./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/config/AutomizerReach.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_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 65263b67fd81174d35f819c28bc33cb1f3e6621f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:25:23,454 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:25:23,455 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:25:23,463 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:25:23,463 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:25:23,464 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:25:23,465 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:25:23,466 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:25:23,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:25:23,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:25:23,467 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:25:23,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:25:23,468 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:25:23,469 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:25:23,469 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:25:23,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:25:23,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:25:23,472 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:25:23,473 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:25:23,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:25:23,474 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:25:23,475 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:25:23,477 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:25:23,477 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:25:23,477 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:25:23,478 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:25:23,478 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:25:23,479 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:25:23,480 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:25:23,480 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:25:23,480 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:25:23,481 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:25:23,481 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:25:23,481 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:25:23,482 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:25:23,483 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:25:23,483 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:25:23,490 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:25:23,490 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:25:23,491 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:25:23,491 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:25:23,492 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:25:23,492 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:25:23,492 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:25:23,492 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:25:23,492 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:25:23,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:25:23,493 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:25:23,493 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:25:23,494 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:25:23,494 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:25:23,494 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:25:23,494 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:25:23,494 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:25:23,494 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:25:23,495 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:25:23,495 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:25:23,495 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:25:23,495 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:25:23,495 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:25:23,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:25:23,495 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:25:23,495 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:25:23,496 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:25:23,496 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:25:23,496 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:25:23,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:25:23,496 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_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65263b67fd81174d35f819c28bc33cb1f3e6621f [2018-11-28 13:25:23,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:25:23,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:25:23,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:25:23,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:25:23,535 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:25:23,535 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-28 13:25:23,574 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/data/05f92cbc7/66491d6ee27c4b9d971d87e61dc124a9/FLAGbc9f0225b [2018-11-28 13:25:24,029 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:25:24,030 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-28 13:25:24,042 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/data/05f92cbc7/66491d6ee27c4b9d971d87e61dc124a9/FLAGbc9f0225b [2018-11-28 13:25:24,053 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/data/05f92cbc7/66491d6ee27c4b9d971d87e61dc124a9 [2018-11-28 13:25:24,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:25:24,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:25:24,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:25:24,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:25:24,059 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:25:24,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:25:24" (1/1) ... [2018-11-28 13:25:24,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da43f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24, skipping insertion in model container [2018-11-28 13:25:24,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:25:24" (1/1) ... [2018-11-28 13:25:24,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:25:24,093 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:25:24,295 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:25:24,302 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:25:24,390 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:25:24,417 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:25:24,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24 WrapperNode [2018-11-28 13:25:24,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:25:24,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:25:24,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:25:24,418 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:25:24,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24" (1/1) ... [2018-11-28 13:25:24,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24" (1/1) ... [2018-11-28 13:25:24,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:25:24,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:25:24,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:25:24,445 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:25:24,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24" (1/1) ... [2018-11-28 13:25:24,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24" (1/1) ... [2018-11-28 13:25:24,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24" (1/1) ... [2018-11-28 13:25:24,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24" (1/1) ... [2018-11-28 13:25:24,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24" (1/1) ... [2018-11-28 13:25:24,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24" (1/1) ... [2018-11-28 13:25:24,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24" (1/1) ... [2018-11-28 13:25:24,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:25:24,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:25:24,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:25:24,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:25:24,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:25:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2018-11-28 13:25:24,509 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2018-11-28 13:25:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:25:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2018-11-28 13:25:24,509 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2018-11-28 13:25:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-28 13:25:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-28 13:25:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:25:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:25:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2018-11-28 13:25:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2018-11-28 13:25:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:25:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:25:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 13:25:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 13:25:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2018-11-28 13:25:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2018-11-28 13:25:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2018-11-28 13:25:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2018-11-28 13:25:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:25:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 13:25:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2018-11-28 13:25:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2018-11-28 13:25:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2018-11-28 13:25:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2018-11-28 13:25:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2018-11-28 13:25:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2018-11-28 13:25:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:25:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:25:24,912 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:25:24,912 INFO L280 CfgBuilder]: Removed 33 assue(true) statements. [2018-11-28 13:25:24,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:25:24 BoogieIcfgContainer [2018-11-28 13:25:24,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:25:24,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:25:24,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:25:24,916 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:25:24,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:25:24" (1/3) ... [2018-11-28 13:25:24,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e4e953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:25:24, skipping insertion in model container [2018-11-28 13:25:24,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:25:24" (2/3) ... [2018-11-28 13:25:24,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e4e953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:25:24, skipping insertion in model container [2018-11-28 13:25:24,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:25:24" (3/3) ... [2018-11-28 13:25:24,918 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-28 13:25:24,925 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:25:24,930 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:25:24,939 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:25:24,960 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:25:24,961 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:25:24,961 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:25:24,961 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:25:24,961 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:25:24,961 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:25:24,961 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:25:24,962 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:25:24,962 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:25:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-11-28 13:25:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 13:25:24,978 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:25:24,979 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:25:24,980 INFO L423 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:25:24,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:25:24,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1131221550, now seen corresponding path program 1 times [2018-11-28 13:25:24,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:25:24,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:25:25,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:25:25,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:25:25,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:25:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:25:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:25:25,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:25:25,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:25:25,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:25:25,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:25:25,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:25:25,092 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-11-28 13:25:25,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:25:25,121 INFO L93 Difference]: Finished difference Result 224 states and 366 transitions. [2018-11-28 13:25:25,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:25:25,123 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-28 13:25:25,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:25:25,131 INFO L225 Difference]: With dead ends: 224 [2018-11-28 13:25:25,131 INFO L226 Difference]: Without dead ends: 108 [2018-11-28 13:25:25,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:25:25,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-28 13:25:25,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-28 13:25:25,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-28 13:25:25,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 128 transitions. [2018-11-28 13:25:25,164 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 128 transitions. Word has length 24 [2018-11-28 13:25:25,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:25:25,165 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 128 transitions. [2018-11-28 13:25:25,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:25:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 128 transitions. [2018-11-28 13:25:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-28 13:25:25,166 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:25:25,167 INFO L402 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] [2018-11-28 13:25:25,167 INFO L423 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:25:25,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:25:25,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1707042986, now seen corresponding path program 1 times [2018-11-28 13:25:25,167 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:25:25,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:25:25,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:25:25,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:25:25,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:25:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:25:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:25:26,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:25:26,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2018-11-28 13:25:26,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-28 13:25:26,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-28 13:25:26,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2018-11-28 13:25:26,075 INFO L87 Difference]: Start difference. First operand 108 states and 128 transitions. Second operand 24 states. [2018-11-28 13:25:27,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:25:27,419 INFO L93 Difference]: Finished difference Result 154 states and 189 transitions. [2018-11-28 13:25:27,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 13:25:27,420 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 49 [2018-11-28 13:25:27,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:25:27,422 INFO L225 Difference]: With dead ends: 154 [2018-11-28 13:25:27,422 INFO L226 Difference]: Without dead ends: 151 [2018-11-28 13:25:27,423 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=119, Invalid=1141, Unknown=0, NotChecked=0, Total=1260 [2018-11-28 13:25:27,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-28 13:25:27,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 120. [2018-11-28 13:25:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-28 13:25:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 142 transitions. [2018-11-28 13:25:27,436 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 142 transitions. Word has length 49 [2018-11-28 13:25:27,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:25:27,437 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 142 transitions. [2018-11-28 13:25:27,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-28 13:25:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 142 transitions. [2018-11-28 13:25:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 13:25:27,438 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:25:27,438 INFO L402 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] [2018-11-28 13:25:27,438 INFO L423 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:25:27,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:25:27,438 INFO L82 PathProgramCache]: Analyzing trace with hash -211454188, now seen corresponding path program 1 times [2018-11-28 13:25:27,438 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:25:27,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:25:27,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:25:27,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:25:27,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:25:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:25:28,068 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:25:28,068 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:25:28,068 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:25:28,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:25:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:25:28,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:25:28,156 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:25:28,160 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-11-28 13:25:28,164 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-11-28 13:25:28,165 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,168 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,173 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,173 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:18 [2018-11-28 13:25:28,382 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 39 [2018-11-28 13:25:28,405 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-11-28 13:25:28,406 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,430 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-28 13:25:28,430 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,455 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-11-28 13:25:28,459 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2018-11-28 13:25:28,459 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,462 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,488 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 34 [2018-11-28 13:25:28,493 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 23 treesize of output 26 [2018-11-28 13:25:28,494 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 25 [2018-11-28 13:25:28,512 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-28 13:25:28,519 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:25:28,526 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,530 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,530 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:51, output treesize:28 [2018-11-28 13:25:28,608 INFO L478 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 49 treesize of output 55 [2018-11-28 13:25:28,614 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2018-11-28 13:25:28,615 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,656 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:60, output treesize:56 [2018-11-28 13:25:28,726 INFO L478 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 60 treesize of output 79 [2018-11-28 13:25:28,735 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 63 [2018-11-28 13:25:28,736 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,801 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 56 [2018-11-28 13:25:28,802 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,827 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:25:28,836 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 13:25:28,836 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:68, output treesize:64 [2018-11-28 13:25:59,468 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:25:59,499 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 87 treesize of output 121 [2018-11-28 13:25:59,506 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 101 [2018-11-28 13:25:59,510 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-11-28 13:25:59,514 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-28 13:25:59,514 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:25:59,521 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:25:59,535 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:00,787 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:00,793 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 106 [2018-11-28 13:26:00,796 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 98 [2018-11-28 13:26:00,799 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-28 13:26:00,799 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:00,820 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:00,861 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:00,863 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:00,869 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 114 [2018-11-28 13:26:00,871 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 98 [2018-11-28 13:26:00,872 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:00,913 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 102 [2018-11-28 13:26:00,914 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:00,961 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:26:01,010 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:26:02,409 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:02,419 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 99 [2018-11-28 13:26:02,423 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 81 [2018-11-28 13:26:02,426 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-28 13:26:02,426 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:02,442 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:02,516 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:02,518 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:02,523 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 105 [2018-11-28 13:26:02,527 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 93 [2018-11-28 13:26:02,527 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:02,568 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 77 [2018-11-28 13:26:02,569 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:02,604 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:26:02,685 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:02,686 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:02,687 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:02,697 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 91 treesize of output 119 [2018-11-28 13:26:02,700 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 97 [2018-11-28 13:26:02,701 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:02,786 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 109 [2018-11-28 13:26:02,786 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:02,867 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 93 [2018-11-28 13:26:02,867 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:02,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 77 [2018-11-28 13:26:02,940 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:03,017 INFO L267 ElimStorePlain]: Start of recursive call 18: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-28 13:26:03,117 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:03,119 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:03,129 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 105 [2018-11-28 13:26:03,132 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 93 [2018-11-28 13:26:03,133 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:03,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 77 [2018-11-28 13:26:03,176 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:03,217 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:26:03,308 INFO L267 ElimStorePlain]: Start of recursive call 12: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-28 13:26:05,118 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:05,125 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 106 [2018-11-28 13:26:05,128 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 98 [2018-11-28 13:26:05,130 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-28 13:26:05,131 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:05,145 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:05,183 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:05,185 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:05,191 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 114 [2018-11-28 13:26:05,194 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 98 [2018-11-28 13:26:05,195 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:05,238 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 102 [2018-11-28 13:26:05,238 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:05,277 INFO L267 ElimStorePlain]: Start of recursive call 29: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:26:05,317 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:26:07,399 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,401 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,401 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,402 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 97 [2018-11-28 13:26:07,404 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 81 [2018-11-28 13:26:07,405 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:07,417 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:07,419 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,421 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,421 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,422 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 85 [2018-11-28 13:26:07,425 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 59 [2018-11-28 13:26:07,425 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:07,437 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:07,439 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,441 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,441 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,442 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 91 [2018-11-28 13:26:07,444 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2018-11-28 13:26:07,444 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:07,456 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:07,458 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,460 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,462 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:07,462 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 91 [2018-11-28 13:26:07,464 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2018-11-28 13:26:07,465 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:07,477 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:08,803 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:08,809 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:08,813 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:08,832 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 95 treesize of output 129 [2018-11-28 13:26:08,855 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 111 [2018-11-28 13:26:08,855 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-11-28 13:26:09,079 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:09,079 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 92 [2018-11-28 13:26:09,080 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:09,175 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:09,180 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 95 [2018-11-28 13:26:09,181 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-11-28 13:26:09,276 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:09,286 INFO L478 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 74 treesize of output 94 [2018-11-28 13:26:09,287 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 4 xjuncts. [2018-11-28 13:26:09,383 INFO L267 ElimStorePlain]: Start of recursive call 40: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-28 13:26:10,625 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:10,632 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:10,634 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:10,644 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 92 treesize of output 107 [2018-11-28 13:26:10,649 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 101 [2018-11-28 13:26:10,649 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:10,702 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:10,718 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 74 treesize of output 103 [2018-11-28 13:26:10,732 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 65 [2018-11-28 13:26:10,734 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-28 13:26:10,734 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:10,748 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:10,818 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 91 [2018-11-28 13:26:10,821 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 89 [2018-11-28 13:26:10,822 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:10,865 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 73 [2018-11-28 13:26:10,866 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:10,895 INFO L267 ElimStorePlain]: Start of recursive call 50: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:26:10,978 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 91 [2018-11-28 13:26:10,980 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 77 [2018-11-28 13:26:10,980 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:11,015 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 89 [2018-11-28 13:26:11,016 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:11,059 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:26:11,182 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 86 treesize of output 116 [2018-11-28 13:26:11,187 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 104 [2018-11-28 13:26:11,187 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:11,285 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 116 [2018-11-28 13:26:11,285 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:11,361 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 100 [2018-11-28 13:26:11,361 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:11,428 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 73 [2018-11-28 13:26:11,429 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:11,487 INFO L267 ElimStorePlain]: Start of recursive call 56: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-28 13:26:11,614 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-28 13:26:11,759 INFO L267 ElimStorePlain]: Start of recursive call 45: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-11-28 13:26:13,189 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:13,193 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:13,195 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:13,203 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 82 treesize of output 103 [2018-11-28 13:26:13,207 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 91 [2018-11-28 13:26:13,207 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:13,254 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:13,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 82 [2018-11-28 13:26:13,259 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2018-11-28 13:26:13,298 INFO L267 ElimStorePlain]: Start of recursive call 61: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:26:13,302 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:13,305 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:13,308 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:13,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 90 treesize of output 109 [2018-11-28 13:26:13,326 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 102 [2018-11-28 13:26:13,327 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 2 xjuncts. [2018-11-28 13:26:13,398 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:13,398 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 83 [2018-11-28 13:26:13,398 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:13,431 INFO L267 ElimStorePlain]: Start of recursive call 64: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:26:14,643 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:14,651 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:14,656 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:14,673 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 89 treesize of output 121 [2018-11-28 13:26:14,679 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 102 [2018-11-28 13:26:14,679 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:14,852 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:14,861 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 77 treesize of output 106 [2018-11-28 13:26:14,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 83 [2018-11-28 13:26:14,866 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-28 13:26:14,866 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:14,880 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:14,912 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:14,913 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:14,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 90 treesize of output 110 [2018-11-28 13:26:14,921 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 98 [2018-11-28 13:26:14,922 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:14,960 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 82 [2018-11-28 13:26:14,960 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:14,991 INFO L267 ElimStorePlain]: Start of recursive call 72: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:26:15,030 INFO L267 ElimStorePlain]: Start of recursive call 69: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:26:15,166 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:15,182 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 74 treesize of output 103 [2018-11-28 13:26:15,193 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 99 [2018-11-28 13:26:15,196 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 97 [2018-11-28 13:26:15,196 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:15,236 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 73 [2018-11-28 13:26:15,237 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:15,267 INFO L267 ElimStorePlain]: Start of recursive call 76: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:26:15,355 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:15,356 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:15,361 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 101 [2018-11-28 13:26:15,364 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-11-28 13:26:15,364 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:15,400 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 89 [2018-11-28 13:26:15,400 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:15,432 INFO L267 ElimStorePlain]: Start of recursive call 79: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:26:15,530 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 61 [2018-11-28 13:26:15,532 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-28 13:26:15,533 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:15,544 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:15,646 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 88 treesize of output 116 [2018-11-28 13:26:15,650 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 116 [2018-11-28 13:26:15,651 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:15,731 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 100 [2018-11-28 13:26:15,731 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:15,801 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 73 [2018-11-28 13:26:15,801 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:15,872 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 100 [2018-11-28 13:26:15,872 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:15,937 INFO L267 ElimStorePlain]: Start of recursive call 84: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-28 13:26:16,076 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-28 13:26:16,342 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:16,348 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 89 [2018-11-28 13:26:16,348 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 2 xjuncts. [2018-11-28 13:26:16,608 INFO L267 ElimStorePlain]: Start of recursive call 67: 4 dim-1 vars, End of recursive call: and 15 xjuncts. [2018-11-28 13:26:17,213 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:17,217 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:17,219 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:17,228 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 82 treesize of output 103 [2018-11-28 13:26:17,233 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 91 [2018-11-28 13:26:17,234 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:17,275 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:17,280 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 82 [2018-11-28 13:26:17,280 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 2 xjuncts. [2018-11-28 13:26:17,322 INFO L267 ElimStorePlain]: Start of recursive call 90: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:26:17,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-11-28 13:26:17,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 9 xjuncts. [2018-11-28 13:26:17,713 INFO L202 ElimStorePlain]: Needed 92 recursive calls to eliminate 4 variables, input treesize:132, output treesize:614 [2018-11-28 13:26:18,104 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 115 [2018-11-28 13:26:18,163 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,163 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,164 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,165 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,165 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 83 [2018-11-28 13:26:18,194 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,195 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,195 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,196 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,197 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,197 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 73 [2018-11-28 13:26:18,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:18,210 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:18,224 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-28 13:26:18,225 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:437, output treesize:109 [2018-11-28 13:26:18,283 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,285 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,286 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,289 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:26:18,295 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 100 [2018-11-28 13:26:18,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 40 [2018-11-28 13:26:18,299 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:18,328 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-11-28 13:26:18,329 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:18,347 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-11-28 13:26:18,348 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:18,360 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 17 [2018-11-28 13:26:18,360 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 13:26:18,367 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:18,377 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:26:18,377 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:113, output treesize:4 [2018-11-28 13:26:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:18,455 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:26:18,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 44 [2018-11-28 13:26:18,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-11-28 13:26:18,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-11-28 13:26:18,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1747, Unknown=15, NotChecked=0, Total=1892 [2018-11-28 13:26:18,457 INFO L87 Difference]: Start difference. First operand 120 states and 142 transitions. Second operand 44 states. [2018-11-28 13:26:36,386 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-11-28 13:26:51,403 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 142 [2018-11-28 13:27:09,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:09,924 INFO L93 Difference]: Finished difference Result 205 states and 262 transitions. [2018-11-28 13:27:09,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-28 13:27:09,924 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 51 [2018-11-28 13:27:09,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:09,925 INFO L225 Difference]: With dead ends: 205 [2018-11-28 13:27:09,925 INFO L226 Difference]: Without dead ends: 202 [2018-11-28 13:27:09,927 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 38.9s TimeCoverageRelationStatistics Valid=285, Invalid=3604, Unknown=17, NotChecked=0, Total=3906 [2018-11-28 13:27:09,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-11-28 13:27:09,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 120. [2018-11-28 13:27:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-28 13:27:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2018-11-28 13:27:09,947 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 51 [2018-11-28 13:27:09,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:09,947 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2018-11-28 13:27:09,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-11-28 13:27:09,948 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2018-11-28 13:27:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-28 13:27:09,948 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:09,949 INFO L402 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] [2018-11-28 13:27:09,951 INFO L423 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:09,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:09,951 INFO L82 PathProgramCache]: Analyzing trace with hash -571101056, now seen corresponding path program 1 times [2018-11-28 13:27:09,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:09,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:09,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:09,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:09,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:10,023 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:27:10,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:27:10 BoogieIcfgContainer [2018-11-28 13:27:10,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:27:10,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:27:10,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:27:10,055 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:27:10,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:25:24" (3/4) ... [2018-11-28 13:27:10,058 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 13:27:10,095 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d249d06f-5397-4c50-8ab0-53c4261b99c8/bin-2019/uautomizer/witness.graphml [2018-11-28 13:27:10,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:27:10,096 INFO L168 Benchmark]: Toolchain (without parser) took 106041.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 259.0 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -282.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:27:10,097 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:27:10,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:27:10,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:27:10,097 INFO L168 Benchmark]: Boogie Preprocessor took 30.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:27:10,097 INFO L168 Benchmark]: RCFGBuilder took 438.42 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:27:10,097 INFO L168 Benchmark]: TraceAbstraction took 105141.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -153.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:27:10,097 INFO L168 Benchmark]: Witness Printer took 40.16 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:27:10,098 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 438.42 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 105141.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -153.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 40.16 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 554]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L628] const struct node *p1, *p2; VAL [p1={10:0}, p2={12:0}] [L629] CALL, EXPR create_sll(&p1, &p2) VAL [pp1={10:0}, pp2={12:0}] [L577] struct node *list = ((void *)0); VAL [list={13:0}, pp1={10:0}, pp1={10:0}, pp2={12:0}, pp2={12:0}] [L579] CALL chain_node(&list) VAL [ppnode={13:0}] [L571] CALL, EXPR alloc_node() [L562] struct node *ptr = malloc(sizeof *ptr); VAL [malloc(sizeof *ptr)={14:0}, ptr={14:0}] [L563] COND FALSE !(!ptr) VAL [malloc(sizeof *ptr)={14:0}, ptr={14:0}] [L565] ptr->next = ((void *)0) [L566] ptr->prev = ((void *)0) [L567] return ptr; VAL [\result={14:0}, malloc(sizeof *ptr)={14:0}, ptr={14:0}] [L571] RET, EXPR alloc_node() VAL [alloc_node()={14:0}, ppnode={13:0}, ppnode={13:0}] [L571] struct node *node = alloc_node(); [L572] EXPR \read(**ppnode) [L572] node->next = *ppnode [L573] *ppnode = node VAL [node={14:0}, ppnode={13:0}, ppnode={13:0}] [L579] RET chain_node(&list) VAL [list={13:0}, pp1={10:0}, pp1={10:0}, pp2={12:0}, pp2={12:0}] [L580] COND FALSE !(__VERIFIER_nondet_int()) [L581] EXPR \read(*list) [L581] *pp2 = list [L582] COND FALSE !(__VERIFIER_nondet_int()) [L584] EXPR \read(*list) [L584] *pp1 = list [L586] CALL chain_node(&list) VAL [ppnode={13:0}] [L571] CALL, EXPR alloc_node() [L562] struct node *ptr = malloc(sizeof *ptr); VAL [malloc(sizeof *ptr)={11:0}, ptr={11:0}] [L563] COND FALSE !(!ptr) VAL [malloc(sizeof *ptr)={11:0}, ptr={11:0}] [L565] ptr->next = ((void *)0) [L566] ptr->prev = ((void *)0) [L567] return ptr; VAL [\result={11:0}, malloc(sizeof *ptr)={11:0}, ptr={11:0}] [L571] RET, EXPR alloc_node() VAL [alloc_node()={11:0}, ppnode={13:0}, ppnode={13:0}] [L571] struct node *node = alloc_node(); [L572] EXPR \read(**ppnode) [L572] node->next = *ppnode [L573] *ppnode = node VAL [node={11:0}, ppnode={13:0}, ppnode={13:0}] [L586] RET chain_node(&list) VAL [list={13:0}, pp1={10:0}, pp1={10:0}, pp2={12:0}, pp2={12:0}] [L587] COND FALSE !(__VERIFIER_nondet_int()) [L588] EXPR \read(*list) [L588] return list; [L577] struct node *list = ((void *)0); [L588] return list; VAL [\result={11:0}, pp1={10:0}, pp1={10:0}, pp2={12:0}, pp2={12:0}] [L629] RET, EXPR create_sll(&p1, &p2) VAL [create_sll(&p1, &p2)={11:0}, p1={10:0}, p2={12:0}] [L629] struct node *list = create_sll(&p1, &p2); [L631] EXPR \read(*p1) [L631] EXPR \read(*p2) VAL [\read(*p1)={14:0}, \read(*p2)={14:0}, list={11:0}, p1={10:0}, p2={12:0}] [L631] CALL check_seq_next(p1, p2) VAL [beg={14:0}, end={14:0}] [L615] COND FALSE !(!(beg)) VAL [beg={14:0}, beg={14:0}, end={14:0}, end={14:0}] [L616] COND FALSE !(!(end)) VAL [beg={14:0}, beg={14:0}, end={14:0}, end={14:0}] [L617] EXPR beg->next [L617] beg = beg->next [L617] COND TRUE end != beg VAL [beg={0:0}, beg={14:0}, end={14:0}, end={14:0}] [L618] COND TRUE !(beg) VAL [beg={14:0}, beg={0:0}, end={14:0}, end={14:0}] [L618] CALL fail() [L554] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 117 locations, 1 error locations. UNSAFE Result, 105.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 52.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 328 SDtfs, 369 SDslu, 1787 SDs, 0 SdLazy, 5337 SolverSat, 206 SolverUnsat, 21 SolverUnknown, 0 SolverNotchecked, 44.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 39.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 113 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 51.7s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 171 ConstructedInterpolants, 11 QuantifiedInterpolants, 309521 SizeOfPredicates, 27 NumberOfNonLiveVariables, 255 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 16/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...