./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 109d156101f4cfba3ce2d0d8043b4202b4256b37 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 109d156101f4cfba3ce2d0d8043b4202b4256b37 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_86 input size 18 context size 18 output size 18 --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:03:39,892 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:03:39,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:03:39,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:03:39,899 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:03:39,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:03:39,900 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:03:39,901 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:03:39,902 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:03:39,903 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:03:39,903 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:03:39,903 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:03:39,904 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:03:39,904 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:03:39,905 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:03:39,905 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:03:39,906 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:03:39,907 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:03:39,908 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:03:39,908 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:03:39,909 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:03:39,909 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:03:39,911 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:03:39,911 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:03:39,911 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:03:39,911 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:03:39,912 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:03:39,912 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:03:39,913 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:03:39,913 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:03:39,913 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:03:39,914 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:03:39,914 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:03:39,914 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:03:39,914 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:03:39,915 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:03:39,915 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:03:39,922 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:03:39,922 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:03:39,923 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:03:39,923 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:03:39,923 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:03:39,923 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:03:39,924 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:03:39,924 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:03:39,924 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:03:39,924 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:03:39,924 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:03:39,924 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:03:39,924 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:03:39,925 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:03:39,925 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:03:39,925 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:03:39,925 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:03:39,925 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:03:39,925 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:03:39,925 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:03:39,925 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:03:39,925 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:03:39,925 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:03:39,925 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:03:39,926 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:03:39,926 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:03:39,926 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:03:39,926 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:03:39,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:03:39,926 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:03:39,926 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:03:39,926 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:03:39,926 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:03:39,926 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:03:39,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:03:39,927 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:03:39,927 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 109d156101f4cfba3ce2d0d8043b4202b4256b37 [2018-12-09 00:03:39,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:03:39,951 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:03:39,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:03:39,954 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:03:39,954 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:03:39,954 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-09 00:03:39,989 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/data/3c578ea9d/59862a6010574e6bbfc4636d665054f0/FLAGc90814473 [2018-12-09 00:03:40,444 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:03:40,445 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-09 00:03:40,451 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/data/3c578ea9d/59862a6010574e6bbfc4636d665054f0/FLAGc90814473 [2018-12-09 00:03:40,459 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/data/3c578ea9d/59862a6010574e6bbfc4636d665054f0 [2018-12-09 00:03:40,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:03:40,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:03:40,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:40,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:03:40,464 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:03:40,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:40" (1/1) ... [2018-12-09 00:03:40,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672981cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40, skipping insertion in model container [2018-12-09 00:03:40,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:40" (1/1) ... [2018-12-09 00:03:40,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:03:40,490 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:03:40,634 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:40,640 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:03:40,714 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:40,737 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:03:40,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40 WrapperNode [2018-12-09 00:03:40,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:40,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:40,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:03:40,738 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:03:40,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40" (1/1) ... [2018-12-09 00:03:40,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40" (1/1) ... [2018-12-09 00:03:40,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:40,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:03:40,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:03:40,762 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:03:40,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40" (1/1) ... [2018-12-09 00:03:40,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40" (1/1) ... [2018-12-09 00:03:40,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40" (1/1) ... [2018-12-09 00:03:40,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40" (1/1) ... [2018-12-09 00:03:40,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40" (1/1) ... [2018-12-09 00:03:40,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40" (1/1) ... [2018-12-09 00:03:40,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40" (1/1) ... [2018-12-09 00:03:40,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:03:40,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:03:40,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:03:40,783 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:03:40,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/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 [2018-12-09 00:03:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:03:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 00:03:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 00:03:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:03:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:03:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:03:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:03:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 00:03:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 00:03:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:03:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:03:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:03:41,072 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:03:41,072 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-12-09 00:03:41,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:41 BoogieIcfgContainer [2018-12-09 00:03:41,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:03:41,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:03:41,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:03:41,075 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:03:41,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:03:40" (1/3) ... [2018-12-09 00:03:41,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fe7588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:03:41, skipping insertion in model container [2018-12-09 00:03:41,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:40" (2/3) ... [2018-12-09 00:03:41,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fe7588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:03:41, skipping insertion in model container [2018-12-09 00:03:41,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:41" (3/3) ... [2018-12-09 00:03:41,077 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-09 00:03:41,083 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:03:41,088 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-12-09 00:03:41,098 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-12-09 00:03:41,116 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:03:41,116 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:03:41,116 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:03:41,116 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:03:41,117 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:03:41,117 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:03:41,117 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:03:41,117 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:03:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-12-09 00:03:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:03:41,130 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:41,131 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:41,132 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:41,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:41,136 INFO L82 PathProgramCache]: Analyzing trace with hash -810975847, now seen corresponding path program 1 times [2018-12-09 00:03:41,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:41,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:41,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,169 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:41,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:41,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:41,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:03:41,230 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:41,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:03:41,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:03:41,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:03:41,241 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-12-09 00:03:41,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:41,254 INFO L93 Difference]: Finished difference Result 92 states and 146 transitions. [2018-12-09 00:03:41,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:03:41,255 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-12-09 00:03:41,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:41,261 INFO L225 Difference]: With dead ends: 92 [2018-12-09 00:03:41,261 INFO L226 Difference]: Without dead ends: 44 [2018-12-09 00:03:41,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:03:41,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-09 00:03:41,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-09 00:03:41,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-09 00:03:41,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2018-12-09 00:03:41,284 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 12 [2018-12-09 00:03:41,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:41,284 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2018-12-09 00:03:41,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:03:41,284 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2018-12-09 00:03:41,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:03:41,284 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:41,284 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:41,285 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:41,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:41,285 INFO L82 PathProgramCache]: Analyzing trace with hash 409991454, now seen corresponding path program 1 times [2018-12-09 00:03:41,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:41,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:41,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:41,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:41,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 00:03:41,339 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:41,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 00:03:41,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 00:03:41,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:03:41,341 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 4 states. [2018-12-09 00:03:41,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:41,398 INFO L93 Difference]: Finished difference Result 74 states and 88 transitions. [2018-12-09 00:03:41,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:03:41,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-12-09 00:03:41,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:41,399 INFO L225 Difference]: With dead ends: 74 [2018-12-09 00:03:41,399 INFO L226 Difference]: Without dead ends: 70 [2018-12-09 00:03:41,400 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 [2018-12-09 00:03:41,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-09 00:03:41,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 45. [2018-12-09 00:03:41,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-09 00:03:41,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2018-12-09 00:03:41,404 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 12 [2018-12-09 00:03:41,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:41,404 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2018-12-09 00:03:41,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 00:03:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2018-12-09 00:03:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:03:41,404 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:41,404 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:41,405 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:41,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:41,405 INFO L82 PathProgramCache]: Analyzing trace with hash -138901270, now seen corresponding path program 1 times [2018-12-09 00:03:41,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:41,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:41,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,406 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:41,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:41,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:41,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:03:41,449 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:41,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:03:41,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:03:41,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:03:41,450 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand 3 states. [2018-12-09 00:03:41,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:41,477 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-12-09 00:03:41,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:03:41,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-09 00:03:41,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:41,478 INFO L225 Difference]: With dead ends: 49 [2018-12-09 00:03:41,478 INFO L226 Difference]: Without dead ends: 47 [2018-12-09 00:03:41,479 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 [2018-12-09 00:03:41,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-09 00:03:41,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2018-12-09 00:03:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-09 00:03:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2018-12-09 00:03:41,483 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 13 [2018-12-09 00:03:41,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:41,483 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2018-12-09 00:03:41,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:03:41,483 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2018-12-09 00:03:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:03:41,484 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:41,484 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:41,484 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:41,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:41,484 INFO L82 PathProgramCache]: Analyzing trace with hash -10936096, now seen corresponding path program 1 times [2018-12-09 00:03:41,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:41,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:41,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,485 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:41,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:41,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:41,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:03:41,634 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:41,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 00:03:41,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:03:41,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:03:41,635 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand 5 states. [2018-12-09 00:03:41,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:41,729 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2018-12-09 00:03:41,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 00:03:41,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-09 00:03:41,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:41,731 INFO L225 Difference]: With dead ends: 65 [2018-12-09 00:03:41,731 INFO L226 Difference]: Without dead ends: 54 [2018-12-09 00:03:41,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:03:41,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-09 00:03:41,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48. [2018-12-09 00:03:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-09 00:03:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2018-12-09 00:03:41,739 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 14 [2018-12-09 00:03:41,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:41,739 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2018-12-09 00:03:41,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 00:03:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-12-09 00:03:41,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:03:41,740 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:41,740 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:41,740 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:41,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:41,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1135076446, now seen corresponding path program 1 times [2018-12-09 00:03:41,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:41,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:41,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:41,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:41,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:03:41,763 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:41,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:03:41,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:03:41,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:03:41,764 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 3 states. [2018-12-09 00:03:41,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:41,837 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-12-09 00:03:41,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:03:41,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-12-09 00:03:41,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:41,838 INFO L225 Difference]: With dead ends: 49 [2018-12-09 00:03:41,838 INFO L226 Difference]: Without dead ends: 47 [2018-12-09 00:03:41,838 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 [2018-12-09 00:03:41,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-09 00:03:41,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2018-12-09 00:03:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-09 00:03:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2018-12-09 00:03:41,842 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 14 [2018-12-09 00:03:41,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:41,842 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2018-12-09 00:03:41,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:03:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2018-12-09 00:03:41,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 00:03:41,843 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:41,843 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:41,843 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:41,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:41,844 INFO L82 PathProgramCache]: Analyzing trace with hash 993366976, now seen corresponding path program 1 times [2018-12-09 00:03:41,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:41,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:41,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:41,845 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:41,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:41,982 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:41,982 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:03:41,982 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-12-09 00:03:41,983 INFO L205 CegarAbsIntRunner]: [0], [1], [5], [10], [13], [116], [125], [132], [134], [138], [141], [142], [166], [170], [175], [181], [182], [183] [2018-12-09 00:03:42,003 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:03:42,004 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:03:42,122 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:03:42,123 INFO L272 AbstractInterpreter]: Visited 18 different actions 27 times. Merged at 9 different actions 9 times. Never widened. Performed 282 root evaluator evaluations with a maximum evaluation depth of 3. Performed 282 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 41 variables. [2018-12-09 00:03:42,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:42,129 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:03:42,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:42,129 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/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 [2018-12-09 00:03:42,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:42,136 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:03:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:42,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:43,118 WARN L180 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2018-12-09 00:03:43,136 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:03:43,139 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 17 treesize of output 29 [2018-12-09 00:03:43,164 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:03:43,168 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:03:43,169 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 [2018-12-09 00:03:43,169 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 00:03:43,260 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:03:43,401 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:03:43,419 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:03:43,636 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 59 [2018-12-09 00:03:43,643 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 13 treesize of output 16 [2018-12-09 00:03:43,652 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:03:43,662 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 [2018-12-09 00:03:43,663 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-09 00:03:43,691 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:03:43,743 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:03:43,784 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 77 [2018-12-09 00:03:43,789 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 38 treesize of output 35 [2018-12-09 00:03:43,789 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-09 00:03:43,854 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 56 treesize of output 58 [2018-12-09 00:03:43,863 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:03:43,868 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 10 [2018-12-09 00:03:43,869 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-09 00:03:43,909 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 17 treesize of output 20 [2018-12-09 00:03:44,114 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 00:03:44,115 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.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.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.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:214) 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) [2018-12-09 00:03:44,119 INFO L168 Benchmark]: Toolchain (without parser) took 3657.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 953.5 MB in the beginning and 837.5 MB in the end (delta: 115.9 MB). Peak memory consumption was 232.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:44,120 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-09 00:03:44,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:44,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:03:44,121 INFO L168 Benchmark]: Boogie Preprocessor took 21.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:03:44,122 INFO L168 Benchmark]: RCFGBuilder took 289.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:44,122 INFO L168 Benchmark]: TraceAbstraction took 3045.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 837.5 MB in the end (delta: 224.5 MB). Peak memory consumption was 224.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:44,125 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 289.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3045.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 837.5 MB in the end (delta: 224.5 MB). Peak memory consumption was 224.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:03:45,423 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:03:45,424 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:03:45,430 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:03:45,430 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:03:45,430 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:03:45,431 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:03:45,432 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:03:45,432 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:03:45,433 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:03:45,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:03:45,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:03:45,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:03:45,434 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:03:45,435 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:03:45,435 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:03:45,435 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:03:45,436 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:03:45,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:03:45,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:03:45,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:03:45,439 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:03:45,440 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:03:45,440 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:03:45,440 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:03:45,441 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:03:45,441 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:03:45,442 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:03:45,442 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:03:45,442 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:03:45,443 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:03:45,443 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:03:45,443 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:03:45,443 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:03:45,444 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:03:45,444 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:03:45,444 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 00:03:45,451 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:03:45,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:03:45,452 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:03:45,452 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:03:45,452 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:03:45,452 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:03:45,452 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:03:45,452 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:03:45,452 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:03:45,452 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:03:45,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:03:45,453 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:03:45,453 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:03:45,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:03:45,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:03:45,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:03:45,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:03:45,453 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 00:03:45,454 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 00:03:45,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:03:45,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:03:45,454 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:03:45,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:03:45,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:03:45,454 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:03:45,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:03:45,454 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:03:45,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:03:45,454 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:03:45,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:03:45,455 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:03:45,455 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 00:03:45,455 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:03:45,455 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 00:03:45,455 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 00:03:45,455 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 109d156101f4cfba3ce2d0d8043b4202b4256b37 [2018-12-09 00:03:45,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:03:45,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:03:45,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:03:45,486 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:03:45,487 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:03:45,487 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-09 00:03:45,531 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/data/7f2342c70/a218e95615bb43bcaf53fe7d8dac6937/FLAGcb31985cc [2018-12-09 00:03:45,979 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:03:45,980 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-09 00:03:45,988 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/data/7f2342c70/a218e95615bb43bcaf53fe7d8dac6937/FLAGcb31985cc [2018-12-09 00:03:45,996 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/data/7f2342c70/a218e95615bb43bcaf53fe7d8dac6937 [2018-12-09 00:03:45,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:03:45,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:03:46,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:46,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:03:46,003 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:03:46,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:45" (1/1) ... [2018-12-09 00:03:46,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54932da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46, skipping insertion in model container [2018-12-09 00:03:46,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:45" (1/1) ... [2018-12-09 00:03:46,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:03:46,034 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:03:46,221 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:46,229 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:03:46,290 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:46,312 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:03:46,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46 WrapperNode [2018-12-09 00:03:46,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:46,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:46,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:03:46,313 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:03:46,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46" (1/1) ... [2018-12-09 00:03:46,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46" (1/1) ... [2018-12-09 00:03:46,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:46,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:03:46,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:03:46,331 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:03:46,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46" (1/1) ... [2018-12-09 00:03:46,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46" (1/1) ... [2018-12-09 00:03:46,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46" (1/1) ... [2018-12-09 00:03:46,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46" (1/1) ... [2018-12-09 00:03:46,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46" (1/1) ... [2018-12-09 00:03:46,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46" (1/1) ... [2018-12-09 00:03:46,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46" (1/1) ... [2018-12-09 00:03:46,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:03:46,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:03:46,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:03:46,355 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:03:46,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/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 [2018-12-09 00:03:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:03:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 00:03:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:03:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:03:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:03:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:03:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 00:03:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 00:03:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:03:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 00:03:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:03:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:03:48,659 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:03:48,659 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-12-09 00:03:48,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:48 BoogieIcfgContainer [2018-12-09 00:03:48,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:03:48,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:03:48,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:03:48,662 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:03:48,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:03:45" (1/3) ... [2018-12-09 00:03:48,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179d8d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:03:48, skipping insertion in model container [2018-12-09 00:03:48,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:46" (2/3) ... [2018-12-09 00:03:48,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179d8d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:03:48, skipping insertion in model container [2018-12-09 00:03:48,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:48" (3/3) ... [2018-12-09 00:03:48,664 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-09 00:03:48,670 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:03:48,674 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-12-09 00:03:48,683 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-12-09 00:03:48,699 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:03:48,699 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:03:48,699 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:03:48,699 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:03:48,700 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:03:48,700 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:03:48,700 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:03:48,700 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:03:48,700 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:03:48,709 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-12-09 00:03:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:03:48,712 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:48,713 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:48,714 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:48,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:48,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1677476360, now seen corresponding path program 1 times [2018-12-09 00:03:48,720 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 00:03:48,720 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 00:03:48,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:48,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:48,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:48,808 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:03:48,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:48,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 00:03:48,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 00:03:48,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 00:03:48,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:03:48,823 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2018-12-09 00:03:48,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:48,949 INFO L93 Difference]: Finished difference Result 115 states and 191 transitions. [2018-12-09 00:03:48,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:03:48,950 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-12-09 00:03:48,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:48,957 INFO L225 Difference]: With dead ends: 115 [2018-12-09 00:03:48,957 INFO L226 Difference]: Without dead ends: 68 [2018-12-09 00:03:48,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:03:48,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-09 00:03:48,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 44. [2018-12-09 00:03:48,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-09 00:03:48,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2018-12-09 00:03:48,985 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 11 [2018-12-09 00:03:48,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:48,985 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2018-12-09 00:03:48,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 00:03:48,986 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2018-12-09 00:03:48,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:03:48,986 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:48,986 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:48,986 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:48,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:48,987 INFO L82 PathProgramCache]: Analyzing trace with hash 498425151, now seen corresponding path program 1 times [2018-12-09 00:03:48,987 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 00:03:48,987 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 00:03:49,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:49,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:49,034 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:03:49,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:49,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:03:49,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:03:49,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:03:49,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:03:49,038 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand 3 states. [2018-12-09 00:03:49,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:49,105 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2018-12-09 00:03:49,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:03:49,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-09 00:03:49,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:49,107 INFO L225 Difference]: With dead ends: 47 [2018-12-09 00:03:49,107 INFO L226 Difference]: Without dead ends: 45 [2018-12-09 00:03:49,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:03:49,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-09 00:03:49,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2018-12-09 00:03:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-09 00:03:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2018-12-09 00:03:49,111 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 12 [2018-12-09 00:03:49,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:49,111 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2018-12-09 00:03:49,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:03:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2018-12-09 00:03:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:03:49,112 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:49,112 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:49,112 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:49,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:49,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1728653526, now seen corresponding path program 1 times [2018-12-09 00:03:49,113 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 00:03:49,113 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 00:03:49,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:49,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:05:26,871 WARN L180 SmtUtils]: Spent 1.63 m on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2018-12-09 00:05:27,262 INFO L303 Elim1Store]: Index analysis took 385 ms [2018-12-09 00:05:27,264 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 5 treesize of output 1 [2018-12-09 00:05:27,265 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 00:06:01,955 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:06:07,812 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:06:07,814 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:06:11,189 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:06:49,985 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:06:52,190 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:06:52,192 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:06:53,631 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:07:22,180 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:07:23,191 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:07:23,193 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:07:25,518 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:08:16,668 INFO L303 Elim1Store]: Index analysis took 581 ms [2018-12-09 00:08:16,669 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 63 treesize of output 67 [2018-12-09 00:08:16,724 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 13 treesize of output 16 [2018-12-09 00:08:16,916 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:16,976 INFO L303 Elim1Store]: Index analysis took 250 ms [2018-12-09 00:08:16,977 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 [2018-12-09 00:08:16,977 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-09 00:08:17,313 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:08:24,315 INFO L303 Elim1Store]: Index analysis took 259 ms [2018-12-09 00:08:24,316 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 63 treesize of output 65 [2018-12-09 00:08:24,365 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 45 treesize of output 42 [2018-12-09 00:08:24,423 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:24,479 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-12-09 00:08:24,480 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 42 treesize of output 47 [2018-12-09 00:08:24,566 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:24,634 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:24,690 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:24,950 INFO L303 Elim1Store]: Index analysis took 467 ms [2018-12-09 00:08:24,950 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 39 treesize of output 61 [2018-12-09 00:08:24,951 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-09 00:08:25,302 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:08:25,604 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:08:26,309 INFO L303 Elim1Store]: Index analysis took 238 ms [2018-12-09 00:08:26,310 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 57 treesize of output 55 [2018-12-09 00:08:26,359 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:26,380 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:26,426 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:26,687 INFO L303 Elim1Store]: Index analysis took 375 ms [2018-12-09 00:08:26,728 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 32 treesize of output 73 [2018-12-09 00:08:26,730 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 8 xjuncts. [2018-12-09 00:08:28,139 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-09 00:08:29,229 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-12-09 00:08:42,992 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-12-09 00:08:44,342 INFO L303 Elim1Store]: Index analysis took 1348 ms [2018-12-09 00:08:44,342 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 74 treesize of output 65 [2018-12-09 00:08:44,442 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-09 00:08:44,659 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:45,066 INFO L303 Elim1Store]: Index analysis took 622 ms [2018-12-09 00:08:45,066 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 [2018-12-09 00:08:45,067 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-09 00:08:46,120 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:08:52,931 INFO L303 Elim1Store]: Index analysis took 1511 ms [2018-12-09 00:08:52,932 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-12-09 00:08:52,973 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 29 treesize of output 25 [2018-12-09 00:08:52,974 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-09 00:08:53,958 INFO L303 Elim1Store]: Index analysis took 438 ms [2018-12-09 00:08:53,978 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 2 case distinctions, treesize of input 47 treesize of output 59 [2018-12-09 00:08:54,086 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:54,187 INFO L303 Elim1Store]: Index analysis took 207 ms [2018-12-09 00:08:54,188 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 53 treesize of output 50 [2018-12-09 00:08:54,188 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-12-09 00:08:55,392 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-09 00:08:56,821 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 55 treesize of output 53 [2018-12-09 00:08:56,864 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 [2018-12-09 00:08:56,865 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-12-09 00:08:57,411 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:57,453 INFO L303 Elim1Store]: Index analysis took 136 ms [2018-12-09 00:08:57,454 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 21 treesize of output 31 [2018-12-09 00:08:57,544 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:57,568 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:57,584 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:57,763 INFO L303 Elim1Store]: Index analysis took 308 ms [2018-12-09 00:08:57,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-12-09 00:08:57,764 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-12-09 00:08:58,053 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:08:58,399 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:08:58,562 INFO L303 Elim1Store]: Index analysis took 162 ms [2018-12-09 00:08:58,563 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 42 treesize of output 40 [2018-12-09 00:08:58,587 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 [2018-12-09 00:08:58,587 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-12-09 00:08:58,962 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:59,025 INFO L303 Elim1Store]: Index analysis took 148 ms [2018-12-09 00:08:59,026 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 21 treesize of output 31 [2018-12-09 00:08:59,134 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:59,148 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:59,161 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:08:59,429 INFO L303 Elim1Store]: Index analysis took 401 ms [2018-12-09 00:08:59,429 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 23 treesize of output 46 [2018-12-09 00:08:59,430 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:00,023 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:00,372 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:01,182 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-09 00:09:06,344 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-09 00:09:28,079 INFO L303 Elim1Store]: Index analysis took 117 ms [2018-12-09 00:09:28,080 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 65 treesize of output 69 [2018-12-09 00:09:28,088 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 13 treesize of output 16 [2018-12-09 00:09:28,100 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:28,113 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 [2018-12-09 00:09:28,114 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:28,161 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:28,338 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 65 treesize of output 67 [2018-12-09 00:09:28,346 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 47 treesize of output 44 [2018-12-09 00:09:28,377 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:28,393 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 44 treesize of output 49 [2018-12-09 00:09:28,416 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:28,427 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:28,431 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:28,473 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 41 treesize of output 67 [2018-12-09 00:09:28,473 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:28,604 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:28,657 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:28,790 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 61 [2018-12-09 00:09:28,804 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:28,808 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:28,826 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:28,930 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 6 case distinctions, treesize of input 38 treesize of output 88 [2018-12-09 00:09:28,935 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-12-09 00:09:28,935 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:29,259 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:29,263 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:29,269 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:29,272 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:29,272 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:09:29,307 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 0 case distinctions, treesize of input 38 treesize of output 72 [2018-12-09 00:09:29,321 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:29,325 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:29,329 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:29,368 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 0 case distinctions, treesize of input 30 treesize of output 73 [2018-12-09 00:09:29,369 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:29,444 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:30,078 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,085 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,090 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,092 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,095 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,142 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 0 case distinctions, treesize of input 38 treesize of output 72 [2018-12-09 00:09:30,157 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,167 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,172 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,179 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,184 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,191 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,196 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,269 INFO L303 Elim1Store]: Index analysis took 123 ms [2018-12-09 00:09:30,270 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 84 [2018-12-09 00:09:30,270 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:30,399 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:30,656 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,658 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,659 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:09:30,661 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,670 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 0 case distinctions, treesize of input 38 treesize of output 72 [2018-12-09 00:09:30,677 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,680 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:30,680 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:09:30,689 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 0 case distinctions, treesize of input 30 treesize of output 65 [2018-12-09 00:09:30,690 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:30,724 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:31,018 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:31,022 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:31,046 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:31,110 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 76 [2018-12-09 00:09:31,140 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:31,227 INFO L303 Elim1Store]: Index analysis took 114 ms [2018-12-09 00:09:31,253 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 85 [2018-12-09 00:09:31,253 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 2 xjuncts. [2018-12-09 00:09:31,502 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:31,505 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:31,508 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:31,512 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:31,512 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:09:31,515 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:31,539 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 83 [2018-12-09 00:09:31,539 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:31,765 INFO L267 ElimStorePlain]: Start of recursive call 55: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 00:09:32,433 INFO L267 ElimStorePlain]: Start of recursive call 47: 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-12-09 00:09:32,776 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-12-09 00:09:33,178 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-12-09 00:09:33,670 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-12-09 00:09:34,050 INFO L303 Elim1Store]: Index analysis took 378 ms [2018-12-09 00:09:34,051 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 76 treesize of output 67 [2018-12-09 00:09:34,086 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 13 treesize of output 16 [2018-12-09 00:09:34,129 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:34,171 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 [2018-12-09 00:09:34,171 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:34,316 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:34,755 INFO L303 Elim1Store]: Index analysis took 208 ms [2018-12-09 00:09:34,756 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2018-12-09 00:09:34,763 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 29 treesize of output 25 [2018-12-09 00:09:34,764 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:34,853 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 36 [2018-12-09 00:09:34,853 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:34,932 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 63 [2018-12-09 00:09:34,941 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 61 [2018-12-09 00:09:34,951 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 17 treesize of output 19 [2018-12-09 00:09:34,966 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 22 [2018-12-09 00:09:34,966 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:34,985 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,031 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,142 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,148 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 47 treesize of output 57 [2018-12-09 00:09:35,158 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,161 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,164 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,176 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 48 [2018-12-09 00:09:35,176 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,232 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,346 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,351 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 58 treesize of output 68 [2018-12-09 00:09:35,360 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,362 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,365 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,374 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 48 [2018-12-09 00:09:35,375 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,436 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,563 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,567 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 60 [2018-12-09 00:09:35,567 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,685 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,688 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,690 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,709 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 72 [2018-12-09 00:09:35,721 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,725 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,725 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:09:35,748 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 0 case distinctions, treesize of input 38 treesize of output 63 [2018-12-09 00:09:35,758 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,761 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:35,789 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 35 treesize of output 50 [2018-12-09 00:09:35,790 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,821 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,860 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,914 INFO L267 ElimStorePlain]: Start of recursive call 64: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,945 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:35,987 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:36,929 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 60 treesize of output 74 [2018-12-09 00:09:36,936 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 67 [2018-12-09 00:09:36,941 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 14 treesize of output 15 [2018-12-09 00:09:36,941 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:36,984 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:37,127 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,130 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,130 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:09:37,137 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 0 case distinctions, treesize of input 52 treesize of output 67 [2018-12-09 00:09:37,143 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,150 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 26 [2018-12-09 00:09:37,150 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:37,180 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:37,260 INFO L267 ElimStorePlain]: Start of recursive call 76: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-09 00:09:37,307 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 59 treesize of output 54 [2018-12-09 00:09:37,314 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,316 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,321 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,362 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 4 case distinctions, treesize of input 31 treesize of output 63 [2018-12-09 00:09:37,365 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-12-09 00:09:37,365 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:37,480 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,482 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,487 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,533 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 70 [2018-12-09 00:09:37,533 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 4 xjuncts. [2018-12-09 00:09:37,731 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,734 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,738 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,741 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,744 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,761 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 0 case distinctions, treesize of input 31 treesize of output 68 [2018-12-09 00:09:37,762 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:37,954 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,955 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,955 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:09:37,957 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:37,962 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 31 treesize of output 50 [2018-12-09 00:09:37,962 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,076 INFO L267 ElimStorePlain]: Start of recursive call 82: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-09 00:09:38,222 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-09 00:09:38,277 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 55 treesize of output 52 [2018-12-09 00:09:38,289 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,311 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 0 case distinctions, treesize of input 24 treesize of output 36 [2018-12-09 00:09:38,318 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,321 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,323 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,334 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 40 [2018-12-09 00:09:38,334 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,353 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,387 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,413 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 55 treesize of output 52 [2018-12-09 00:09:38,418 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,419 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:09:38,423 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 0 case distinctions, treesize of input 24 treesize of output 39 [2018-12-09 00:09:38,428 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,433 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 26 [2018-12-09 00:09:38,434 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,447 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,474 INFO L267 ElimStorePlain]: Start of recursive call 90: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,507 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 44 [2018-12-09 00:09:38,512 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 11 treesize of output 14 [2018-12-09 00:09:38,518 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 14 treesize of output 15 [2018-12-09 00:09:38,518 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,530 INFO L267 ElimStorePlain]: Start of recursive call 94: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,558 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,619 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 55 treesize of output 52 [2018-12-09 00:09:38,636 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,639 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,642 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,659 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 26 treesize of output 48 [2018-12-09 00:09:38,665 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,666 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,668 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,670 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,671 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:38,680 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 0 case distinctions, treesize of input 28 treesize of output 65 [2018-12-09 00:09:38,681 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,706 INFO L267 ElimStorePlain]: Start of recursive call 97: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:38,750 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:39,388 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: 3 dim-0 vars, and 32 xjuncts. [2018-12-09 00:09:39,388 INFO L202 ElimStorePlain]: Needed 98 recursive calls to eliminate 10 variables, input treesize:212, output treesize:3927 [2018-12-09 00:09:40,385 WARN L180 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 105 [2018-12-09 00:09:40,852 WARN L180 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-12-09 00:09:40,864 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:40,866 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:40,866 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 88 treesize of output 78 [2018-12-09 00:09:40,871 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:40,872 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:40,879 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 27 [2018-12-09 00:09:40,880 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-09 00:09:40,901 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 15 [2018-12-09 00:09:40,901 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:40,912 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:41,389 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 143 treesize of output 105 [2018-12-09 00:09:41,396 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:41,398 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 83 treesize of output 74 [2018-12-09 00:09:41,399 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:41,480 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 68 treesize of output 53 [2018-12-09 00:09:41,481 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:41,551 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 82 treesize of output 62 [2018-12-09 00:09:41,551 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:41,612 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:41,613 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:41,614 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 62 treesize of output 59 [2018-12-09 00:09:41,614 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:41,672 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-12-09 00:09:42,210 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 108 treesize of output 91 [2018-12-09 00:09:42,214 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:42,214 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 21 treesize of output 22 [2018-12-09 00:09:42,215 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:42,235 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 0 case distinctions, treesize of input 45 treesize of output 32 [2018-12-09 00:09:42,235 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:42,248 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:42,739 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 149 treesize of output 113 [2018-12-09 00:09:42,747 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:42,750 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 10 [2018-12-09 00:09:42,750 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:42,776 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 0 case distinctions, treesize of input 43 treesize of output 32 [2018-12-09 00:09:42,777 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:42,795 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:43,206 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:43,208 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 102 treesize of output 85 [2018-12-09 00:09:43,213 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 0 case distinctions, treesize of input 44 treesize of output 29 [2018-12-09 00:09:43,214 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:43,227 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:43,658 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 76 treesize of output 49 [2018-12-09 00:09:43,664 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:43,678 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 27 [2018-12-09 00:09:43,678 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-12-09 00:09:43,696 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 22 treesize of output 8 [2018-12-09 00:09:43,696 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:43,698 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 0 case distinctions, treesize of input 25 treesize of output 16 [2018-12-09 00:09:43,699 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:43,708 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-09 00:09:44,042 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 39 [2018-12-09 00:09:44,045 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:44,045 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 17 treesize of output 16 [2018-12-09 00:09:44,046 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:44,056 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 [2018-12-09 00:09:44,056 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:44,061 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:44,347 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 100 treesize of output 77 [2018-12-09 00:09:44,351 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:44,353 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 0 case distinctions, treesize of input 41 treesize of output 32 [2018-12-09 00:09:44,354 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:44,378 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 [2018-12-09 00:09:44,378 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:44,395 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:44,675 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 53 treesize of output 43 [2018-12-09 00:09:44,680 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:44,681 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 [2018-12-09 00:09:44,681 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:44,696 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 [2018-12-09 00:09:44,697 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:44,704 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:44,721 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 51 [2018-12-09 00:09:44,725 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 37 treesize of output 32 [2018-12-09 00:09:44,725 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:44,771 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:44,772 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 39 treesize of output 33 [2018-12-09 00:09:44,772 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:44,807 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:44,807 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 22 [2018-12-09 00:09:44,808 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:44,831 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 27 treesize of output 15 [2018-12-09 00:09:44,831 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:44,847 INFO L267 ElimStorePlain]: Start of recursive call 31: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-09 00:09:45,075 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:45,077 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:45,077 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 46 treesize of output 42 [2018-12-09 00:09:45,080 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:45,093 INFO L478 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 27 [2018-12-09 00:09:45,094 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:45,103 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:45,103 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 16 treesize of output 8 [2018-12-09 00:09:45,104 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:45,109 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:45,277 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 45 treesize of output 35 [2018-12-09 00:09:45,281 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:45,282 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 [2018-12-09 00:09:45,282 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:45,293 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 [2018-12-09 00:09:45,293 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:45,299 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:45,420 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 48 treesize of output 35 [2018-12-09 00:09:45,424 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 0 case distinctions, treesize of input 17 treesize of output 8 [2018-12-09 00:09:45,424 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:45,429 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:45,461 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 12 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-09 00:09:45,461 INFO L202 ElimStorePlain]: Needed 43 recursive calls to eliminate 20 variables, input treesize:691, output treesize:11 [2018-12-09 00:09:45,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:09:45,486 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:09:45,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:09:45,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 00:09:45,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 00:09:45,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:09:45,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:09:45,489 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand 5 states. [2018-12-09 00:09:47,939 WARN L180 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-12-09 00:09:49,688 WARN L180 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 190 [2018-12-09 00:09:52,828 WARN L180 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-12-09 00:09:53,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:09:53,156 INFO L93 Difference]: Finished difference Result 56 states and 68 transitions. [2018-12-09 00:09:53,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:09:53,158 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-12-09 00:09:53,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:09:53,158 INFO L225 Difference]: With dead ends: 56 [2018-12-09 00:09:53,158 INFO L226 Difference]: Without dead ends: 31 [2018-12-09 00:09:53,158 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:09:53,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-09 00:09:53,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2018-12-09 00:09:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-12-09 00:09:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2018-12-09 00:09:53,161 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 13 [2018-12-09 00:09:53,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:09:53,161 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2018-12-09 00:09:53,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 00:09:53,161 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2018-12-09 00:09:53,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:09:53,161 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:09:53,162 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:09:53,162 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:09:53,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:09:53,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1442173420, now seen corresponding path program 1 times [2018-12-09 00:09:53,162 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 00:09:53,162 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 00:09:53,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:09:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:09:53,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:09:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:09:53,200 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:09:53,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:09:53,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:09:53,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:09:53,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:09:53,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:09:53,202 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 3 states. [2018-12-09 00:09:55,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:09:55,240 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2018-12-09 00:09:55,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:09:55,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-09 00:09:55,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:09:55,242 INFO L225 Difference]: With dead ends: 31 [2018-12-09 00:09:55,242 INFO L226 Difference]: Without dead ends: 29 [2018-12-09 00:09:55,242 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:09:55,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-12-09 00:09:55,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2018-12-09 00:09:55,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-09 00:09:55,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2018-12-09 00:09:55,245 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 13 [2018-12-09 00:09:55,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:09:55,245 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2018-12-09 00:09:55,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:09:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2018-12-09 00:09:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 00:09:55,245 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:09:55,245 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:09:55,245 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:09:55,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:09:55,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1987574280, now seen corresponding path program 1 times [2018-12-09 00:09:55,246 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 00:09:55,246 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 00:09:55,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:09:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:09:55,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:09:56,232 WARN L180 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-12-09 00:09:56,321 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:56,322 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 29 treesize of output 38 [2018-12-09 00:09:56,395 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:56,462 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:09:56,463 INFO L303 Elim1Store]: Index analysis took 116 ms [2018-12-09 00:09:56,464 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 0 case distinctions, treesize of input 27 treesize of output 42 [2018-12-09 00:09:56,496 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 30 treesize of output 36 [2018-12-09 00:09:56,496 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:09:56,862 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:57,402 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:09:58,406 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:58,485 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:59,139 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:09:59,340 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:00,175 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:00,210 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:00,836 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 44 [2018-12-09 00:10:00,851 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 18 treesize of output 21 [2018-12-09 00:10:00,866 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:00,879 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 21 treesize of output 31 [2018-12-09 00:10:00,899 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:00,908 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:00,922 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:00,963 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 [2018-12-09 00:10:00,964 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,052 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,107 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,232 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 51 treesize of output 52 [2018-12-09 00:10:01,248 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 22 treesize of output 25 [2018-12-09 00:10:01,261 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:01,269 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 25 treesize of output 35 [2018-12-09 00:10:01,286 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:01,289 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:01,292 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:01,309 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 27 treesize of output 39 [2018-12-09 00:10:01,310 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,349 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,373 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,426 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,470 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,677 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 68 treesize of output 77 [2018-12-09 00:10:01,691 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 21 treesize of output 24 [2018-12-09 00:10:01,705 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:01,710 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 [2018-12-09 00:10:01,711 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,729 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,773 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,895 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 68 treesize of output 75 [2018-12-09 00:10:01,909 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:01,914 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 [2018-12-09 00:10:01,914 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:01,949 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:02,021 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 11 variables, input treesize:152, output treesize:59 [2018-12-09 00:10:02,058 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:02,060 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:02,061 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:02,062 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:10:02,063 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 0 case distinctions, treesize of input 26 treesize of output 25 [2018-12-09 00:10:02,063 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,163 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 47 treesize of output 68 [2018-12-09 00:10:02,169 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 [2018-12-09 00:10:02,170 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,193 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,235 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:02,236 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:87, output treesize:59 [2018-12-09 00:10:02,315 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 45 treesize of output 66 [2018-12-09 00:10:02,324 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 [2018-12-09 00:10:02,324 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,356 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:02,412 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:72, output treesize:68 [2018-12-09 00:10:02,568 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 67 [2018-12-09 00:10:02,579 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 [2018-12-09 00:10:02,579 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,620 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 [2018-12-09 00:10:02,620 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,647 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 9 treesize of output 1 [2018-12-09 00:10:02,647 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,661 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 9 treesize of output 1 [2018-12-09 00:10:02,662 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,684 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:02,685 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:79, output treesize:7 [2018-12-09 00:10:02,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:10:02,705 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:10:02,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:10:02,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:10:02,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:10:02,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:10:02,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:10:02,708 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 7 states. [2018-12-09 00:10:18,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:10:18,015 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2018-12-09 00:10:18,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:10:18,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-09 00:10:18,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:10:18,017 INFO L225 Difference]: With dead ends: 87 [2018-12-09 00:10:18,018 INFO L226 Difference]: Without dead ends: 65 [2018-12-09 00:10:18,018 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:10:18,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-09 00:10:18,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 37. [2018-12-09 00:10:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-09 00:10:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2018-12-09 00:10:18,025 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 19 [2018-12-09 00:10:18,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:10:18,025 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2018-12-09 00:10:18,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:10:18,025 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-12-09 00:10:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 00:10:18,025 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:10:18,026 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:10:18,026 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:10:18,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:10:18,026 INFO L82 PathProgramCache]: Analyzing trace with hash -315623446, now seen corresponding path program 1 times [2018-12-09 00:10:18,026 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 00:10:18,026 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 00:10:18,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:10:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:10:18,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:10:19,320 WARN L180 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2018-12-09 00:10:19,343 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:19,344 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-12-09 00:10:19,402 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:19,403 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:10:19,404 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 0 case distinctions, treesize of input 28 treesize of output 34 [2018-12-09 00:10:19,444 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:19,446 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 0 case distinctions, treesize of input 22 treesize of output 34 [2018-12-09 00:10:19,446 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:19,646 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:19,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:20,364 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-12-09 00:10:20,379 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 13 treesize of output 16 [2018-12-09 00:10:20,408 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:20,409 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-09 00:10:20,409 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:20,552 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:20,762 INFO L303 Elim1Store]: Index analysis took 105 ms [2018-12-09 00:10:20,763 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-12-09 00:10:20,773 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 [2018-12-09 00:10:20,773 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:20,812 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:20,855 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,016 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:21,026 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:21,168 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 63 [2018-12-09 00:10:21,173 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 13 treesize of output 16 [2018-12-09 00:10:21,178 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:21,182 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 16 treesize of output 23 [2018-12-09 00:10:21,182 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,198 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,267 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 63 [2018-12-09 00:10:21,271 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 18 treesize of output 21 [2018-12-09 00:10:21,277 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:21,280 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 21 treesize of output 31 [2018-12-09 00:10:21,287 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:21,288 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:21,290 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:21,295 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 [2018-12-09 00:10:21,295 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,317 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,332 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,370 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,400 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,459 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:21,459 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 8 variables, input treesize:145, output treesize:133 [2018-12-09 00:10:21,504 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:21,507 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:21,509 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:21,512 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:21,513 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 0 case distinctions, treesize of input 39 treesize of output 61 [2018-12-09 00:10:21,513 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,621 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 113 [2018-12-09 00:10:21,628 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-12-09 00:10:21,628 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,670 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,724 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:21,724 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:151, output treesize:133 [2018-12-09 00:10:21,833 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 126 [2018-12-09 00:10:21,842 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:21,846 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 [2018-12-09 00:10:21,846 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,896 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:21,954 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:21,954 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:152, output treesize:133 [2018-12-09 00:10:22,098 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 82 [2018-12-09 00:10:22,104 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:22,107 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 21 [2018-12-09 00:10:22,107 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:22,135 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 [2018-12-09 00:10:22,135 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:22,169 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:22,169 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 [2018-12-09 00:10:22,169 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:22,189 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 29 treesize of output 13 [2018-12-09 00:10:22,189 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:22,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:22,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:22,206 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:135, output treesize:4 [2018-12-09 00:10:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:10:22,223 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:10:22,264 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:22,268 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:22,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:22,271 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:18 [2018-12-09 00:10:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:10:22,373 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:10:22,373 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/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 [2018-12-09 00:10:22,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:10:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:10:22,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:10:23,321 WARN L180 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2018-12-09 00:10:23,357 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:23,358 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-12-09 00:10:23,409 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:23,409 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:10:23,410 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 0 case distinctions, treesize of input 28 treesize of output 36 [2018-12-09 00:10:23,436 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:23,437 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 0 case distinctions, treesize of input 24 treesize of output 36 [2018-12-09 00:10:23,437 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:23,677 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:23,898 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:24,429 INFO L303 Elim1Store]: Index analysis took 104 ms [2018-12-09 00:10:24,429 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-12-09 00:10:24,445 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 13 treesize of output 16 [2018-12-09 00:10:24,477 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:24,478 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 16 treesize of output 23 [2018-12-09 00:10:24,479 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:24,621 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:24,856 INFO L303 Elim1Store]: Index analysis took 109 ms [2018-12-09 00:10:24,856 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-12-09 00:10:24,867 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 [2018-12-09 00:10:24,868 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:24,908 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:24,945 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:25,110 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:25,120 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:25,267 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 63 [2018-12-09 00:10:25,272 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 13 treesize of output 16 [2018-12-09 00:10:25,280 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:25,285 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 [2018-12-09 00:10:25,285 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:25,307 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:25,392 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 54 treesize of output 63 [2018-12-09 00:10:25,397 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 18 treesize of output 21 [2018-12-09 00:10:25,406 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:25,410 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 21 treesize of output 31 [2018-12-09 00:10:25,418 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:25,420 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:25,422 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:25,429 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 [2018-12-09 00:10:25,429 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:25,454 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:25,473 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:25,514 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:25,552 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:25,614 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:25,614 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 8 variables, input treesize:142, output treesize:132 [2018-12-09 00:10:25,706 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:25,709 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:25,711 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:25,713 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:25,713 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 0 case distinctions, treesize of input 39 treesize of output 61 [2018-12-09 00:10:25,714 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:25,818 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 113 [2018-12-09 00:10:25,827 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 [2018-12-09 00:10:25,828 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:25,878 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:25,938 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:25,938 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:148, output treesize:130 [2018-12-09 00:10:26,092 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 126 [2018-12-09 00:10:26,105 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:26,109 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 [2018-12-09 00:10:26,109 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:26,167 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:26,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:26,229 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:149, output treesize:130 [2018-12-09 00:10:26,429 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 84 [2018-12-09 00:10:26,435 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 [2018-12-09 00:10:26,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:26,488 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:26,491 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 21 [2018-12-09 00:10:26,491 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:26,518 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 31 treesize of output 19 [2018-12-09 00:10:26,518 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:26,535 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:10:26,536 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 [2018-12-09 00:10:26,536 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 00:10:26,541 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:26,547 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:10:26,548 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:137, output treesize:4 [2018-12-09 00:10:26,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:10:26,550 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:10:26,552 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:26,556 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:26,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:10:26,559 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:18 [2018-12-09 00:10:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:10:26,671 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-09 00:10:26,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7] total 15 [2018-12-09 00:10:26,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 00:10:26,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 00:10:26,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-12-09 00:10:26,672 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 15 states. [2018-12-09 00:10:32,523 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-12-09 00:10:36,926 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-12-09 00:10:39,246 WARN L180 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 98 [2018-12-09 00:10:47,630 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-12-09 00:10:56,313 WARN L180 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 36 [2018-12-09 00:10:57,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:10:57,005 INFO L93 Difference]: Finished difference Result 116 states and 147 transitions. [2018-12-09 00:10:57,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 00:10:57,006 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 20 [2018-12-09 00:10:57,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:10:57,006 INFO L225 Difference]: With dead ends: 116 [2018-12-09 00:10:57,006 INFO L226 Difference]: Without dead ends: 114 [2018-12-09 00:10:57,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2018-12-09 00:10:57,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-09 00:10:57,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 59. [2018-12-09 00:10:57,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-09 00:10:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2018-12-09 00:10:57,013 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 72 transitions. Word has length 20 [2018-12-09 00:10:57,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:10:57,014 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 72 transitions. [2018-12-09 00:10:57,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 00:10:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2018-12-09 00:10:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 00:10:57,014 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:10:57,014 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:10:57,015 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:10:57,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:10:57,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1629998095, now seen corresponding path program 2 times [2018-12-09 00:10:57,015 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 00:10:57,015 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 00:10:57,028 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-09 00:10:57,120 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-09 00:10:57,120 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 00:10:57,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:11:29,175 WARN L180 SmtUtils]: Spent 32.05 s on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2018-12-09 00:11:29,658 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:11:29,659 INFO L303 Elim1Store]: Index analysis took 483 ms [2018-12-09 00:11:29,659 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 29 treesize of output 38 [2018-12-09 00:11:30,237 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:11:30,238 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:11:30,239 INFO L303 Elim1Store]: Index analysis took 557 ms [2018-12-09 00:11:30,239 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 0 case distinctions, treesize of input 28 treesize of output 34 [2018-12-09 00:11:31,103 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:11:31,104 INFO L303 Elim1Store]: Index analysis took 864 ms [2018-12-09 00:11:31,105 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 0 case distinctions, treesize of input 22 treesize of output 34 [2018-12-09 00:11:31,105 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:11:35,068 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:11:38,435 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:11:49,460 INFO L303 Elim1Store]: Index analysis took 2016 ms [2018-12-09 00:11:49,460 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 33 [2018-12-09 00:11:49,602 INFO L303 Elim1Store]: Index analysis took 140 ms [2018-12-09 00:11:49,602 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 13 treesize of output 16 [2018-12-09 00:11:50,338 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:11:50,824 INFO L303 Elim1Store]: Index analysis took 1221 ms [2018-12-09 00:11:50,825 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 [2018-12-09 00:11:50,825 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-09 00:11:52,461 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:11:56,338 INFO L303 Elim1Store]: Index analysis took 1642 ms [2018-12-09 00:11:56,338 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 32 treesize of output 33 [2018-12-09 00:11:56,440 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 12 treesize of output 1 [2018-12-09 00:11:56,440 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-09 00:11:57,187 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:11:58,204 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:02,135 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:02,396 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:04,832 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:04,964 INFO L303 Elim1Store]: Index analysis took 755 ms [2018-12-09 00:12:04,965 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 49 treesize of output 73 [2018-12-09 00:12:05,018 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-12-09 00:12:05,053 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 23 treesize of output 23 [2018-12-09 00:12:05,054 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:05,495 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:06,340 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:06,987 INFO L303 Elim1Store]: Index analysis took 763 ms [2018-12-09 00:12:06,987 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 52 treesize of output 69 [2018-12-09 00:12:07,015 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 18 treesize of output 21 [2018-12-09 00:12:07,051 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:07,087 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 21 treesize of output 31 [2018-12-09 00:12:07,129 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:07,147 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:07,163 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:07,232 INFO L303 Elim1Store]: Index analysis took 143 ms [2018-12-09 00:12:07,232 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 [2018-12-09 00:12:07,232 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:07,608 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:07,749 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:08,320 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:08,685 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:09,685 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:09,718 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:10,642 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:10,671 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:11,184 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:11,240 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 69 [2018-12-09 00:12:11,567 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-09 00:12:11,575 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 13 treesize of output 16 [2018-12-09 00:12:11,588 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:11,589 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 [2018-12-09 00:12:11,589 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:11,622 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:11,718 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:11,779 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 87 [2018-12-09 00:12:11,785 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 18 treesize of output 21 [2018-12-09 00:12:11,801 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-12-09 00:12:11,826 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 34 [2018-12-09 00:12:11,827 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:11,850 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:11,872 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:11,939 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:11,972 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 75 treesize of output 107 [2018-12-09 00:12:11,980 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-12-09 00:12:11,990 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:11,994 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 25 treesize of output 35 [2018-12-09 00:12:12,005 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,007 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,009 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,016 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 27 treesize of output 58 [2018-12-09 00:12:12,016 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:12,041 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:12,061 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:12,104 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:12,144 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:12,184 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:12,284 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:12,284 INFO L202 ElimStorePlain]: Needed 33 recursive calls to eliminate 11 variables, input treesize:235, output treesize:184 [2018-12-09 00:12:12,342 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,344 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,347 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,350 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,352 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,353 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 0 case distinctions, treesize of input 37 treesize of output 61 [2018-12-09 00:12:12,353 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:12,475 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,495 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,516 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 154 [2018-12-09 00:12:12,524 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 8 treesize of output 7 [2018-12-09 00:12:12,524 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:12,586 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:12,667 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,696 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 128 [2018-12-09 00:12:12,703 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 [2018-12-09 00:12:12,703 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:12,734 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:12,796 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:12,796 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:213, output treesize:193 [2018-12-09 00:12:12,877 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,920 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,932 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 167 [2018-12-09 00:12:12,945 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:12,949 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-12-09 00:12:12,949 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,020 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,132 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:13,167 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 141 [2018-12-09 00:12:13,178 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:13,181 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 [2018-12-09 00:12:13,181 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,213 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,271 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. [2018-12-09 00:12:13,271 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:231, output treesize:193 [2018-12-09 00:12:13,445 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:13,457 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 98 [2018-12-09 00:12:13,464 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 [2018-12-09 00:12:13,464 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,493 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 [2018-12-09 00:12:13,493 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,515 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:13,516 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 [2018-12-09 00:12:13,516 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,529 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:13,571 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:200, output treesize:132 [2018-12-09 00:12:13,624 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:13,629 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:13,635 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 84 [2018-12-09 00:12:13,640 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:13,655 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2018-12-09 00:12:13,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,683 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 [2018-12-09 00:12:13,683 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,707 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:12:13,708 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 [2018-12-09 00:12:13,708 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,720 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 29 treesize of output 13 [2018-12-09 00:12:13,720 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,726 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,732 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:12:13,732 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:133, output treesize:4 [2018-12-09 00:12:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:13,760 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:12:13,845 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:13,852 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:13,868 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:13,875 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:13,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-09 00:12:13,881 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:57, output treesize:46 [2018-12-09 00:12:18,926 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-12-09 00:12:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:18,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:12:18,940 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e286f7b4-e5e4-472c-b324-b6bfc972f42b/bin-2019/utaipan/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 [2018-12-09 00:12:18,946 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-09 00:12:30,974 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-09 00:12:30,974 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 00:12:30,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:13:03,910 WARN L180 SmtUtils]: Spent 32.93 s on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2018-12-09 00:13:04,467 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:13:04,468 INFO L303 Elim1Store]: Index analysis took 557 ms [2018-12-09 00:13:04,468 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 29 treesize of output 38 [2018-12-09 00:13:05,062 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:13:05,063 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 00:13:05,064 INFO L303 Elim1Store]: Index analysis took 576 ms [2018-12-09 00:13:05,064 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 0 case distinctions, treesize of input 28 treesize of output 34 [2018-12-09 00:13:05,487 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:13:05,488 INFO L303 Elim1Store]: Index analysis took 423 ms [2018-12-09 00:13:05,488 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 0 case distinctions, treesize of input 22 treesize of output 34 [2018-12-09 00:13:05,489 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 00:13:09,905 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:13:13,758 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:13:23,885 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:13:24,218 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:13:32,034 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:13:32,186 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 00:13:35,575 INFO L303 Elim1Store]: Index analysis took 852 ms [2018-12-09 00:13:35,575 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 67 [2018-12-09 00:13:35,622 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-09 00:13:35,818 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:13:35,956 INFO L303 Elim1Store]: Index analysis took 333 ms [2018-12-09 00:13:35,956 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 [2018-12-09 00:13:35,956 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-09 00:13:36,879 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 00:13:38,420 INFO L303 Elim1Store]: Index analysis took 668 ms [2018-12-09 00:13:38,420 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 70 [2018-12-09 00:13:38,458 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-12-09 00:13:38,458 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-09 00:13:39,122 INFO L303 Elim1Store]: Index analysis took 265 ms [2018-12-09 00:13:39,123 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 0 case distinctions, treesize of input 62 treesize of output 64 [2018-12-09 00:13:39,153 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 19 treesize of output 22 [2018-12-09 00:13:39,211 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:13:39,310 INFO L303 Elim1Store]: Index analysis took 156 ms [2018-12-09 00:13:39,310 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 22 treesize of output 32 [2018-12-09 00:13:39,370 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:13:39,396 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:13:39,451 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:13:39,600 INFO L303 Elim1Store]: Index analysis took 288 ms [2018-12-09 00:13:39,600 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 46 [2018-12-09 00:13:39,668 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:13:39,708 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:13:39,729 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 00:13:39,879 INFO L303 Elim1Store]: Index analysis took 278 ms [2018-12-09 00:13:40,080 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 00:13:40,081 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_86 input size 18 context size 18 output size 18 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.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.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) [2018-12-09 00:13:40,085 INFO L168 Benchmark]: Toolchain (without parser) took 594086.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 938.0 MB in the beginning and 1.2 GB in the end (delta: -248.9 MB). Peak memory consumption was 253.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:13:40,085 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:13:40,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-12-09 00:13:40,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:13:40,086 INFO L168 Benchmark]: Boogie Preprocessor took 23.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:13:40,086 INFO L168 Benchmark]: RCFGBuilder took 2304.22 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: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:13:40,087 INFO L168 Benchmark]: TraceAbstraction took 591424.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -123.2 MB). Peak memory consumption was 248.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:13:40,088 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2304.22 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: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 591424.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -123.2 MB). Peak memory consumption was 248.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_86 input size 18 context size 18 output size 18 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_86 input size 18 context size 18 output size 18: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...