:19,418 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 15:56:19,765 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2018-11-23 15:56:19,766 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:56:19,773 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2018-11-23 15:56:19,774 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:56:20,300 INFO L478 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 1 case distinctions, treesize of input 30 treesize of output 24 [2018-11-23 15:56:20,300 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:20,311 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 22 [2018-11-23 15:56:20,312 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:20,496 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, 7 dim-1 vars, End of recursive call: 6 dim-0 vars, and 11 xjuncts. [2018-11-23 15:56:21,029 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 49 [2018-11-23 15:56:21,139 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-23 15:56:21,142 INFO L478 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 39 treesize of output 31 [2018-11-23 15:56:21,142 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:21,216 INFO L478 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 33 treesize of output 33 [2018-11-23 15:56:21,216 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:56:21,230 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2018-11-23 15:56:21,231 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:56:21,298 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-23 15:56:21,960 INFO L478 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 31 treesize of output 56 [2018-11-23 15:56:22,306 WARN L180 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 100 [2018-11-23 15:56:22,311 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 25 [2018-11-23 15:56:22,312 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:22,561 INFO L478 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 27 treesize of output 19 [2018-11-23 15:56:22,561 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:22,808 INFO L478 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 2 case distinctions, treesize of input 29 treesize of output 27 [2018-11-23 15:56:22,808 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:22,828 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 29 [2018-11-23 15:56:22,829 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:23,074 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 39 [2018-11-23 15:56:23,075 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 15:56:23,111 INFO L478 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 3 case distinctions, treesize of input 27 treesize of output 37 [2018-11-23 15:56:23,113 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 15:56:23,634 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2018-11-23 15:56:23,634 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:23,646 INFO L478 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 1 case distinctions, treesize of input 25 treesize of output 21 [2018-11-23 15:56:23,647 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:23,812 INFO L478 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 30 treesize of output 25 [2018-11-23 15:56:23,813 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:56:23,817 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2018-11-23 15:56:23,817 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:56:23,954 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, 7 dim-1 vars, End of recursive call: 6 dim-0 vars, and 11 xjuncts. [2018-11-23 15:56:24,754 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2018-11-23 15:56:24,754 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:56:25,567 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2018-11-23 15:56:25,642 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 38 [2018-11-23 15:56:25,643 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:56:25,646 INFO L478 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 37 treesize of output 31 [2018-11-23 15:56:25,646 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:25,660 INFO L478 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 36 treesize of output 36 [2018-11-23 15:56:25,661 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:56:25,828 INFO L478 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 3 case distinctions, treesize of input 40 treesize of output 50 [2018-11-23 15:56:25,830 INFO L267 ElimStorePlain]: Start of recursive call 47: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 15:56:25,843 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 37 [2018-11-23 15:56:25,844 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:26,007 INFO L267 ElimStorePlain]: Start of recursive call 43: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-11-23 15:56:27,036 INFO L478 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 59 [2018-11-23 15:56:27,410 WARN L180 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 100 [2018-11-23 15:56:27,431 INFO L478 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 33 treesize of output 35 [2018-11-23 15:56:27,432 INFO L267 ElimStorePlain]: Start of recursive call 50: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-23 15:56:27,454 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 37 [2018-11-23 15:56:27,455 INFO L267 ElimStorePlain]: Start of recursive call 51: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-23 15:56:28,184 INFO L478 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 26 treesize of output 18 [2018-11-23 15:56:28,184 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:28,474 INFO L478 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 1 case distinctions, treesize of input 32 treesize of output 28 [2018-11-23 15:56:28,474 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:28,484 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2018-11-23 15:56:28,485 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:28,957 INFO L478 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 33 treesize of output 28 [2018-11-23 15:56:28,957 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:56:28,967 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2018-11-23 15:56:28,967 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:56:29,218 INFO L478 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 2 case distinctions, treesize of input 32 treesize of output 30 [2018-11-23 15:56:29,218 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:29,241 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 32 [2018-11-23 15:56:29,241 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:29,406 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, 7 dim-1 vars, End of recursive call: 6 dim-0 vars, and 12 xjuncts. [2018-11-23 15:56:30,635 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2018-11-23 15:56:30,636 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:56:31,920 INFO L478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 41 [2018-11-23 15:56:31,972 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2018-11-23 15:56:31,973 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:56:31,978 INFO L478 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 13 treesize of output 6 [2018-11-23 15:56:31,978 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:32,030 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-23 15:56:33,392 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-23 15:56:33,392 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:33,395 INFO L478 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 28 treesize of output 22 [2018-11-23 15:56:33,396 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:33,399 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2018-11-23 15:56:33,399 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:33,402 INFO L478 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 30 treesize of output 24 [2018-11-23 15:56:33,402 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:34,717 INFO L478 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 38 treesize of output 32 [2018-11-23 15:56:34,717 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:34,721 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2018-11-23 15:56:34,721 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:34,726 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-11-23 15:56:34,726 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:35,984 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2018-11-23 15:56:35,985 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:56:37,236 INFO L478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2018-11-23 15:56:37,275 INFO L478 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 13 treesize of output 6 [2018-11-23 15:56:37,275 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:37,286 INFO L478 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 1 case distinctions, treesize of input 16 treesize of output 16 [2018-11-23 15:56:37,286 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:56:37,320 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-23 15:56:38,520 INFO L478 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 59 [2018-11-23 15:56:38,892 WARN L180 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 107 [2018-11-23 15:56:38,903 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 26 [2018-11-23 15:56:38,903 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:39,203 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 28 [2018-11-23 15:56:39,203 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:39,218 INFO L478 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 1 case distinctions, treesize of input 36 treesize of output 30 [2018-11-23 15:56:39,218 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:39,509 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 30 [2018-11-23 15:56:39,510 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:39,749 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2018-11-23 15:56:39,750 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:56:39,755 INFO L478 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 33 treesize of output 28 [2018-11-23 15:56:39,756 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:56:39,993 INFO L478 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 2 case distinctions, treesize of input 36 treesize of output 32 [2018-11-23 15:56:39,993 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:40,013 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 34 [2018-11-23 15:56:40,013 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 2 xjuncts. [2018-11-23 15:56:40,197 INFO L478 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 3 case distinctions, treesize of input 30 treesize of output 40 [2018-11-23 15:56:40,198 INFO L267 ElimStorePlain]: Start of recursive call 83: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 15:56:40,238 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 42 [2018-11-23 15:56:40,239 INFO L267 ElimStorePlain]: Start of recursive call 84: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 15:56:40,439 INFO L478 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 26 treesize of output 18 [2018-11-23 15:56:40,439 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:40,616 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-0 vars, 7 dim-1 vars, End of recursive call: 6 dim-0 vars, and 11 xjuncts. [2018-11-23 15:56:42,099 INFO L267 ElimStorePlain]: Start of recursive call 15: 13 dim-1 vars, End of recursive call: 47 dim-0 vars, and 46 xjuncts. [2018-11-23 15:56:42,118 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2018-11-23 15:56:42,121 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-11-23 15:56:42,121 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:56:42,144 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2018-11-23 15:56:42,145 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-11-23 15:56:42,173 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-11-23 15:56:42,174 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:56:42,200 INFO L267 ElimStorePlain]: Start of recursive call 86: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 15:56:44,513 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 56 dim-0 vars, and 56 xjuncts. [2018-11-23 15:56:47,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 81 dim-0 vars, and 56 xjuncts. [2018-11-23 15:56:47,329 INFO L202 ElimStorePlain]: Needed 89 recursive calls to eliminate 3 variables, input treesize:57, output treesize:1114 [2018-11-23 15:56:47,761 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 32 [2018-11-23 15:56:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:56:47,974 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:56:47,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2018-11-23 15:56:47,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-23 15:56:47,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-23 15:56:47,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=492, Unknown=2, NotChecked=0, Total=600 [2018-11-23 15:56:47,975 INFO L87 Difference]: Start difference. First operand 131 states and 143 transitions. Second operand 25 states. [2018-11-23 15:57:02,594 WARN L180 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 69 DAG size of output: 41 [2018-11-23 15:57:20,763 WARN L180 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2018-11-23 15:57:23,304 WARN L180 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2018-11-23 15:57:35,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:57:35,750 INFO L93 Difference]: Finished difference Result 217 states and 232 transitions. [2018-11-23 15:57:35,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-23 15:57:35,750 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 35 [2018-11-23 15:57:35,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:57:35,751 INFO L225 Difference]: With dead ends: 217 [2018-11-23 15:57:35,751 INFO L226 Difference]: Without dead ends: 217 [2018-11-23 15:57:35,751 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 39.7s TimeCoverageRelationStatistics Valid=329, Invalid=1150, Unknown=3, NotChecked=0, Total=1482 [2018-11-23 15:57:35,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-11-23 15:57:35,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 155. [2018-11-23 15:57:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-23 15:57:35,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 172 transitions. [2018-11-23 15:57:35,755 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 172 transitions. Word has length 35 [2018-11-23 15:57:35,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:57:35,755 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 172 transitions. [2018-11-23 15:57:35,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-23 15:57:35,756 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 172 transitions. [2018-11-23 15:57:35,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 15:57:35,756 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:57:35,756 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:57:35,757 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:57:35,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:57:35,757 INFO L82 PathProgramCache]: Analyzing trace with hash -203157936, now seen corresponding path program 1 times [2018-11-23 15:57:35,757 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:57:35,757 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:57:35,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:57:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:57:35,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:57:35,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:57:35,873 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:35,876 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:35,876 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 15:57:35,884 INFO L478 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 [2018-11-23 15:57:35,886 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:57:35,886 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:35,888 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:35,893 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:35,893 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2018-11-23 15:57:35,905 INFO L478 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 29 treesize of output 24 [2018-11-23 15:57:35,908 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:57:35,910 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-23 15:57:35,911 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:35,914 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:35,919 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:35,919 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:20 [2018-11-23 15:57:35,933 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:57:35,934 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:57:35,935 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-23 15:57:35,935 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:35,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:35,944 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:23 [2018-11-23 15:57:35,972 INFO L478 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 25 treesize of output 23 [2018-11-23 15:57:35,977 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:57:35,980 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-23 15:57:35,980 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:35,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,006 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 15:57:36,008 INFO L478 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 [2018-11-23 15:57:36,009 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,011 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,023 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,023 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:49, output treesize:27 [2018-11-23 15:57:36,044 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-23 15:57:36,045 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-11-23 15:57:36,046 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,047 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,053 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,053 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:17 [2018-11-23 15:57:36,094 INFO L478 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 25 treesize of output 26 [2018-11-23 15:57:36,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-11-23 15:57:36,097 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,101 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,107 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2018-11-23 15:57:36,116 INFO L478 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 [2018-11-23 15:57:36,119 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:57:36,119 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,130 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,143 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,143 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-11-23 15:57:36,183 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-11-23 15:57:36,188 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:57:36,191 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-23 15:57:36,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,201 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,212 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. [2018-11-23 15:57:36,212 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:45, output treesize:26 [2018-11-23 15:57:36,282 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-11-23 15:57:36,284 INFO L478 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 [2018-11-23 15:57:36,284 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,293 INFO L478 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 [2018-11-23 15:57:36,293 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,299 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:36,299 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:28, output treesize:3 [2018-11-23 15:57:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:57:36,332 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:57:36,406 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:36,413 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:36,418 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:36,419 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:33, output treesize:20 [2018-11-23 15:57:36,629 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:36,639 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:36,639 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:36,650 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:36,678 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-11-23 15:57:36,678 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:53 [2018-11-23 15:57:37,067 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:37,079 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:37,080 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:37,090 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:37,091 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:37,098 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:37,150 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 3 xjuncts. [2018-11-23 15:57:37,150 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:37, output treesize:47 [2018-11-23 15:57:41,342 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 29 [2018-11-23 15:57:41,400 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:41,401 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:41,440 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:41,447 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:57:41,458 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 2 xjuncts. [2018-11-23 15:57:41,458 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:70, output treesize:29 [2018-11-23 15:57:43,505 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-23 15:57:43,505 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:57:43,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:57:43,506 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:6 [2018-11-23 15:57:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:57:43,534 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:57:43,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 26 [2018-11-23 15:57:43,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-23 15:57:43,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-23 15:57:43,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=549, Unknown=1, NotChecked=0, Total=650 [2018-11-23 15:57:43,535 INFO L87 Difference]: Start difference. First operand 155 states and 172 transitions. Second operand 26 states. [2018-11-23 15:57:50,400 WARN L180 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-11-23 15:57:51,057 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2018-11-23 15:57:51,480 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2018-11-23 15:57:59,745 WARN L180 SmtUtils]: Spent 8.08 s on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2018-11-23 15:58:08,366 WARN L180 SmtUtils]: Spent 8.10 s on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2018-11-23 15:58:10,590 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2018-11-23 15:58:10,869 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2018-11-23 15:58:11,291 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2018-11-23 15:58:12,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:58:12,920 INFO L93 Difference]: Finished difference Result 243 states and 267 transitions. [2018-11-23 15:58:12,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-23 15:58:12,920 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 35 [2018-11-23 15:58:12,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:58:12,921 INFO L225 Difference]: With dead ends: 243 [2018-11-23 15:58:12,921 INFO L226 Difference]: Without dead ends: 203 [2018-11-23 15:58:12,921 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 32.6s TimeCoverageRelationStatistics Valid=790, Invalid=2631, Unknown=1, NotChecked=0, Total=3422 [2018-11-23 15:58:12,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-11-23 15:58:12,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 144. [2018-11-23 15:58:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 15:58:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 162 transitions. [2018-11-23 15:58:12,924 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 162 transitions. Word has length 35 [2018-11-23 15:58:12,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:58:12,925 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 162 transitions. [2018-11-23 15:58:12,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-23 15:58:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 162 transitions. [2018-11-23 15:58:12,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 15:58:12,925 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:58:12,925 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:58:12,926 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:58:12,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:58:12,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1017056513, now seen corresponding path program 1 times [2018-11-23 15:58:12,926 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:58:12,926 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:58:12,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:58:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:58:13,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:58:13,068 INFO L478 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 [2018-11-23 15:58:13,069 INFO L478 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 [2018-11-23 15:58:13,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:13,070 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:13,071 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:13,071 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-23 15:58:13,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:58:13,079 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:58:13,161 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-11-23 15:58:13,164 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-11-23 15:58:13,164 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:13,193 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2018-11-23 15:58:13,193 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 15:58:13,203 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-11-23 15:58:13,203 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:13,208 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 15:58:13,213 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-23 15:58:13,214 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-11-23 15:58:13,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:58:13,226 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:58:13,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2018-11-23 15:58:13,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 15:58:13,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 15:58:13,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:58:13,227 INFO L87 Difference]: Start difference. First operand 144 states and 162 transitions. Second operand 13 states. [2018-11-23 15:58:14,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:58:14,220 INFO L93 Difference]: Finished difference Result 162 states and 180 transitions. [2018-11-23 15:58:14,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 15:58:14,221 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2018-11-23 15:58:14,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:58:14,222 INFO L225 Difference]: With dead ends: 162 [2018-11-23 15:58:14,222 INFO L226 Difference]: Without dead ends: 162 [2018-11-23 15:58:14,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2018-11-23 15:58:14,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-11-23 15:58:14,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 144. [2018-11-23 15:58:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 15:58:14,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 161 transitions. [2018-11-23 15:58:14,225 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 161 transitions. Word has length 36 [2018-11-23 15:58:14,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:58:14,225 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 161 transitions. [2018-11-23 15:58:14,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 15:58:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 161 transitions. [2018-11-23 15:58:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 15:58:14,226 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:58:14,226 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:58:14,230 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:58:14,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:58:14,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1463980625, now seen corresponding path program 1 times [2018-11-23 15:58:14,230 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:58:14,230 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 21 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:58:14,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:58:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:58:14,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:58:14,313 INFO L478 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 [2018-11-23 15:58:14,313 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:14,314 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:14,314 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-11-23 15:58:14,403 INFO L478 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 [2018-11-23 15:58:14,405 INFO L478 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 [2018-11-23 15:58:14,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:14,406 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:14,410 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:14,410 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:5 [2018-11-23 15:58:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:58:14,424 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:58:14,523 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2018-11-23 15:58:14,526 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-11-23 15:58:14,526 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:58:14,567 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2018-11-23 15:58:14,568 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:58:14,592 INFO L478 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 [2018-11-23 15:58:14,592 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:14,605 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 15:58:14,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 15:58:14,618 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:22, output treesize:32 [2018-11-23 15:58:14,668 WARN L288 Elim1Store]: Array PQE input equivalent to true [2018-11-23 15:58:14,668 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:14,669 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:14,669 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:1 [2018-11-23 15:58:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:58:14,673 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:58:14,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2018-11-23 15:58:14,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 15:58:14,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 15:58:14,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-11-23 15:58:14,674 INFO L87 Difference]: Start difference. First operand 144 states and 161 transitions. Second operand 16 states. [2018-11-23 15:58:15,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:58:15,758 INFO L93 Difference]: Finished difference Result 156 states and 172 transitions. [2018-11-23 15:58:15,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 15:58:15,758 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2018-11-23 15:58:15,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:58:15,758 INFO L225 Difference]: With dead ends: 156 [2018-11-23 15:58:15,758 INFO L226 Difference]: Without dead ends: 156 [2018-11-23 15:58:15,759 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 15:58:15,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-23 15:58:15,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 144. [2018-11-23 15:58:15,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 15:58:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 160 transitions. [2018-11-23 15:58:15,760 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 160 transitions. Word has length 37 [2018-11-23 15:58:15,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:58:15,760 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 160 transitions. [2018-11-23 15:58:15,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 15:58:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 160 transitions. [2018-11-23 15:58:15,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 15:58:15,761 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:58:15,761 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:58:15,761 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 15:58:15,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:58:15,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1511353779, now seen corresponding path program 1 times [2018-11-23 15:58:15,761 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 15:58:15,762 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 22 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 15:58:15,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:58:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:58:15,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:58:15,892 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:58:15,892 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:15,895 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:15,895 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 15:58:15,905 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:15,906 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:15,906 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-23 15:58:15,906 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:15,910 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:15,910 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:8 [2018-11-23 15:58:15,922 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 15:58:15,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 15:58:15,924 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:15,926 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:15,933 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:15,933 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-23 15:58:15,966 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-11-23 15:58:15,969 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:58:15,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:15,976 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:15,986 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. [2018-11-23 15:58:15,987 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:34 [2018-11-23 15:58:16,035 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:16,036 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:16,036 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-23 15:58:16,036 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:16,051 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:58:16,052 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:37 [2018-11-23 15:58:16,098 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 42 [2018-11-23 15:58:16,102 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:16,105 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 47 [2018-11-23 15:58:16,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:16,116 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:16,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:58:16,134 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:48, output treesize:41 [2018-11-23 15:58:16,243 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:16,302 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 69 [2018-11-23 15:58:16,306 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 15:58:16,307 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:16,355 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:16,370 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. [2018-11-23 15:58:16,370 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-11-23 15:58:16,475 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 74 [2018-11-23 15:58:16,487 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:16,521 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 57 [2018-11-23 15:58:16,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-23 15:58:16,626 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:16,630 INFO L478 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 52 treesize of output 44 [2018-11-23 15:58:16,630 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:16,689 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:58:16,728 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:58:16,729 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:64, output treesize:77 [2018-11-23 15:58:16,822 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 76 [2018-11-23 15:58:16,828 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:16,830 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 80 [2018-11-23 15:58:16,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:16,892 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:16,913 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 79 [2018-11-23 15:58:16,913 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 15:58:16,960 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:58:17,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-23 15:58:17,000 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:71, output treesize:121 [2018-11-23 15:58:17,213 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 54 [2018-11-23 15:58:17,219 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:17,223 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2018-11-23 15:58:17,223 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:17,265 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-11-23 15:58:17,265 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:17,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2018-11-23 15:58:17,299 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:17,307 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:17,310 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:17,310 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:72, output treesize:8 [2018-11-23 15:58:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:58:17,370 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:58:17,584 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:17,589 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:17,589 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:58:17,593 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 15:58:17,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 15:58:17,612 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:41, output treesize:30 [2018-11-23 15:58:19,774 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 23 [2018-11-23 15:58:21,841 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 23 [2018-11-23 15:58:23,932 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 26 [2018-11-23 15:58:26,021 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 28 [2018-11-23 15:58:28,126 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 35 [2018-11-23 15:58:31,924 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 33 [2018-11-23 15:58:38,055 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 38 [2018-11-23 15:58:52,235 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 39 [2018-11-23 15:58:52,247 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:58:52,248 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:58:52,248 INFO L478 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 164 treesize of output 155 [2018-11-23 15:58:52,249 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:52,354 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 83 [2018-11-23 15:58:52,361 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-11-23 15:58:52,361 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:52,388 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:58:52,399 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 61 [2018-11-23 15:58:52,526 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 26 [2018-11-23 15:58:52,526 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-23 15:58:52,574 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 43 [2018-11-23 15:58:52,642 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 22 [2018-11-23 15:58:52,642 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-23 15:58:52,676 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-11-23 15:58:52,690 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:58:52,692 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:58:52,705 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 27 [2018-11-23 15:58:52,705 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2018-11-23 15:58:52,735 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 15:58:52,737 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2018-11-23 15:58:52,740 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:58:52,740 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 15:58:52,741 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2018-11-23 15:58:52,741 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 15:58:52,747 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 15:58:52,763 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-23 15:58:52,774 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:58:52,787 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:58:52,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:58:52,804 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 7 variables, input treesize:178, output treesize:14 [2018-11-23 15:58:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:58:52,900 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:58:52,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 32 [2018-11-23 15:58:52,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-11-23 15:58:52,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-11-23 15:58:52,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=857, Unknown=9, NotChecked=0, Total=992 [2018-11-23 15:58:52,901 INFO L87 Difference]: Start difference. First operand 144 states and 160 transitions. Second operand 32 states. [2018-11-23 15:58:56,977 WARN L180 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2018-11-23 15:59:00,097 WARN L180 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2018-11-23 15:59:02,338 WARN L180 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-11-23 15:59:07,361 WARN L180 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2018-11-23 15:59:12,404 WARN L180 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2018-11-23 15:59:16,115 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2018-11-23 15:59:23,867 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2018-11-23 15:59:30,262 WARN L180 SmtUtils]: Spent 6.29 s on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2018-11-23 15:59:30,548 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2018-11-23 15:59:44,872 WARN L180 SmtUtils]: Spent 7.25 s on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2018-11-23 15:59:58,359 WARN L180 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2018-11-23 16:00:01,573 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2018-11-23 16:00:01,893 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2018-11-23 16:00:02,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:00:02,341 INFO L93 Difference]: Finished difference Result 209 states and 226 transitions. [2018-11-23 16:00:02,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-23 16:00:02,341 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 38 [2018-11-23 16:00:02,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:00:02,342 INFO L225 Difference]: With dead ends: 209 [2018-11-23 16:00:02,342 INFO L226 Difference]: Without dead ends: 185 [2018-11-23 16:00:02,342 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 79.2s TimeCoverageRelationStatistics Valid=647, Invalid=2523, Unknown=22, NotChecked=0, Total=3192 [2018-11-23 16:00:02,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-11-23 16:00:02,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 106. [2018-11-23 16:00:02,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-23 16:00:02,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 116 transitions. [2018-11-23 16:00:02,344 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 116 transitions. Word has length 38 [2018-11-23 16:00:02,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:00:02,344 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 116 transitions. [2018-11-23 16:00:02,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-11-23 16:00:02,344 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 116 transitions. [2018-11-23 16:00:02,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 16:00:02,345 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:00:02,345 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:00:02,345 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr33REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr55ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr56ENSURES_VIOLATIONMEMORY_LEAK, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION]=== [2018-11-23 16:00:02,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:00:02,345 INFO L82 PathProgramCache]: Analyzing trace with hash 664546967, now seen corresponding path program 1 times [2018-11-23 16:00:02,345 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 16:00:02,345 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7019b2-edb0-4c9e-a7ba-59f70491b356/bin-2019/uautomizer/cvc4nyu Starting monitored process 23 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 16:00:02,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:00:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:00:02,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:00:02,464 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 16:00:02,464 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,467 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 16:00:02,482 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:02,483 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:02,483 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-23 16:00:02,483 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,490 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,491 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:14 [2018-11-23 16:00:02,505 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 16:00:02,507 INFO L478 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 [2018-11-23 16:00:02,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,510 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,519 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,519 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-11-23 16:00:02,567 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:02,574 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-23 16:00:02,576 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-11-23 16:00:02,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,594 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,594 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:29 [2018-11-23 16:00:02,628 INFO L478 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 34 treesize of output 33 [2018-11-23 16:00:02,634 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:02,637 INFO L478 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 14 [2018-11-23 16:00:02,637 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,644 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,654 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:48, output treesize:29 [2018-11-23 16:00:02,659 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:02,660 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:02,661 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-11-23 16:00:02,661 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,677 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,677 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:38 [2018-11-23 16:00:02,721 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-23 16:00:02,726 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:02,729 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 16:00:02,729 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:02,770 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:55 [2018-11-23 16:00:02,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 83 [2018-11-23 16:00:02,924 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:02,946 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 71 [2018-11-23 16:00:02,947 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:03,045 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 79 [2018-11-23 16:00:03,045 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:03,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 16:00:03,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-23 16:00:03,135 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:101, output treesize:140 [2018-11-23 16:00:03,373 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2018-11-23 16:00:03,376 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:03,377 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-23 16:00:03,377 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:03,388 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 16:00:03,389 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:03,393 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:03,444 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 68 [2018-11-23 16:00:03,451 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:03,463 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 51 [2018-11-23 16:00:03,463 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 16:00:03,534 INFO L478 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 41 treesize of output 32 [2018-11-23 16:00:03,534 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:03,536 INFO L478 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 37 treesize of output 28 [2018-11-23 16:00:03,536 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:03,605 INFO L478 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 56 [2018-11-23 16:00:03,605 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:03,658 INFO L478 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 56 treesize of output 47 [2018-11-23 16:00:03,658 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:03,704 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:03,706 INFO L478 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 47 treesize of output 36 [2018-11-23 16:00:03,707 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 16:00:03,744 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 16:00:03,792 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-11-23 16:00:03,792 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:146, output treesize:102 [2018-11-23 16:00:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:00:03,898 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:00:06,331 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 16:00:06,341 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 16:00:06,371 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-23 16:00:06,371 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:80, output treesize:68 [2018-11-23 16:00:10,561 WARN L832 $PredicateComparison]: unable to prove that (forall ((main_~x~0.offset (_ BitVec 32)) (|main_#t~mem10.offset| (_ BitVec 32)) (v_DerPreprocessor_34 (_ BitVec 32)) (|v_main_#t~malloc9.base_3| (_ BitVec 32))) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc9.base_3| (_ bv1 1)))) (or (not (= (select |c_#valid| |v_main_#t~malloc9.base_3|) (_ bv0 1))) (= (bvadd (select .cse0 (select (select (let ((.cse1 (store |c_#memory_$Pointer$.base| c_main_~x~0.base (store (store (store (select |c_#memory_$Pointer$.base| c_main_~x~0.base) main_~x~0.offset (_ bv0 32)) (bvadd main_~x~0.offset (_ bv8 32)) v_DerPreprocessor_34) (bvadd main_~x~0.offset (_ bv4 32)) |v_main_#t~malloc9.base_3|)))) (store .cse1 |v_main_#t~malloc9.base_3| (store (select .cse1 |v_main_#t~malloc9.base_3|) |main_#t~mem10.offset| (_ bv0 32)))) c_main_~head~0.base) c_main_~head~0.offset)) (_ bv1 1)) (_ bv0 1)) (not (= (bvadd (select .cse0 c_main_~x~0.base) (_ bv1 1)) (_ bv0 1)))))) is different from false [2018-11-23 16:00:13,327 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-11-23 16:00:13,335 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:13,336 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:13,336 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:13,339 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:13,340 INFO L478 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 96 treesize of output 216 [2018-11-23 16:00:13,340 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:13,353 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:13,353 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:13,357 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 16:00:13,358 INFO L478 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 92 treesize of output 146 [2018-11-23 16:00:13,358 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:13,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-23 16:00:13,469 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:98, output treesize:209 [2018-11-23 16:00:13,737 INFO L478 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 250 treesize of output 163 [2018-11-23 16:00:14,066 WARN L180 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2018-11-23 16:00:14,073 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 16:00:14,073 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:14,347 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 96 [2018-11-23 16:00:15,078 WARN L180 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-11-23 16:00:15,078 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 16:00:15,078 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 16:00:15,086 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 61 [2018-11-23 16:00:15,122 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,130 INFO L478 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 54 treesize of output 62 [2018-11-23 16:00:15,136 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,136 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,137 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,146 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-23 16:00:15,146 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:15,196 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:15,309 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,313 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,313 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,345 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 76 [2018-11-23 16:00:15,353 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,353 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,354 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,357 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,384 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 98 [2018-11-23 16:00:15,385 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:15,577 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,577 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,577 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,583 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 84 [2018-11-23 16:00:15,584 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:15,727 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 16:00:15,903 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:15,947 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2018-11-23 16:00:15,951 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,958 INFO L478 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 51 treesize of output 59 [2018-11-23 16:00:15,962 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,963 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,963 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:15,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-23 16:00:15,974 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:16,019 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:16,156 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,199 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 65 [2018-11-23 16:00:16,204 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,205 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,205 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,220 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 75 [2018-11-23 16:00:16,221 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:16,345 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,346 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,346 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,351 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,381 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 85 [2018-11-23 16:00:16,382 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:16,522 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 16:00:16,671 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:16,711 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2018-11-23 16:00:16,720 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,751 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 68 [2018-11-23 16:00:16,755 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,755 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,755 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 78 [2018-11-23 16:00:16,765 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:16,890 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,891 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,891 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,897 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:16,932 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 85 [2018-11-23 16:00:16,932 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:17,086 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 16:00:17,304 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,307 INFO L478 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 48 treesize of output 56 [2018-11-23 16:00:17,312 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,312 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,313 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,322 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-23 16:00:17,322 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:17,362 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:17,522 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:17,528 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,557 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 55 [2018-11-23 16:00:17,561 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,565 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,566 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,594 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 73 [2018-11-23 16:00:17,598 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,599 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,599 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,605 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 87 [2018-11-23 16:00:17,605 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:17,735 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,738 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,738 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,739 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,741 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,741 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:17,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 92 [2018-11-23 16:00:17,765 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:17,924 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 16:00:18,149 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:18,153 INFO L478 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 45 treesize of output 53 [2018-11-23 16:00:18,157 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:18,158 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:18,158 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:18,165 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-23 16:00:18,165 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:18,211 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:18,386 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:20,275 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 54 [2018-11-23 16:00:20,282 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,286 INFO L478 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 23 treesize of output 31 [2018-11-23 16:00:20,291 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,292 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,292 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-23 16:00:20,300 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:20,324 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:20,368 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:20,376 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 61 [2018-11-23 16:00:20,383 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,387 INFO L478 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 23 treesize of output 31 [2018-11-23 16:00:20,393 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,393 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,393 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,403 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-23 16:00:20,404 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:20,425 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:20,483 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:20,496 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 61 [2018-11-23 16:00:20,504 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,509 INFO L478 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 23 treesize of output 31 [2018-11-23 16:00:20,516 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,516 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,517 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:20,527 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-23 16:00:20,528 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:20,550 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:20,591 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:21,619 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 52 [2018-11-23 16:00:21,623 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 16:00:21,623 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:21,659 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:21,659 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:21,660 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:21,664 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:21,664 INFO L478 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 23 treesize of output 21 [2018-11-23 16:00:21,665 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:21,681 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:21,723 INFO L478 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 2 case distinctions, treesize of input 67 treesize of output 69 [2018-11-23 16:00:21,729 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:21,730 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:21,730 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:21,738 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2018-11-23 16:00:21,738 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:21,960 INFO L478 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 50 [2018-11-23 16:00:21,960 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:22,143 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:22,151 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:22,151 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:22,151 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:22,153 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:22,199 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 85 [2018-11-23 16:00:22,200 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 10 xjuncts. [2018-11-23 16:00:22,730 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2018-11-23 16:00:22,731 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:23,170 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:23,171 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:23,171 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:23,179 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2018-11-23 16:00:23,179 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:23,570 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:23,570 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:23,573 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:23,603 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 62 [2018-11-23 16:00:23,604 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:23,789 INFO L478 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 37 treesize of output 31 [2018-11-23 16:00:23,790 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:23,903 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-23 16:00:23,903 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:24,002 INFO L267 ElimStorePlain]: Start of recursive call 41: 8 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 16:00:24,049 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 69 [2018-11-23 16:00:24,055 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:24,055 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:24,056 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:24,065 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2018-11-23 16:00:24,065 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:24,263 INFO L478 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 50 [2018-11-23 16:00:24,264 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:24,445 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 47 [2018-11-23 16:00:24,445 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:24,610 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:24,610 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:24,610 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:24,618 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 33 [2018-11-23 16:00:24,618 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:24,774 INFO L478 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 37 treesize of output 31 [2018-11-23 16:00:24,775 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:24,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-23 16:00:24,919 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:25,088 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:25,095 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:25,096 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:25,099 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:25,102 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:25,160 INFO L478 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 85 [2018-11-23 16:00:25,162 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 10 xjuncts. [2018-11-23 16:00:25,774 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:25,774 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:25,777 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:25,810 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 62 [2018-11-23 16:00:25,811 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:25,980 INFO L267 ElimStorePlain]: Start of recursive call 50: 8 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 16:00:27,159 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-11-23 16:00:27,163 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,164 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,164 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,167 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,170 INFO L478 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 23 treesize of output 21 [2018-11-23 16:00:27,170 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:27,191 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:27,209 INFO L478 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 1 case distinctions, treesize of input 58 treesize of output 56 [2018-11-23 16:00:27,217 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,218 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,218 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,225 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 48 [2018-11-23 16:00:27,225 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:27,305 INFO L478 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 27 treesize of output 23 [2018-11-23 16:00:27,306 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:27,366 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,369 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,373 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,411 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 66 [2018-11-23 16:00:27,412 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:27,543 INFO L267 ElimStorePlain]: Start of recursive call 61: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:27,564 INFO L478 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 1 case distinctions, treesize of input 54 treesize of output 52 [2018-11-23 16:00:27,575 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,577 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,581 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,608 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 58 [2018-11-23 16:00:27,608 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:27,785 INFO L478 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 47 treesize of output 43 [2018-11-23 16:00:27,785 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:27,900 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,901 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,901 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:27,908 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 32 [2018-11-23 16:00:27,908 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:28,000 INFO L267 ElimStorePlain]: Start of recursive call 65: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:28,022 INFO L478 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 1 case distinctions, treesize of input 56 treesize of output 54 [2018-11-23 16:00:28,028 INFO L478 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 45 [2018-11-23 16:00:28,028 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:28,104 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,105 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,105 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,112 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2018-11-23 16:00:28,112 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:28,177 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,178 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,180 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,207 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 62 [2018-11-23 16:00:28,208 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:28,313 INFO L267 ElimStorePlain]: Start of recursive call 69: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:28,316 INFO L478 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 61 treesize of output 53 [2018-11-23 16:00:28,320 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,321 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,321 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,326 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,327 INFO L478 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 32 treesize of output 28 [2018-11-23 16:00:28,327 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:28,352 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:28,375 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 56 [2018-11-23 16:00:28,380 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-11-23 16:00:28,381 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:28,456 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,456 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,457 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,490 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 66 [2018-11-23 16:00:28,491 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:28,655 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,655 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,656 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,663 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 38 [2018-11-23 16:00:28,663 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:28,763 INFO L267 ElimStorePlain]: Start of recursive call 75: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:28,766 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2018-11-23 16:00:28,770 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,770 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,771 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,776 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,776 INFO L478 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 23 treesize of output 21 [2018-11-23 16:00:28,777 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:28,796 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:28,822 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 54 [2018-11-23 16:00:28,828 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2018-11-23 16:00:28,829 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:28,894 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,897 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,897 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,897 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,900 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:28,927 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 54 [2018-11-23 16:00:28,928 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:29,058 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,065 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,065 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,065 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,068 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,112 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 83 [2018-11-23 16:00:29,114 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 10 xjuncts. [2018-11-23 16:00:29,449 INFO L267 ElimStorePlain]: Start of recursive call 81: 3 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-11-23 16:00:29,480 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 52 [2018-11-23 16:00:29,487 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,487 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,487 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,496 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 42 [2018-11-23 16:00:29,497 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:29,586 INFO L478 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 25 treesize of output 21 [2018-11-23 16:00:29,586 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:29,648 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,651 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,654 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,677 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 58 [2018-11-23 16:00:29,677 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:29,803 INFO L267 ElimStorePlain]: Start of recursive call 85: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:29,825 INFO L478 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 1 case distinctions, treesize of input 58 treesize of output 54 [2018-11-23 16:00:29,831 INFO L478 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 45 [2018-11-23 16:00:29,832 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:29,898 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,900 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,901 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,901 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,904 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:29,927 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 54 [2018-11-23 16:00:29,927 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:30,069 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,076 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,077 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,077 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,079 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,126 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 83 [2018-11-23 16:00:30,127 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 10 xjuncts. [2018-11-23 16:00:30,422 INFO L267 ElimStorePlain]: Start of recursive call 89: 3 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-11-23 16:00:30,445 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 54 [2018-11-23 16:00:30,452 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,453 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,453 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,462 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-11-23 16:00:30,462 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:30,536 INFO L478 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 27 treesize of output 23 [2018-11-23 16:00:30,537 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:30,600 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,600 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,601 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,632 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 62 [2018-11-23 16:00:30,632 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:30,745 INFO L267 ElimStorePlain]: Start of recursive call 93: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:30,748 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2018-11-23 16:00:30,754 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,754 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,758 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,758 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,759 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,763 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,763 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,770 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:30,780 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 45 [2018-11-23 16:00:30,781 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:30,878 INFO L267 ElimStorePlain]: Start of recursive call 97: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 16:00:32,046 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 12 xjuncts. [2018-11-23 16:00:32,287 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 200 treesize of output 158 [2018-11-23 16:00:36,790 WARN L180 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 307 DAG size of output: 245 [2018-11-23 16:00:36,790 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 16:00:36,790 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 16:00:36,790 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 16:00:36,791 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 16:00:36,791 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 16:00:36,791 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 16:00:36,797 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:36,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 88 [2018-11-23 16:00:36,818 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:36,821 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:36,822 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:36,844 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 96 [2018-11-23 16:00:36,850 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:36,850 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:36,850 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:36,856 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:36,857 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 113 [2018-11-23 16:00:36,857 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:37,027 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,030 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,030 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,030 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,033 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,033 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,038 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,061 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 113 [2018-11-23 16:00:37,062 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:37,234 INFO L267 ElimStorePlain]: Start of recursive call 101: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 16:00:37,453 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,456 INFO L478 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 60 treesize of output 63 [2018-11-23 16:00:37,460 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,460 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,460 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,463 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,466 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 63 [2018-11-23 16:00:37,466 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:37,507 INFO L267 ElimStorePlain]: Start of recursive call 104: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:37,674 INFO L267 ElimStorePlain]: Start of recursive call 100: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:37,706 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 91 [2018-11-23 16:00:37,712 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,715 INFO L478 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 84 treesize of output 82 [2018-11-23 16:00:37,722 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,722 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,722 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,731 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 66 [2018-11-23 16:00:37,732 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:37,772 INFO L267 ElimStorePlain]: Start of recursive call 107: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:37,920 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,954 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 88 [2018-11-23 16:00:37,970 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,971 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,971 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:37,978 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,012 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 81 treesize of output 102 [2018-11-23 16:00:38,013 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:38,201 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,201 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,202 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,211 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 92 [2018-11-23 16:00:38,212 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:38,372 INFO L267 ElimStorePlain]: Start of recursive call 109: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 16:00:38,539 INFO L267 ElimStorePlain]: Start of recursive call 106: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:38,591 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2018-11-23 16:00:38,608 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,650 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 68 [2018-11-23 16:00:38,657 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,657 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,657 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,666 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 78 [2018-11-23 16:00:38,666 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:38,793 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,793 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,794 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,798 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:38,826 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 85 [2018-11-23 16:00:38,826 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:38,969 INFO L267 ElimStorePlain]: Start of recursive call 113: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 16:00:39,173 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:39,178 INFO L478 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 48 treesize of output 56 [2018-11-23 16:00:39,183 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:39,183 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:39,183 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:39,193 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-23 16:00:39,194 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:39,244 INFO L267 ElimStorePlain]: Start of recursive call 116: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:39,404 INFO L267 ElimStorePlain]: Start of recursive call 112: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:43,998 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 61 [2018-11-23 16:00:44,004 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,007 INFO L478 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 23 treesize of output 31 [2018-11-23 16:00:44,014 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,015 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,015 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,023 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-23 16:00:44,024 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:44,044 INFO L267 ElimStorePlain]: Start of recursive call 119: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:44,084 INFO L267 ElimStorePlain]: Start of recursive call 118: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:44,091 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 97 [2018-11-23 16:00:44,098 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,103 INFO L478 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 59 treesize of output 57 [2018-11-23 16:00:44,109 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,109 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,109 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,118 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 66 [2018-11-23 16:00:44,118 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:44,148 INFO L267 ElimStorePlain]: Start of recursive call 122: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:44,202 INFO L267 ElimStorePlain]: Start of recursive call 121: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:44,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-11-23 16:00:44,209 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,212 INFO L478 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 59 treesize of output 57 [2018-11-23 16:00:44,215 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,216 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,216 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,221 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:44,222 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 73 [2018-11-23 16:00:44,222 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:44,254 INFO L267 ElimStorePlain]: Start of recursive call 125: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:44,295 INFO L267 ElimStorePlain]: Start of recursive call 124: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:48,221 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 91 [2018-11-23 16:00:48,228 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:48,233 INFO L478 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 59 treesize of output 57 [2018-11-23 16:00:48,241 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:48,241 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:48,242 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:48,260 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 66 [2018-11-23 16:00:48,261 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:48,289 INFO L267 ElimStorePlain]: Start of recursive call 128: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:48,348 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 15 [2018-11-23 16:00:48,348 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:48,377 INFO L267 ElimStorePlain]: Start of recursive call 127: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:48,382 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 52 [2018-11-23 16:00:48,387 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:48,390 INFO L478 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 23 treesize of output 31 [2018-11-23 16:00:48,395 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:48,396 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:48,396 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:48,404 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-23 16:00:48,404 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:48,425 INFO L267 ElimStorePlain]: Start of recursive call 132: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:48,452 INFO L267 ElimStorePlain]: Start of recursive call 131: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 16:00:52,725 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 52 [2018-11-23 16:00:52,729 INFO L478 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 30 treesize of output 26 [2018-11-23 16:00:52,730 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:52,779 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2018-11-23 16:00:52,780 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:52,839 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 55 [2018-11-23 16:00:52,848 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:52,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 60 [2018-11-23 16:00:53,032 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2018-11-23 16:00:53,057 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:53,096 INFO L478 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 43 treesize of output 50 [2018-11-23 16:00:53,096 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:53,279 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:53,327 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 63 [2018-11-23 16:00:53,329 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 10 xjuncts. [2018-11-23 16:00:53,597 INFO L267 ElimStorePlain]: Start of recursive call 138: 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-23 16:00:53,920 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:53,923 INFO L478 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 48 treesize of output 51 [2018-11-23 16:00:54,030 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2018-11-23 16:00:54,033 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:54,059 INFO L478 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 25 treesize of output 30 [2018-11-23 16:00:54,060 INFO L267 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:54,113 INFO L267 ElimStorePlain]: Start of recursive call 141: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 16:00:54,295 INFO L267 ElimStorePlain]: Start of recursive call 137: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 16:00:54,505 INFO L267 ElimStorePlain]: Start of recursive call 134: 3 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 16:00:54,568 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 99 [2018-11-23 16:00:54,575 INFO L478 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 72 treesize of output 68 [2018-11-23 16:00:54,575 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:54,841 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 64 [2018-11-23 16:00:54,851 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:54,874 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 69 [2018-11-23 16:00:54,880 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:54,880 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:54,881 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:54,890 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 74 [2018-11-23 16:00:54,995 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:54,996 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:54,997 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,039 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 53 [2018-11-23 16:00:55,040 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:55,045 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,046 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,047 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,052 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,052 INFO L478 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 29 treesize of output 29 [2018-11-23 16:00:55,053 INFO L267 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:55,191 INFO L267 ElimStorePlain]: Start of recursive call 147: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-23 16:00:55,460 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,460 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,461 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,466 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,492 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 82 [2018-11-23 16:00:55,629 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-11-23 16:00:55,636 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,636 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,636 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,641 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,642 INFO L478 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 52 treesize of output 47 [2018-11-23 16:00:55,642 INFO L267 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:55,648 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,649 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,650 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,656 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,677 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 74 [2018-11-23 16:00:55,678 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:55,688 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,688 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,690 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:55,720 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 71 [2018-11-23 16:00:55,721 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:56,003 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,003 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,003 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,004 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,004 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,007 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,007 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,012 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,023 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 62 [2018-11-23 16:00:56,023 INFO L267 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:56,030 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,032 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,040 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,040 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,041 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,041 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,043 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:56,095 INFO L478 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 92 [2018-11-23 16:00:56,097 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 10 xjuncts. [2018-11-23 16:00:56,633 INFO L267 ElimStorePlain]: Start of recursive call 150: 2 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-11-23 16:00:57,033 INFO L267 ElimStorePlain]: Start of recursive call 146: 2 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-23 16:00:57,341 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:57,345 INFO L478 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 57 treesize of output 60 [2018-11-23 16:00:57,349 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:57,349 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:57,350 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:57,358 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 56 [2018-11-23 16:00:57,412 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:57,415 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:57,419 INFO L478 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 27 treesize of output 25 [2018-11-23 16:00:57,419 INFO L267 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:57,434 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:57,466 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 47 [2018-11-23 16:00:57,467 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 4 xjuncts. [2018-11-23 16:00:57,576 INFO L267 ElimStorePlain]: Start of recursive call 157: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-23 16:00:57,665 INFO L267 ElimStorePlain]: Start of recursive call 156: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:00:57,946 INFO L267 ElimStorePlain]: Start of recursive call 145: 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-23 16:00:58,565 INFO L478 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 81 [2018-11-23 16:00:58,581 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:58,657 INFO L478 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 88 [2018-11-23 16:00:58,672 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:58,672 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:58,672 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:58,681 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:58,714 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 98 [2018-11-23 16:00:58,961 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2018-11-23 16:00:58,966 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:58,966 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:58,967 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:58,972 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:58,973 INFO L478 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 54 treesize of output 51 [2018-11-23 16:00:58,973 INFO L267 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2018-11-23 16:00:59,123 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,124 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,138 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,139 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,163 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 67 [2018-11-23 16:00:59,164 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:59,176 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,177 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,196 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,196 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,202 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,219 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 70 [2018-11-23 16:00:59,220 INFO L267 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 2 xjuncts. [2018-11-23 16:00:59,388 INFO L267 ElimStorePlain]: Start of recursive call 162: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 16:00:59,832 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,832 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,837 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,841 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:00:59,969 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 64 treesize of output 101 [2018-11-23 16:01:00,380 WARN L180 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2018-11-23 16:01:00,389 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,389 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,390 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,396 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,418 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 71 [2018-11-23 16:01:00,419 INFO L267 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 4 xjuncts. [2018-11-23 16:01:00,436 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,436 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,436 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,472 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 68 [2018-11-23 16:01:00,473 INFO L267 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 4 xjuncts. [2018-11-23 16:01:00,866 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,875 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,875 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,876 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,879 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,930 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 86 [2018-11-23 16:01:00,931 INFO L267 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 10 xjuncts. [2018-11-23 16:01:00,939 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,940 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,945 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,945 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,945 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,948 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,948 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,958 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:00,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 87 [2018-11-23 16:01:00,989 INFO L267 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 6 xjuncts. [2018-11-23 16:01:01,601 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:01,601 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:01,601 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:01,602 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:01,602 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:01,605 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:01,605 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:01,609 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:01,619 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 65 [2018-11-23 16:01:01,620 INFO L267 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 2 xjuncts. [2018-11-23 16:01:02,015 INFO L267 ElimStorePlain]: Start of recursive call 166: 3 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-11-23 16:01:02,477 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,477 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,478 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,484 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,517 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 82 [2018-11-23 16:01:02,656 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-11-23 16:01:02,663 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,664 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,667 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,667 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,669 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,671 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,672 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,672 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,678 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,709 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 90 [2018-11-23 16:01:02,710 INFO L267 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 6 xjuncts. [2018-11-23 16:01:02,716 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,717 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,717 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,717 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,718 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,721 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,721 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,725 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,734 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 62 [2018-11-23 16:01:02,735 INFO L267 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 2 xjuncts. [2018-11-23 16:01:02,743 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,748 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,749 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,752 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,755 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,755 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:02,805 INFO L478 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 89 [2018-11-23 16:01:02,806 INFO L267 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 10 xjuncts. [2018-11-23 16:01:03,305 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:03,318 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:03,318 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:03,326 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:03,327 INFO L478 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 49 treesize of output 44 [2018-11-23 16:01:03,328 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2018-11-23 16:01:03,339 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:03,340 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:03,340 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:03,380 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 65 [2018-11-23 16:01:03,380 INFO L267 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 4 xjuncts. [2018-11-23 16:01:03,934 INFO L267 ElimStorePlain]: Start of recursive call 172: 2 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-11-23 16:01:04,280 INFO L267 ElimStorePlain]: Start of recursive call 161: 4 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 16:01:04,914 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:04,968 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 75 [2018-11-23 16:01:04,973 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:04,973 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:04,974 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,000 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 74 [2018-11-23 16:01:05,103 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-11-23 16:01:05,109 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,110 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,117 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2018-11-23 16:01:05,117 INFO L267 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2018-11-23 16:01:05,121 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,122 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,123 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,177 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,180 INFO L478 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 29 treesize of output 29 [2018-11-23 16:01:05,180 INFO L267 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2018-11-23 16:01:05,245 INFO L267 ElimStorePlain]: Start of recursive call 179: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 16:01:05,379 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,380 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,380 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,647 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 85 [2018-11-23 16:01:05,848 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2018-11-23 16:01:05,852 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,852 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,852 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,857 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,858 INFO L478 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 49 treesize of output 44 [2018-11-23 16:01:05,858 INFO L267 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2018-11-23 16:01:05,988 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,989 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:05,989 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:06,016 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 60 [2018-11-23 16:01:06,017 INFO L267 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 4 xjuncts. [2018-11-23 16:01:06,028 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:06,028 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:06,028 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:06,036 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 16:01:06,054 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 63 [2018-11-23 16:01:06,054 INFO L267 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 4 xjuncts. [2018-11-23 16:01:06,197 INFO L267 ElimStorePlain]: Start of recursive call 182: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 16:01:06,310 INFO L267 ElimStorePlain]: Start of recursive call 178: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:01:06,411 INFO L267 ElimStorePlain]: Start of recursive call 160: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 16:01:07,080 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 16:01:07,081 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store (store v_prenex_169 v_subst_9 (_ bv0 32)) (bvadd v_subst_9 (_ bv8 32)) v_DerPreprocessor_34) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:210) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:191) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 16:01:07,083 INFO L168 Benchmark]: Toolchain (without parser) took 332914.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 943.3 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 393.5 MB. Max. memory is 11.5 GB. [2018-11-23 16:01:07,084 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:01:07,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.09 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 921.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 16:01:07,084 INFO L168 Benchmark]: Boogie Preprocessor took 80.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 921.8 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-23 16:01:07,084 INFO L168 Benchmark]: RCFGBuilder took 634.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2018-11-23 16:01:07,084 INFO L168 Benchmark]: TraceAbstraction took 331858.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -103.8 MB). Peak memory consumption was 372.4 MB. Max. memory is 11.5 GB. [2018-11-23 16:01:07,085 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.09 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 921.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 921.8 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 634.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 331858.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -103.8 MB). Peak memory consumption was 372.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store (store v_prenex_169 v_subst_9 (_ bv0 32)) (bvadd v_subst_9 (_ bv8 32)) v_DerPreprocessor_34) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store (store v_prenex_169 v_subst_9 (_ bv0 32)) (bvadd v_subst_9 (_ bv8 32)) v_DerPreprocessor_34): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...