./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/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 65263b67fd81174d35f819c28bc33cb1f3e6621f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/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 65263b67fd81174d35f819c28bc33cb1f3e6621f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_69 term size 37 --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:02:29,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:02:29,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:02:29,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:02:29,832 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:02:29,833 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:02:29,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:02:29,836 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:02:29,837 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:02:29,838 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:02:29,839 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:02:29,839 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:02:29,840 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:02:29,841 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:02:29,842 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:02:29,843 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:02:29,843 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:02:29,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:02:29,847 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:02:29,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:02:29,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:02:29,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:02:29,853 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:02:29,853 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:02:29,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:02:29,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:02:29,856 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:02:29,857 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:02:29,857 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:02:29,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:02:29,858 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:02:29,859 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:02:29,859 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:02:29,859 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:02:29,860 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:02:29,862 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:02:29,862 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 06:02:29,875 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:02:29,876 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:02:29,876 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:02:29,877 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 06:02:29,877 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 06:02:29,877 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 06:02:29,878 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 06:02:29,878 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 06:02:29,878 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 06:02:29,878 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 06:02:29,878 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 06:02:29,879 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:02:29,879 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:02:29,879 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:02:29,880 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:02:29,880 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:02:29,880 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:02:29,880 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:02:29,880 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:02:29,880 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:02:29,883 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:02:29,883 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:02:29,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:02:29,883 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:02:29,884 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:02:29,884 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:02:29,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:02:29,884 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:02:29,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:02:29,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:02:29,885 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 06:02:29,885 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:02:29,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:02:29,885 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 06:02:29,885 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_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/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 -> 65263b67fd81174d35f819c28bc33cb1f3e6621f [2018-11-10 06:02:29,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:02:29,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:02:29,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:02:29,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:02:29,932 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:02:29,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-10 06:02:29,981 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/data/ea9c897ad/e24d3ae226594121be081fdb28a4607f/FLAG5259421d2 [2018-11-10 06:02:30,386 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:02:30,387 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-10 06:02:30,400 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/data/ea9c897ad/e24d3ae226594121be081fdb28a4607f/FLAG5259421d2 [2018-11-10 06:02:30,412 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/data/ea9c897ad/e24d3ae226594121be081fdb28a4607f [2018-11-10 06:02:30,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:02:30,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:02:30,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:02:30,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:02:30,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:02:30,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:02:30" (1/1) ... [2018-11-10 06:02:30,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19740b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30, skipping insertion in model container [2018-11-10 06:02:30,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:02:30" (1/1) ... [2018-11-10 06:02:30,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:02:30,465 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:02:30,697 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:02:30,703 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:02:30,747 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:02:30,776 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:02:30,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30 WrapperNode [2018-11-10 06:02:30,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:02:30,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:02:30,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:02:30,777 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:02:30,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2018-11-10 06:02:30,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2018-11-10 06:02:30,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:02:30,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:02:30,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:02:30,878 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:02:30,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2018-11-10 06:02:30,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2018-11-10 06:02:30,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2018-11-10 06:02:30,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2018-11-10 06:02:30,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2018-11-10 06:02:30,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2018-11-10 06:02:30,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2018-11-10 06:02:30,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:02:30,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:02:30,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:02:30,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:02:30,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/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 [2018-11-10 06:02:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2018-11-10 06:02:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2018-11-10 06:02:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2018-11-10 06:02:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2018-11-10 06:02:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-10 06:02:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-10 06:02:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:02:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:02:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2018-11-10 06:02:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2018-11-10 06:02:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:02:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:02:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2018-11-10 06:02:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2018-11-10 06:02:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2018-11-10 06:02:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2018-11-10 06:02:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2018-11-10 06:02:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2018-11-10 06:02:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2018-11-10 06:02:30,966 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2018-11-10 06:02:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2018-11-10 06:02:30,966 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2018-11-10 06:02:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:02:30,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:02:31,435 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:02:31,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:02:31 BoogieIcfgContainer [2018-11-10 06:02:31,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:02:31,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 06:02:31,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 06:02:31,439 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 06:02:31,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:02:30" (1/3) ... [2018-11-10 06:02:31,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2634fd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:02:31, skipping insertion in model container [2018-11-10 06:02:31,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (2/3) ... [2018-11-10 06:02:31,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2634fd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:02:31, skipping insertion in model container [2018-11-10 06:02:31,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:02:31" (3/3) ... [2018-11-10 06:02:31,442 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-10 06:02:31,449 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 06:02:31,456 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 06:02:31,467 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 06:02:31,492 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 06:02:31,492 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 06:02:31,492 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 06:02:31,492 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:02:31,492 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:02:31,492 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 06:02:31,493 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:02:31,493 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 06:02:31,509 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-11-10 06:02:31,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 06:02:31,514 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:02:31,515 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:02:31,516 INFO L424 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:02:31,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:02:31,521 INFO L82 PathProgramCache]: Analyzing trace with hash 887528102, now seen corresponding path program 1 times [2018-11-10 06:02:31,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:02:31,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:02:31,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:02:31,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:02:31,574 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:02:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:02:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:02:31,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:02:31,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 06:02:31,668 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:02:31,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 06:02:31,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 06:02:31,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 06:02:31,683 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-11-10 06:02:31,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:02:31,720 INFO L93 Difference]: Finished difference Result 262 states and 404 transitions. [2018-11-10 06:02:31,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 06:02:31,721 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-11-10 06:02:31,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:02:31,729 INFO L225 Difference]: With dead ends: 262 [2018-11-10 06:02:31,729 INFO L226 Difference]: Without dead ends: 126 [2018-11-10 06:02:31,734 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 06:02:31,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-10 06:02:31,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-10 06:02:31,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-10 06:02:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2018-11-10 06:02:31,781 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 25 [2018-11-10 06:02:31,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:02:31,781 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2018-11-10 06:02:31,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 06:02:31,782 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2018-11-10 06:02:31,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 06:02:31,784 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:02:31,784 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:02:31,784 INFO L424 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:02:31,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:02:31,785 INFO L82 PathProgramCache]: Analyzing trace with hash -2097574358, now seen corresponding path program 1 times [2018-11-10 06:02:31,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:02:31,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:02:31,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:02:31,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:02:31,787 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:02:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:02:32,705 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2018-11-10 06:02:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:02:32,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:02:32,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2018-11-10 06:02:32,834 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:02:32,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-10 06:02:32,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-10 06:02:32,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2018-11-10 06:02:32,837 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand 24 states. [2018-11-10 06:02:34,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:02:34,372 INFO L93 Difference]: Finished difference Result 186 states and 222 transitions. [2018-11-10 06:02:34,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-10 06:02:34,373 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 54 [2018-11-10 06:02:34,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:02:34,376 INFO L225 Difference]: With dead ends: 186 [2018-11-10 06:02:34,376 INFO L226 Difference]: Without dead ends: 183 [2018-11-10 06:02:34,377 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=132, Invalid=1128, Unknown=0, NotChecked=0, Total=1260 [2018-11-10 06:02:34,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-11-10 06:02:34,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 142. [2018-11-10 06:02:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-10 06:02:34,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 164 transitions. [2018-11-10 06:02:34,393 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 164 transitions. Word has length 54 [2018-11-10 06:02:34,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:02:34,393 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 164 transitions. [2018-11-10 06:02:34,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-10 06:02:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 164 transitions. [2018-11-10 06:02:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 06:02:34,394 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:02:34,394 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:02:34,395 INFO L424 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:02:34,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:02:34,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1557916368, now seen corresponding path program 1 times [2018-11-10 06:02:34,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:02:34,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:02:34,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:02:34,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:02:34,396 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:02:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:02:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:02:35,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:02:35,421 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 06:02:35,422 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 58 with the following transitions: [2018-11-10 06:02:35,423 INFO L202 CegarAbsIntRunner]: [0], [3], [7], [10], [13], [19], [23], [25], [28], [35], [39], [42], [45], [51], [52], [53], [54], [70], [74], [80], [84], [92], [95], [233], [235], [236], [255], [257], [261], [265], [271], [381], [386], [388], [389], [390], [391], [394], [395], [398], [408], [409], [410], [411], [412], [414], [415], [416] [2018-11-10 06:02:35,470 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 06:02:35,470 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 06:02:35,978 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 06:02:35,979 INFO L272 AbstractInterpreter]: Visited 48 different actions 57 times. Never merged. Never widened. Never found a fixpoint. Largest state had 53 variables. [2018-11-10 06:02:35,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:02:35,994 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 06:02:35,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:02:35,994 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/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 [2018-11-10 06:02:36,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:02:36,005 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 06:02:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:02:36,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:02:36,129 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:02:36,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-11-10 06:02:36,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-11-10 06:02:36,149 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 06:02:36,159 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:02:36,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:02:36,165 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:18 [2018-11-10 06:02:36,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 06:02:36,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:02:36,211 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 06:02:36,213 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:02:36,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:02:36,220 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2018-11-10 06:02:36,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 34 [2018-11-10 06:02:36,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-11-10 06:02:36,253 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 06:02:36,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:02:36,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:02:36,279 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-11-10 06:02:36,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 56 [2018-11-10 06:02:36,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-10 06:02:36,356 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 06:02:36,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 38 [2018-11-10 06:02:36,429 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:36,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 38 [2018-11-10 06:02:36,485 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:36,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 43 [2018-11-10 06:02:36,534 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-11-10 06:02:36,619 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:02:36,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-10 06:02:36,666 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:36, output treesize:75 [2018-11-10 06:02:36,903 WARN L854 $PredicateComparison]: unable to prove that (exists ((|alloc_node_write~$Pointer$_#ptr.offset| Int) (chain_node_~node~0.base Int) (|chain_node_write~$Pointer$_#value.base| Int) (|alloc_node_write~$Pointer$_#value.base| Int) (|chain_node_write~$Pointer$_#ptr.offset| Int)) (= (let ((.cse0 (store |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base (let ((.cse1 (store (store (select |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base) 0 0) |alloc_node_write~$Pointer$_#ptr.offset| |alloc_node_write~$Pointer$_#value.base|))) (store .cse1 0 (select (select (store |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base .cse1) |c_chain_node_#in~ppnode.base|) |c_chain_node_#in~ppnode.offset|)))))) (store .cse0 |c_chain_node_#in~ppnode.base| (store (select .cse0 |c_chain_node_#in~ppnode.base|) |chain_node_write~$Pointer$_#ptr.offset| |chain_node_write~$Pointer$_#value.base|))) |c_#memory_$Pointer$.base|)) is different from true [2018-11-10 06:02:45,731 WARN L179 SmtUtils]: Spent 8.81 s on a formula simplification. DAG size of input: 198 DAG size of output: 158 [2018-11-10 06:02:45,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 62 [2018-11-10 06:02:45,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 53 [2018-11-10 06:02:45,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 27 [2018-11-10 06:02:45,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-11-10 06:02:45,800 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 06:02:45,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 31 [2018-11-10 06:02:45,828 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 3 xjuncts. [2018-11-10 06:02:45,846 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:02:45,862 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:02:45,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 57 [2018-11-10 06:02:45,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 67 [2018-11-10 06:02:45,963 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:02:45,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 53 [2018-11-10 06:02:45,967 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 06:02:46,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 66 [2018-11-10 06:02:46,050 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 3 xjuncts. [2018-11-10 06:02:46,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 58 [2018-11-10 06:02:46,185 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:46,229 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 06:02:46,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 53 [2018-11-10 06:02:46,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2018-11-10 06:02:46,295 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-10 06:02:46,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 57 [2018-11-10 06:02:46,338 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 3 xjuncts. [2018-11-10 06:02:46,369 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:02:46,426 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:02:46,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2018-11-10 06:02:46,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 51 [2018-11-10 06:02:46,586 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:46,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 65 [2018-11-10 06:02:46,659 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 8 xjuncts. [2018-11-10 06:02:46,736 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:02:46,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2018-11-10 06:02:46,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 73 [2018-11-10 06:02:46,796 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 8 xjuncts. [2018-11-10 06:02:46,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 55 [2018-11-10 06:02:46,923 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:46,994 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-10 06:02:47,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2018-11-10 06:02:47,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 23 [2018-11-10 06:02:47,246 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,259 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 40 [2018-11-10 06:02:47,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 23 [2018-11-10 06:02:47,274 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,288 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 40 [2018-11-10 06:02:47,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 23 [2018-11-10 06:02:47,301 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,315 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2018-11-10 06:02:47,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 23 [2018-11-10 06:02:47,330 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,343 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 36 [2018-11-10 06:02:47,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 23 [2018-11-10 06:02:47,357 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,371 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,724 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 16 xjuncts. [2018-11-10 06:02:47,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 76 treesize of output 96 [2018-11-10 06:02:47,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 76 [2018-11-10 06:02:47,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 50 [2018-11-10 06:02:47,805 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 55 [2018-11-10 06:02:47,828 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,867 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:02:47,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 73 [2018-11-10 06:02:48,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 80 [2018-11-10 06:02:48,066 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 4 xjuncts. [2018-11-10 06:02:48,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 85 [2018-11-10 06:02:48,089 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 4 xjuncts. [2018-11-10 06:02:48,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 64 [2018-11-10 06:02:48,276 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:48,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 69 [2018-11-10 06:02:48,292 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:48,401 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-10 06:02:48,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2018-11-10 06:02:48,604 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:48,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2018-11-10 06:02:48,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 53 [2018-11-10 06:02:48,920 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 6 xjuncts. [2018-11-10 06:02:48,973 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 06:02:48,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 56 [2018-11-10 06:02:48,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 37 [2018-11-10 06:02:48,989 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2018-11-10 06:02:49,016 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:02:49,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2018-11-10 06:02:49,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 16 treesize of output 37 [2018-11-10 06:02:49,338 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 4 xjuncts. [2018-11-10 06:02:49,364 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 06:02:49,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 46 [2018-11-10 06:02:49,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 26 treesize of output 57 [2018-11-10 06:02:49,414 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 16 xjuncts. [2018-11-10 06:02:49,508 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-11-10 06:02:49,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2018-11-10 06:02:49,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 21 treesize of output 64 [2018-11-10 06:02:49,589 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 32 xjuncts. [2018-11-10 06:02:49,716 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-10 06:02:49,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2018-11-10 06:02:49,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 30 [2018-11-10 06:02:49,738 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 4 xjuncts. [2018-11-10 06:02:49,771 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 06:02:50,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 50 [2018-11-10 06:02:50,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 36 treesize of output 60 [2018-11-10 06:02:50,157 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 6 xjuncts. [2018-11-10 06:02:50,194 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 06:02:50,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 52 [2018-11-10 06:02:50,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 41 treesize of output 65 [2018-11-10 06:02:50,220 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 6 xjuncts. [2018-11-10 06:02:50,266 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 06:02:50,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2018-11-10 06:02:50,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 53 [2018-11-10 06:02:50,287 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 6 xjuncts. [2018-11-10 06:02:50,327 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 06:02:50,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2018-11-10 06:02:50,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 53 [2018-11-10 06:02:50,353 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 6 xjuncts. [2018-11-10 06:02:50,399 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 06:02:50,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2018-11-10 06:02:50,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 61 [2018-11-10 06:02:50,779 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 16 xjuncts. [2018-11-10 06:02:50,859 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-11-10 06:02:50,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 38 [2018-11-10 06:02:50,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 24 treesize of output 57 [2018-11-10 06:02:50,888 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 16 xjuncts. [2018-11-10 06:02:50,959 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-11-10 06:02:50,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-11-10 06:02:50,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 21 treesize of output 64 [2018-11-10 06:02:50,994 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 32 xjuncts. [2018-11-10 06:02:51,145 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-10 06:02:51,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 40 [2018-11-10 06:02:51,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 22 treesize of output 68 [2018-11-10 06:02:51,181 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 32 xjuncts. [2018-11-10 06:02:51,288 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-10 06:02:51,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 40 [2018-11-10 06:02:51,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 26 treesize of output 57 [2018-11-10 06:02:51,318 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 16 xjuncts. [2018-11-10 06:02:51,389 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-11-10 06:02:51,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-11-10 06:02:51,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 21 treesize of output 64 [2018-11-10 06:02:51,426 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 32 xjuncts. [2018-11-10 06:02:51,523 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-10 06:02:51,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 43 [2018-11-10 06:02:51,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 11 case distinctions, treesize of input 32 treesize of output 88 [2018-11-10 06:02:51,564 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-10 06:02:51,573 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 56 xjuncts. [2018-11-10 06:02:51,961 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 12 xjuncts. [2018-11-10 06:02:51,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2018-11-10 06:02:51,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 16 treesize of output 37 [2018-11-10 06:02:51,981 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 4 xjuncts. [2018-11-10 06:02:52,010 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 06:02:52,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 42 [2018-11-10 06:02:52,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 13 case distinctions, treesize of input 27 treesize of output 103 [2018-11-10 06:02:52,065 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-11-10 06:02:52,150 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 512 xjuncts. [2018-11-10 06:02:56,873 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-1 vars, End of recursive call: and 17 xjuncts. [2018-11-10 06:02:58,041 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, 6 dim-2 vars, End of recursive call: and 34 xjuncts. [2018-11-10 06:03:12,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 73 [2018-11-10 06:03:12,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 62 [2018-11-10 06:03:12,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 54 [2018-11-10 06:03:12,726 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:12,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 67 [2018-11-10 06:03:12,741 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 2 xjuncts. [2018-11-10 06:03:12,835 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 50 [2018-11-10 06:03:12,836 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 2 xjuncts. [2018-11-10 06:03:12,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 54 [2018-11-10 06:03:12,841 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:12,910 INFO L267 ElimStorePlain]: Start of recursive call 80: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:03:12,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2018-11-10 06:03:12,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 54 [2018-11-10 06:03:12,994 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 3 xjuncts. [2018-11-10 06:03:13,021 INFO L267 ElimStorePlain]: Start of recursive call 85: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:03:13,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2018-11-10 06:03:13,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 41 [2018-11-10 06:03:13,032 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 2 xjuncts. [2018-11-10 06:03:13,054 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:03:13,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2018-11-10 06:03:13,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 37 [2018-11-10 06:03:13,076 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 2 xjuncts. [2018-11-10 06:03:13,096 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:13,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2018-11-10 06:03:13,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 42 [2018-11-10 06:03:13,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 48 [2018-11-10 06:03:13,337 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 06:03:13,337 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_42 term size 21 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:216) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 06:03:13,341 INFO L168 Benchmark]: Toolchain (without parser) took 42924.91 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 641.2 MB). Free memory was 958.5 MB in the beginning and 1.3 GB in the end (delta: -390.5 MB). Peak memory consumption was 708.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:03:13,341 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:03:13,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.97 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 928.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:03:13,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -214.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:03:13,342 INFO L168 Benchmark]: Boogie Preprocessor took 38.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:03:13,342 INFO L168 Benchmark]: RCFGBuilder took 519.03 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: 56.1 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2018-11-10 06:03:13,343 INFO L168 Benchmark]: TraceAbstraction took 41903.52 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 491.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -265.5 MB). Peak memory consumption was 684.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:03:13,344 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.97 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 928.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -214.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 519.03 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: 56.1 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41903.52 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 491.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -265.5 MB). Peak memory consumption was 684.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_42 term size 21 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_42 term size 21: 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 0.1.23-1dbac8b [2018-11-10 06:03:14,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:03:14,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:03:14,994 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:03:14,994 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:03:14,995 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:03:14,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:03:14,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:03:14,999 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:03:15,000 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:03:15,000 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:03:15,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:03:15,002 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:03:15,003 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:03:15,004 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:03:15,004 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:03:15,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:03:15,007 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:03:15,009 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:03:15,011 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:03:15,011 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:03:15,012 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:03:15,015 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:03:15,015 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:03:15,016 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:03:15,016 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:03:15,018 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:03:15,018 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:03:15,019 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:03:15,020 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:03:15,020 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:03:15,021 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:03:15,021 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:03:15,022 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:03:15,022 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:03:15,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:03:15,023 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 06:03:15,036 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:03:15,036 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:03:15,037 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:03:15,037 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 06:03:15,038 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 06:03:15,038 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 06:03:15,038 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 06:03:15,038 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 06:03:15,039 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:03:15,039 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:03:15,039 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:03:15,040 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:03:15,040 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:03:15,040 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:03:15,040 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:03:15,040 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 06:03:15,040 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 06:03:15,040 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:03:15,040 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:03:15,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:03:15,041 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:03:15,041 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:03:15,041 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:03:15,041 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:03:15,041 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:03:15,041 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:03:15,042 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:03:15,042 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:03:15,042 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 06:03:15,042 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:03:15,042 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 06:03:15,042 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 06:03:15,042 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_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/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 -> 65263b67fd81174d35f819c28bc33cb1f3e6621f [2018-11-10 06:03:15,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:03:15,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:03:15,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:03:15,097 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:03:15,097 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:03:15,098 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-10 06:03:15,154 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/data/686105cb1/d29d7b47cf724416a4ecb8699a550098/FLAG5fcb491a6 [2018-11-10 06:03:15,551 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:03:15,552 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-10 06:03:15,560 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/data/686105cb1/d29d7b47cf724416a4ecb8699a550098/FLAG5fcb491a6 [2018-11-10 06:03:15,570 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/data/686105cb1/d29d7b47cf724416a4ecb8699a550098 [2018-11-10 06:03:15,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:03:15,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:03:15,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:03:15,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:03:15,578 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:03:15,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:03:15" (1/1) ... [2018-11-10 06:03:15,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d1eaf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:15, skipping insertion in model container [2018-11-10 06:03:15,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:03:15" (1/1) ... [2018-11-10 06:03:15,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:03:15,630 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:03:15,916 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:03:15,926 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:03:15,975 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:03:16,023 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:03:16,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16 WrapperNode [2018-11-10 06:03:16,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:03:16,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:03:16,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:03:16,025 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:03:16,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16" (1/1) ... [2018-11-10 06:03:16,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16" (1/1) ... [2018-11-10 06:03:16,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:03:16,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:03:16,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:03:16,135 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:03:16,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16" (1/1) ... [2018-11-10 06:03:16,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16" (1/1) ... [2018-11-10 06:03:16,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16" (1/1) ... [2018-11-10 06:03:16,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16" (1/1) ... [2018-11-10 06:03:16,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16" (1/1) ... [2018-11-10 06:03:16,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16" (1/1) ... [2018-11-10 06:03:16,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16" (1/1) ... [2018-11-10 06:03:16,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:03:16,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:03:16,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:03:16,181 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:03:16,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/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 [2018-11-10 06:03:16,227 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2018-11-10 06:03:16,227 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2018-11-10 06:03:16,227 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2018-11-10 06:03:16,227 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2018-11-10 06:03:16,227 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-10 06:03:16,227 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-10 06:03:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:03:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:03:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2018-11-10 06:03:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2018-11-10 06:03:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:03:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:03:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2018-11-10 06:03:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2018-11-10 06:03:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2018-11-10 06:03:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2018-11-10 06:03:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2018-11-10 06:03:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2018-11-10 06:03:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2018-11-10 06:03:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2018-11-10 06:03:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2018-11-10 06:03:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2018-11-10 06:03:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:03:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:03:16,815 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:03:16,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:03:16 BoogieIcfgContainer [2018-11-10 06:03:16,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:03:16,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 06:03:16,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 06:03:16,820 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 06:03:16,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:03:15" (1/3) ... [2018-11-10 06:03:16,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58246e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:03:16, skipping insertion in model container [2018-11-10 06:03:16,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:16" (2/3) ... [2018-11-10 06:03:16,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58246e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:03:16, skipping insertion in model container [2018-11-10 06:03:16,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:03:16" (3/3) ... [2018-11-10 06:03:16,823 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-10 06:03:16,833 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 06:03:16,843 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 06:03:16,858 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 06:03:16,879 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 06:03:16,880 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 06:03:16,880 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 06:03:16,880 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 06:03:16,880 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:03:16,880 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:03:16,880 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 06:03:16,880 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:03:16,880 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 06:03:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-11-10 06:03:16,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 06:03:16,900 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:03:16,900 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:03:16,902 INFO L424 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:03:16,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:03:16,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1010250019, now seen corresponding path program 1 times [2018-11-10 06:03:16,911 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 06:03:16,911 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 06:03:16,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:03:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:03:17,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:03:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:03:17,034 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 06:03:17,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:03:17,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 06:03:17,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 06:03:17,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 06:03:17,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 06:03:17,053 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-11-10 06:03:17,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:03:17,100 INFO L93 Difference]: Finished difference Result 256 states and 398 transitions. [2018-11-10 06:03:17,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 06:03:17,102 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-11-10 06:03:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:03:17,112 INFO L225 Difference]: With dead ends: 256 [2018-11-10 06:03:17,112 INFO L226 Difference]: Without dead ends: 123 [2018-11-10 06:03:17,115 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 06:03:17,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-10 06:03:17,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-10 06:03:17,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-10 06:03:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-11-10 06:03:17,163 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 25 [2018-11-10 06:03:17,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:03:17,163 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-11-10 06:03:17,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 06:03:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-11-10 06:03:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 06:03:17,165 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:03:17,166 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:03:17,166 INFO L424 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:03:17,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:03:17,166 INFO L82 PathProgramCache]: Analyzing trace with hash 288863952, now seen corresponding path program 1 times [2018-11-10 06:03:17,167 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 06:03:17,167 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3c229c8-df55-4e46-aeb1-b9d0f395ea26/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 06:03:17,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:03:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:03:17,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:03:17,514 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:17,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-11-10 06:03:17,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-11-10 06:03:17,527 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:17,535 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:17,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:17,545 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:18 [2018-11-10 06:03:17,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 06:03:17,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:17,804 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:17,808 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:17,817 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:17,817 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:19 [2018-11-10 06:03:17,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 43 [2018-11-10 06:03:17,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-11-10 06:03:17,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:18,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2018-11-10 06:03:18,131 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:18,227 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:18,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:18,294 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:47, output treesize:68 [2018-11-10 06:03:18,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2018-11-10 06:03:18,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-11-10 06:03:18,449 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 06:03:18,468 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 06:03:18,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 33 [2018-11-10 06:03:18,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:18,562 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:18,582 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:18,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 42 [2018-11-10 06:03:18,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-10 06:03:18,591 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:18,606 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:18,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-11-10 06:03:18,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-11-10 06:03:18,657 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:18,669 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:18,709 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:18,710 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:86, output treesize:56 [2018-11-10 06:03:19,109 WARN L854 $PredicateComparison]: unable to prove that (exists ((|alloc_node_write~$Pointer$_#value.base| (_ BitVec 32)) (|chain_node_read~$Pointer$_#value.base| (_ BitVec 32)) (alloc_node_~ptr~0.offset (_ BitVec 32)) (|alloc_node_write~$Pointer$_#ptr.offset| (_ BitVec 32)) (chain_node_~node~0.offset (_ BitVec 32)) (|chain_node_write~$Pointer$_#value.base| (_ BitVec 32))) (and (not (= |chain_node_write~$Pointer$_#value.base| (_ bv0 32))) (= (select |c_old(#valid)| |chain_node_write~$Pointer$_#value.base|) (_ bv0 1)) (= (let ((.cse0 (store |c_old(#memory_$Pointer$.base)| |chain_node_write~$Pointer$_#value.base| (store (store (store (select |c_old(#memory_$Pointer$.base)| |chain_node_write~$Pointer$_#value.base|) alloc_node_~ptr~0.offset (_ bv0 32)) |alloc_node_write~$Pointer$_#ptr.offset| |alloc_node_write~$Pointer$_#value.base|) chain_node_~node~0.offset |chain_node_read~$Pointer$_#value.base|)))) (store .cse0 |c_chain_node_#in~ppnode.base| (store (select .cse0 |c_chain_node_#in~ppnode.base|) |c_chain_node_#in~ppnode.offset| |chain_node_write~$Pointer$_#value.base|))) |c_#memory_$Pointer$.base|))) is different from true [2018-11-10 06:03:20,147 WARN L179 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2018-11-10 06:03:20,153 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:20,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 60 [2018-11-10 06:03:20,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-11-10 06:03:20,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 23 [2018-11-10 06:03:20,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2018-11-10 06:03:20,233 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-10 06:03:20,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 19 treesize of output 38 [2018-11-10 06:03:20,329 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 8 xjuncts. [2018-11-10 06:03:20,426 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:03:20,499 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:03:20,606 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:20,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2018-11-10 06:03:20,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:20,620 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:20,637 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:20,642 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:20,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 37 [2018-11-10 06:03:20,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:20,657 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:20,676 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:20,682 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:20,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2018-11-10 06:03:20,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:20,697 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:20,716 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:20,721 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:20,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 29 [2018-11-10 06:03:20,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:20,734 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:20,751 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:20,756 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:20,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2018-11-10 06:03:20,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:20,769 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:20,784 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:20,902 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:03:21,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:21,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 78 [2018-11-10 06:03:21,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 69 treesize of output 71 [2018-11-10 06:03:21,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 23 [2018-11-10 06:03:21,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2018-11-10 06:03:21,459 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-11-10 06:03:21,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 19 treesize of output 38 [2018-11-10 06:03:21,553 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 8 xjuncts. [2018-11-10 06:03:21,650 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:03:21,765 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:03:22,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 67 [2018-11-10 06:03:22,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 77 [2018-11-10 06:03:22,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 82 [2018-11-10 06:03:22,848 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 4 xjuncts. [2018-11-10 06:03:23,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 82 [2018-11-10 06:03:23,645 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-10 06:03:24,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 64 treesize of output 102 [2018-11-10 06:03:24,258 INFO L267 ElimStorePlain]: Start of recursive call 26: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 24 xjuncts. [2018-11-10 06:03:25,405 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: 6 dim-0 vars, and 14 xjuncts. [2018-11-10 06:03:26,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 67 [2018-11-10 06:03:26,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 82 [2018-11-10 06:03:26,413 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 8 xjuncts. [2018-11-10 06:03:26,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 66 [2018-11-10 06:03:26,796 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-11-10 06:03:27,055 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:03:28,145 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 11 dim-0 vars, and 18 xjuncts. [2018-11-10 06:03:32,292 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:32,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 67 [2018-11-10 06:03:32,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:32,310 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,358 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:32,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 78 [2018-11-10 06:03:32,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:32,389 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,444 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,449 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:32,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 59 [2018-11-10 06:03:32,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:32,462 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,501 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,507 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:32,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 79 [2018-11-10 06:03:32,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:32,526 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,591 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,596 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:32,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 71 [2018-11-10 06:03:32,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:32,613 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,665 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,670 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:32,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 67 [2018-11-10 06:03:32,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:32,687 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,755 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,762 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:32,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 63 [2018-11-10 06:03:32,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:32,781 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,819 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,824 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:32,835 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 63 [2018-11-10 06:03:32,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:32,840 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,880 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,885 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:32,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 72 [2018-11-10 06:03:32,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:32,905 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,949 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:32,955 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:32,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 72 [2018-11-10 06:03:32,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:32,973 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,015 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,022 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:33,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 72 [2018-11-10 06:03:33,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:33,047 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,098 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,104 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:33,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 72 [2018-11-10 06:03:33,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:33,123 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,181 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,187 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:33,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 67 [2018-11-10 06:03:33,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:33,205 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,265 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,271 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:33,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 67 [2018-11-10 06:03:33,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:33,286 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,332 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,338 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:33,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 71 [2018-11-10 06:03:33,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:33,354 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,400 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,405 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:33,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 68 [2018-11-10 06:03:33,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:33,420 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,457 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,462 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:33,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 67 [2018-11-10 06:03:33,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:33,477 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,518 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,523 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:33,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 63 [2018-11-10 06:03:33,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 06:03:33,536 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:33,575 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:03:36,448 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:36,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 82 [2018-11-10 06:03:36,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 73 treesize of output 72 [2018-11-10 06:03:36,504 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:36,672 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:36,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 70 [2018-11-10 06:03:36,690 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:36,796 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:36,805 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:36,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 82 [2018-11-10 06:03:36,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 73 treesize of output 72 [2018-11-10 06:03:36,877 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:37,035 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:37,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 70 [2018-11-10 06:03:37,056 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:37,169 INFO L267 ElimStorePlain]: Start of recursive call 69: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:37,176 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:37,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 68 treesize of output 82 [2018-11-10 06:03:37,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 72 [2018-11-10 06:03:37,237 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:37,420 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:37,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 74 [2018-11-10 06:03:37,444 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:37,563 INFO L267 ElimStorePlain]: Start of recursive call 72: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:37,573 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:37,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 82 [2018-11-10 06:03:37,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 73 treesize of output 72 [2018-11-10 06:03:37,653 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:37,839 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:37,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 70 [2018-11-10 06:03:37,856 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:37,970 INFO L267 ElimStorePlain]: Start of recursive call 75: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:37,979 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:38,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 78 [2018-11-10 06:03:38,034 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:38,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 74 [2018-11-10 06:03:38,051 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:38,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2018-11-10 06:03:38,237 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:38,338 INFO L267 ElimStorePlain]: Start of recursive call 78: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:03:40,908 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:40,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 63 treesize of output 75 [2018-11-10 06:03:40,968 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:41,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 82 [2018-11-10 06:03:41,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 71 treesize of output 84 [2018-11-10 06:03:41,055 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-10 06:03:41,055 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-11-10 06:03:41,278 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:41,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 81 [2018-11-10 06:03:41,317 INFO L267 ElimStorePlain]: Start of recursive call 85: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-10 06:03:41,692 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:41,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 81 [2018-11-10 06:03:41,731 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 4 xjuncts. [2018-11-10 06:03:42,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 63 treesize of output 101 [2018-11-10 06:03:42,289 INFO L267 ElimStorePlain]: Start of recursive call 87: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 32 xjuncts. [2018-11-10 06:03:43,286 INFO L267 ElimStorePlain]: Start of recursive call 83: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: 6 dim-0 vars, and 13 xjuncts. [2018-11-10 06:03:44,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 66 [2018-11-10 06:03:44,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 81 [2018-11-10 06:03:44,921 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 8 xjuncts. [2018-11-10 06:03:45,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 65 [2018-11-10 06:03:45,221 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 2 xjuncts. [2018-11-10 06:03:45,467 INFO L267 ElimStorePlain]: Start of recursive call 88: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:03:47,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 85 [2018-11-10 06:03:47,345 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:03:47,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 77 treesize of output 114 [2018-11-10 06:03:47,447 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 32 xjuncts. [2018-11-10 06:03:48,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 90 [2018-11-10 06:03:48,256 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 4 xjuncts. [2018-11-10 06:03:48,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 71 treesize of output 86 [2018-11-10 06:03:48,898 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 4 xjuncts. [2018-11-10 06:03:50,050 INFO L267 ElimStorePlain]: Start of recursive call 91: 4 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-11-10 06:03:52,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 71 [2018-11-10 06:03:52,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 86 [2018-11-10 06:03:52,246 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 8 xjuncts. [2018-11-10 06:03:52,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 70 [2018-11-10 06:03:52,575 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 2 xjuncts. [2018-11-10 06:03:52,821 INFO L267 ElimStorePlain]: Start of recursive call 95: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:03:55,084 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: 11 dim-0 vars, and 33 xjuncts. [2018-11-10 06:03:58,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 59 [2018-11-10 06:03:58,566 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-11-10 06:04:01,590 INFO L267 ElimStorePlain]: Start of recursive call 81: 2 dim-1 vars, End of recursive call: 11 dim-0 vars, and 34 xjuncts. [2018-11-10 06:04:05,969 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 27 dim-0 vars, and 42 xjuncts. [2018-11-10 06:04:10,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 2 dim-2 vars, End of recursive call: 56 dim-0 vars, and 41 xjuncts. [2018-11-10 06:04:10,953 INFO L202 ElimStorePlain]: Needed 98 recursive calls to eliminate 15 variables, input treesize:146, output treesize:2111 [2018-11-10 06:04:11,922 WARN L179 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 62 [2018-11-10 06:04:12,390 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-10 06:04:12,390 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 06:04:12,459 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:04:12,460 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:04:12,462 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:04:12,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 52 [2018-11-10 06:04:12,523 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:04:12,525 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:04:12,526 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 06:04:12,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2018-11-10 06:04:12,528 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 06:04:12,546 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:04:12,596 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 06:04:12,597 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 10 variables, input treesize:224, output treesize:48 [2018-11-10 06:04:12,688 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:04:12,689 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 06:04:12,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2018-11-10 06:04:12,702 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 25 [2018-11-10 06:04:12,703 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 06:04:12,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 06:04:12,724 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 06:04:12,729 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:04:12,733 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 06:04:12,733 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:52, output treesize:4 [2018-11-10 06:04:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-11-10 06:04:12,872 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 06:04:13,451 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-11-10 06:04:13,565 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-11-10 06:04:13,908 WARN L179 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-11-10 06:04:14,162 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-11-10 06:04:15,179 WARN L179 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 135 [2018-11-10 06:04:15,417 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-11-10 06:04:15,822 WARN L179 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-11-10 06:04:16,182 WARN L179 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-11-10 06:04:16,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 82 [2018-11-10 06:04:16,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-11-10 06:04:16,300 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 06:04:16,380 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 06:04:16,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 88 [2018-11-10 06:04:16,892 WARN L179 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-10 06:04:16,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 69 treesize of output 72 [2018-11-10 06:04:16,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2018-11-10 06:04:16,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 43 [2018-11-10 06:04:16,994 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 8 xjuncts. [2018-11-10 06:04:17,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2018-11-10 06:04:17,166 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-10 06:04:17,289 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:04:17,419 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:04:17,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 72 [2018-11-10 06:04:17,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2018-11-10 06:04:17,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2018-11-10 06:04:17,476 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-10 06:04:17,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 43 [2018-11-10 06:04:17,610 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 8 xjuncts. [2018-11-10 06:04:17,739 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:04:17,863 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 06:04:17,863 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-10 06:04:17,864 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-10 06:04:18,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 70 [2018-11-10 06:04:18,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 114 [2018-11-10 06:04:18,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 85 [2018-11-10 06:04:18,819 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 4 xjuncts. [2018-11-10 06:04:20,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 71 treesize of output 135 [2018-11-10 06:04:20,266 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 32 xjuncts. [2018-11-10 06:04:21,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 98 treesize of output 106 [2018-11-10 06:04:21,262 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 4 xjuncts. [2018-11-10 06:04:22,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 57 [2018-11-10 06:04:22,035 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 4 xjuncts. [2018-11-10 06:04:22,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 9 case distinctions, treesize of input 68 treesize of output 168 [2018-11-10 06:04:22,899 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-10 06:04:22,906 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 64 xjuncts. [2018-11-10 06:04:24,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 70 [2018-11-10 06:04:24,130 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-11-10 06:04:24,553 INFO L267 ElimStorePlain]: Start of recursive call 15: 8 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-11-10 06:04:25,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2018-11-10 06:04:25,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 42 [2018-11-10 06:04:25,110 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-11-10 06:04:25,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 46 [2018-11-10 06:04:25,243 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 4 xjuncts. [2018-11-10 06:04:25,312 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 06:04:25,780 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 12 xjuncts. [2018-11-10 06:04:27,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 65 [2018-11-10 06:04:27,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2018-11-10 06:04:27,030 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-10 06:04:27,299 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 06:04:27,299 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_arrayElimCell_69 term size 37 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:383) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 06:04:27,302 INFO L168 Benchmark]: Toolchain (without parser) took 71729.74 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.7 MB). Free memory was 944.4 MB in the beginning and 883.0 MB in the end (delta: 61.4 MB). Peak memory consumption was 496.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:04:27,303 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:04:27,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.15 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 916.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:04:27,303 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 916.5 MB in the beginning and 1.1 GB in the end (delta: -207.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-11-10 06:04:27,304 INFO L168 Benchmark]: Boogie Preprocessor took 44.97 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-10 06:04:27,304 INFO L168 Benchmark]: RCFGBuilder took 635.64 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2018-11-10 06:04:27,304 INFO L168 Benchmark]: TraceAbstraction took 70484.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.1 GB in the beginning and 883.0 MB in the end (delta: 168.6 MB). Peak memory consumption was 472.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:04:27,306 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 450.15 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 916.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 916.5 MB in the beginning and 1.1 GB in the end (delta: -207.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.97 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 635.64 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 70484.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.1 GB in the beginning and 883.0 MB in the end (delta: 168.6 MB). Peak memory consumption was 472.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_69 term size 37 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_69 term size 37: 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...