./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 257f0fae8650c1e4803d7d611e8fd1306d4688fe .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 257f0fae8650c1e4803d7d611e8fd1306d4688fe ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:48:06,366 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:48:06,368 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:48:06,378 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:48:06,379 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:48:06,380 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:48:06,381 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:48:06,384 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:48:06,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:48:06,390 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:48:06,392 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:48:06,393 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:48:06,393 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:48:06,394 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:48:06,395 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:48:06,395 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:48:06,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:48:06,400 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:48:06,402 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:48:06,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:48:06,403 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:48:06,413 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:48:06,415 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:48:06,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:48:06,415 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:48:06,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:48:06,417 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:48:06,418 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:48:06,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:48:06,419 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:48:06,419 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:48:06,420 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:48:06,420 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:48:06,423 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:48:06,424 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:48:06,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:48:06,425 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 19:48:06,440 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:48:06,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:48:06,441 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:48:06,441 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:48:06,441 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:48:06,441 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:48:06,441 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:48:06,442 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:48:06,442 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:48:06,442 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:48:06,442 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:48:06,443 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:48:06,443 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:48:06,443 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:48:06,443 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:48:06,443 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:48:06,443 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:48:06,443 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:48:06,444 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:48:06,444 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:48:06,444 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:48:06,445 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:48:06,445 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:48:06,445 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:48:06,445 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:48:06,445 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:48:06,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:48:06,446 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:48:06,446 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:48:06,446 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:48:06,446 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:48:06,446 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:48:06,446 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:48:06,446 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:48:06,447 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 257f0fae8650c1e4803d7d611e8fd1306d4688fe [2018-10-26 19:48:06,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:48:06,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:48:06,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:48:06,494 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:48:06,494 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:48:06,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0684b_true-unreach-call.c [2018-10-26 19:48:06,540 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/data/323406d0a/852cca8ba51e451aaac05f9b40b351c4/FLAGa0881d65c [2018-10-26 19:48:06,920 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:48:06,921 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/sv-benchmarks/c/float-newlib/float_req_bl_0684b_true-unreach-call.c [2018-10-26 19:48:06,928 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/data/323406d0a/852cca8ba51e451aaac05f9b40b351c4/FLAGa0881d65c [2018-10-26 19:48:06,940 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/data/323406d0a/852cca8ba51e451aaac05f9b40b351c4 [2018-10-26 19:48:06,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:48:06,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:48:06,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:48:06,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:48:06,948 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:48:06,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:48:06" (1/1) ... [2018-10-26 19:48:06,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1813b46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:06, skipping insertion in model container [2018-10-26 19:48:06,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:48:06" (1/1) ... [2018-10-26 19:48:06,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:48:06,980 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:48:07,165 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:48:07,171 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:48:07,216 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:48:07,237 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:48:07,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07 WrapperNode [2018-10-26 19:48:07,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:48:07,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:48:07,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:48:07,238 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:48:07,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07" (1/1) ... [2018-10-26 19:48:07,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07" (1/1) ... [2018-10-26 19:48:07,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:48:07,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:48:07,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:48:07,310 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:48:07,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07" (1/1) ... [2018-10-26 19:48:07,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07" (1/1) ... [2018-10-26 19:48:07,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07" (1/1) ... [2018-10-26 19:48:07,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07" (1/1) ... [2018-10-26 19:48:07,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07" (1/1) ... [2018-10-26 19:48:07,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07" (1/1) ... [2018-10-26 19:48:07,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07" (1/1) ... [2018-10-26 19:48:07,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:48:07,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:48:07,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:48:07,436 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:48:07,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:48:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-10-26 19:48:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-10-26 19:48:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-10-26 19:48:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-10-26 19:48:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:48:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:48:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:48:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:48:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 19:48:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 19:48:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:48:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:48:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-10-26 19:48:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-10-26 19:48:08,869 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:48:08,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:48:08 BoogieIcfgContainer [2018-10-26 19:48:08,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:48:08,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:48:08,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:48:08,874 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:48:08,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:48:06" (1/3) ... [2018-10-26 19:48:08,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1dffcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:48:08, skipping insertion in model container [2018-10-26 19:48:08,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:07" (2/3) ... [2018-10-26 19:48:08,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1dffcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:48:08, skipping insertion in model container [2018-10-26 19:48:08,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:48:08" (3/3) ... [2018-10-26 19:48:08,878 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b_true-unreach-call.c [2018-10-26 19:48:08,888 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:48:08,895 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:48:08,906 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:48:08,932 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:48:08,932 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:48:08,932 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:48:08,932 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:48:08,933 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:48:08,933 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:48:08,933 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:48:08,933 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:48:08,950 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-10-26 19:48:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 19:48:08,955 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:08,956 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:08,958 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:08,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:08,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1310494682, now seen corresponding path program 1 times [2018-10-26 19:48:08,966 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:48:09,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:48:09,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:48:09,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:48:09,002 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:48:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:48:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:48:09,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:48:09,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:48:09,169 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:48:09,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 19:48:09,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 19:48:09,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:48:09,190 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-10-26 19:48:09,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:48:09,224 INFO L93 Difference]: Finished difference Result 210 states and 329 transitions. [2018-10-26 19:48:09,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 19:48:09,226 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2018-10-26 19:48:09,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:48:09,234 INFO L225 Difference]: With dead ends: 210 [2018-10-26 19:48:09,235 INFO L226 Difference]: Without dead ends: 104 [2018-10-26 19:48:09,238 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:48:09,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-10-26 19:48:09,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-10-26 19:48:09,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-10-26 19:48:09,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 143 transitions. [2018-10-26 19:48:09,280 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 143 transitions. Word has length 26 [2018-10-26 19:48:09,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:48:09,281 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 143 transitions. [2018-10-26 19:48:09,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 19:48:09,281 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2018-10-26 19:48:09,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 19:48:09,282 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:09,282 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:09,282 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:09,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:09,283 INFO L82 PathProgramCache]: Analyzing trace with hash -692369074, now seen corresponding path program 1 times [2018-10-26 19:48:09,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:48:09,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:48:09,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:48:09,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:48:09,284 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:48:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:48:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:48:09,491 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 19:48:09,515 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,516 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,517 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,517 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,519 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,519 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,519 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,519 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,520 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,520 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,520 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,521 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,521 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,521 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,521 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,522 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,522 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,522 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,523 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,523 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,528 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,530 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,531 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,531 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,531 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,532 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,532 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,536 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,536 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,536 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,536 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,537 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,538 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,538 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,538 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,538 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,539 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,539 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,539 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,539 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,539 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,540 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,540 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,540 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,540 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,541 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,541 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,541 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,541 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,542 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,542 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:48:09,542 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:48:09,568 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418273 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 19:48:09,570 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418246 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 19:48:09,571 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418251 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 19:48:09,572 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418250 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 19:48:09,573 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418265 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 19:48:09,574 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418258 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 19:48:09,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:48:09 BoogieIcfgContainer [2018-10-26 19:48:09,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:48:09,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:48:09,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:48:09,609 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:48:09,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:48:08" (3/4) ... [2018-10-26 19:48:09,614 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 19:48:09,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:48:09,619 INFO L168 Benchmark]: Toolchain (without parser) took 2676.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -105.8 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:48:09,621 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:48:09,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.16 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 937.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:48:09,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.15 ms. Allocated memory is still 1.0 GB. Free memory was 937.0 MB in the beginning and 931.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:48:09,622 INFO L168 Benchmark]: Boogie Preprocessor took 125.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 931.6 MB in the beginning and 1.2 GB in the end (delta: -256.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:48:09,623 INFO L168 Benchmark]: RCFGBuilder took 1434.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Peak memory consumption was 79.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:48:09,623 INFO L168 Benchmark]: TraceAbstraction took 738.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:48:09,627 INFO L168 Benchmark]: Witness Printer took 9.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:48:09,630 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.16 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 937.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.15 ms. Allocated memory is still 1.0 GB. Free memory was 937.0 MB in the beginning and 931.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 125.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 931.6 MB in the beginning and 1.2 GB in the end (delta: -256.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1434.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Peak memory consumption was 79.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 738.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * Witness Printer took 9.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418273 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418246 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418251 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418250 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418265 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418258 could not be translated for associated CType ARRAY#_11_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 243]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 242, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] CALL static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L27-L32] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L27-L32] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L27-L32] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L27-L32] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L27-L32] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] CALL static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L34-L39] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L34-L39] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L34-L39] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L34-L39] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L34-L39] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] CALL static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L41-L45] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L47-L49] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=10737418270, \old(one_atan)=10737418259, \old(pi)=10737418268, \old(pi_lo_atan2)=10737418257, \old(pi_o_2)=10737418241, \old(pi_o_4)=10737418263, \old(tiny_atan2)=10737418272, \old(zero_atan2)=10737418248, aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L234] float x = __VERIFIER_nondet_float(); [L235] float y = -1.0f / 0.0f; VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418264, zero_atan2=0] [L237] CALL isfinite_float(x) VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L217] __int32_t ix; VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L219] CALL ieee_float_shape_type gf_u; [L219] RET ieee_float_shape_type gf_u; [L220] CALL gf_u.value = (x) [L220] RET gf_u.value = (x) [L221] CALL, EXPR gf_u.word [L221] RET, EXPR gf_u.word [L221] (ix) = gf_u.word [L221] RET (ix) = gf_u.word [L222] COND FALSE !(0) VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L223] ix &= 0x7fffffff [L224] RET return (((ix) < 0x7f800000L)); VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L237] isfinite_float(x) VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, isfinite_float(x)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418264, zero_atan2=0] [L237] COND TRUE isfinite_float(x) [L239] CALL, EXPR __ieee754_atan2f(y, x) VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L123] CALL ieee_float_shape_type gf_u; [L123] RET ieee_float_shape_type gf_u; [L124] CALL gf_u.value = (x) [L124] RET gf_u.value = (x) [L125] CALL, EXPR gf_u.word [L125] RET, EXPR gf_u.word [L125] (hx) = gf_u.word [L125] RET (hx) = gf_u.word [L126] COND FALSE !(0) VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L127] ix = hx & 0x7fffffff VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L129] CALL ieee_float_shape_type gf_u; [L129] RET ieee_float_shape_type gf_u; [L130] CALL gf_u.value = (y) [L130] RET gf_u.value = (y) [L131] CALL, EXPR gf_u.word [L131] RET, EXPR gf_u.word [L131] (hy) = gf_u.word [L131] RET (hy) = gf_u.word [L132] COND FALSE !(0) VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L133] iy = hy & 0x7fffffff VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] RET return x + y; VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L239] EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=10737418267, aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418264, y=10737418262, zero_atan2=0] [L239] float res = __ieee754_atan2f(y, x); [L242] COND TRUE res != -pi_o_2 VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10737418267, tiny_atan2=1/1000000000000000000000000000000, x=10737418264, y=10737418262, zero_atan2=0] [L243] __VERIFIER_error() VAL [aT_atan={10737418243:0}, atanhi_atan={10737418254:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10737418267, tiny_atan2=1/1000000000000000000000000000000, x=10737418264, y=10737418262, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:48:11,506 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:48:11,507 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:48:11,519 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:48:11,520 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:48:11,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:48:11,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:48:11,527 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:48:11,528 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:48:11,528 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:48:11,529 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:48:11,529 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:48:11,530 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:48:11,530 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:48:11,532 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:48:11,533 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:48:11,533 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:48:11,534 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:48:11,535 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:48:11,536 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:48:11,537 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:48:11,538 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:48:11,540 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:48:11,540 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:48:11,540 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:48:11,541 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:48:11,541 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:48:11,542 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:48:11,543 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:48:11,544 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:48:11,544 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:48:11,544 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:48:11,544 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:48:11,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:48:11,545 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:48:11,546 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:48:11,546 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 19:48:11,558 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:48:11,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:48:11,559 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:48:11,559 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:48:11,559 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:48:11,559 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:48:11,559 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:48:11,560 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:48:11,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:48:11,560 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:48:11,561 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:48:11,561 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:48:11,561 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:48:11,561 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:48:11,561 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:48:11,561 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 19:48:11,562 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 19:48:11,562 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:48:11,562 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:48:11,562 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:48:11,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:48:11,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:48:11,563 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:48:11,563 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:48:11,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:48:11,563 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:48:11,563 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:48:11,564 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:48:11,564 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 19:48:11,564 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:48:11,564 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 19:48:11,564 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 19:48:11,564 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_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 257f0fae8650c1e4803d7d611e8fd1306d4688fe [2018-10-26 19:48:11,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:48:11,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:48:11,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:48:11,617 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:48:11,618 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:48:11,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0684b_true-unreach-call.c [2018-10-26 19:48:11,678 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/data/e18a30d2b/79cb2492b9dc482293fd39f1747eb9b6/FLAG435b46c81 [2018-10-26 19:48:12,091 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:48:12,092 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/sv-benchmarks/c/float-newlib/float_req_bl_0684b_true-unreach-call.c [2018-10-26 19:48:12,105 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/data/e18a30d2b/79cb2492b9dc482293fd39f1747eb9b6/FLAG435b46c81 [2018-10-26 19:48:12,123 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/data/e18a30d2b/79cb2492b9dc482293fd39f1747eb9b6 [2018-10-26 19:48:12,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:48:12,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:48:12,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:48:12,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:48:12,137 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:48:12,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:48:12" (1/1) ... [2018-10-26 19:48:12,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87b33eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12, skipping insertion in model container [2018-10-26 19:48:12,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:48:12" (1/1) ... [2018-10-26 19:48:12,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:48:12,189 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:48:12,437 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:48:12,445 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:48:12,506 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:48:12,538 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:48:12,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12 WrapperNode [2018-10-26 19:48:12,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:48:12,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:48:12,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:48:12,540 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:48:12,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12" (1/1) ... [2018-10-26 19:48:12,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12" (1/1) ... [2018-10-26 19:48:12,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:48:12,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:48:12,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:48:12,627 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:48:12,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12" (1/1) ... [2018-10-26 19:48:12,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12" (1/1) ... [2018-10-26 19:48:12,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12" (1/1) ... [2018-10-26 19:48:12,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12" (1/1) ... [2018-10-26 19:48:12,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12" (1/1) ... [2018-10-26 19:48:12,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12" (1/1) ... [2018-10-26 19:48:12,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12" (1/1) ... [2018-10-26 19:48:12,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:48:12,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:48:12,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:48:12,688 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:48:12,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:48:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-10-26 19:48:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-10-26 19:48:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-10-26 19:48:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-10-26 19:48:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:48:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:48:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:48:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:48:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 19:48:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 19:48:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:48:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:48:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-10-26 19:48:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-10-26 19:48:14,512 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:48:14,613 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:48:14,771 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:48:14,958 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:48:15,843 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:48:15,950 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:48:21,740 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:48:23,472 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:48:23,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:48:23 BoogieIcfgContainer [2018-10-26 19:48:23,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:48:23,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:48:23,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:48:23,479 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:48:23,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:48:12" (1/3) ... [2018-10-26 19:48:23,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e77471f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:48:23, skipping insertion in model container [2018-10-26 19:48:23,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:48:12" (2/3) ... [2018-10-26 19:48:23,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e77471f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:48:23, skipping insertion in model container [2018-10-26 19:48:23,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:48:23" (3/3) ... [2018-10-26 19:48:23,482 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b_true-unreach-call.c [2018-10-26 19:48:23,491 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:48:23,498 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:48:23,510 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:48:23,538 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:48:23,539 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:48:23,539 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:48:23,539 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:48:23,539 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:48:23,539 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:48:23,539 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:48:23,540 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:48:23,540 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:48:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2018-10-26 19:48:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 19:48:23,563 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:23,564 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:23,566 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:23,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:23,572 INFO L82 PathProgramCache]: Analyzing trace with hash 563336594, now seen corresponding path program 1 times [2018-10-26 19:48:23,576 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:48:23,577 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 19:48:23,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:48:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:48:23,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:48:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:48:23,784 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:48:23,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:48:23,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:48:23,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 19:48:23,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 19:48:23,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:48:23,814 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2018-10-26 19:48:23,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:48:23,846 INFO L93 Difference]: Finished difference Result 208 states and 327 transitions. [2018-10-26 19:48:23,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 19:48:23,847 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-10-26 19:48:23,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:48:23,856 INFO L225 Difference]: With dead ends: 208 [2018-10-26 19:48:23,856 INFO L226 Difference]: Without dead ends: 103 [2018-10-26 19:48:23,861 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:48:23,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-26 19:48:23,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-10-26 19:48:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-26 19:48:23,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 142 transitions. [2018-10-26 19:48:23,906 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 142 transitions. Word has length 25 [2018-10-26 19:48:23,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:48:23,907 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 142 transitions. [2018-10-26 19:48:23,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 19:48:23,907 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 142 transitions. [2018-10-26 19:48:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 19:48:23,909 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:23,909 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:23,909 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:23,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:23,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1959439350, now seen corresponding path program 1 times [2018-10-26 19:48:23,911 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:48:23,911 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-26 19:48:23,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:48:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:48:24,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:48:24,594 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-26 19:48:25,002 WARN L179 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-10-26 19:48:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:48:26,196 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:48:26,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:48:26,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-10-26 19:48:26,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-26 19:48:26,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-26 19:48:26,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-10-26 19:48:26,215 INFO L87 Difference]: Start difference. First operand 103 states and 142 transitions. Second operand 14 states. [2018-10-26 19:48:27,486 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-10-26 19:48:29,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:48:29,369 INFO L93 Difference]: Finished difference Result 109 states and 147 transitions. [2018-10-26 19:48:29,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-26 19:48:29,370 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2018-10-26 19:48:29,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:48:29,372 INFO L225 Difference]: With dead ends: 109 [2018-10-26 19:48:29,372 INFO L226 Difference]: Without dead ends: 103 [2018-10-26 19:48:29,374 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2018-10-26 19:48:29,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-26 19:48:29,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-10-26 19:48:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-26 19:48:29,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 141 transitions. [2018-10-26 19:48:29,390 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 141 transitions. Word has length 28 [2018-10-26 19:48:29,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:48:29,391 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 141 transitions. [2018-10-26 19:48:29,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-26 19:48:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 141 transitions. [2018-10-26 19:48:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 19:48:29,392 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:29,392 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:29,392 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:29,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:29,393 INFO L82 PathProgramCache]: Analyzing trace with hash 542855615, now seen corresponding path program 1 times [2018-10-26 19:48:29,393 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:48:29,393 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-26 19:48:29,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:48:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:48:29,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:48:29,844 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 19:48:30,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:48:30,167 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:48:30,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:48:30,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:48:30,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:48:30,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:48:30,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:48:30,180 INFO L87 Difference]: Start difference. First operand 103 states and 141 transitions. Second operand 7 states. [2018-10-26 19:48:35,427 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 19:48:36,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:48:36,857 INFO L93 Difference]: Finished difference Result 110 states and 147 transitions. [2018-10-26 19:48:36,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:48:36,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-10-26 19:48:36,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:48:36,859 INFO L225 Difference]: With dead ends: 110 [2018-10-26 19:48:36,859 INFO L226 Difference]: Without dead ends: 103 [2018-10-26 19:48:36,860 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 19:48:36,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-26 19:48:36,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-10-26 19:48:36,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-26 19:48:36,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 140 transitions. [2018-10-26 19:48:36,878 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 140 transitions. Word has length 33 [2018-10-26 19:48:36,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:48:36,878 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 140 transitions. [2018-10-26 19:48:36,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:48:36,879 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 140 transitions. [2018-10-26 19:48:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 19:48:36,880 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:36,880 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:36,880 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:36,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:36,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1977104319, now seen corresponding path program 1 times [2018-10-26 19:48:36,881 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:48:36,881 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-10-26 19:48:36,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:48:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:48:37,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:48:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:48:37,138 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:48:37,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:48:37,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 19:48:37,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 19:48:37,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 19:48:37,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 19:48:37,148 INFO L87 Difference]: Start difference. First operand 103 states and 140 transitions. Second operand 6 states. [2018-10-26 19:48:38,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:48:38,145 INFO L93 Difference]: Finished difference Result 110 states and 146 transitions. [2018-10-26 19:48:38,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 19:48:38,147 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-10-26 19:48:38,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:48:38,148 INFO L225 Difference]: With dead ends: 110 [2018-10-26 19:48:38,148 INFO L226 Difference]: Without dead ends: 101 [2018-10-26 19:48:38,148 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 19:48:38,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-10-26 19:48:38,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-10-26 19:48:38,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-10-26 19:48:38,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 136 transitions. [2018-10-26 19:48:38,165 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 136 transitions. Word has length 33 [2018-10-26 19:48:38,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:48:38,165 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 136 transitions. [2018-10-26 19:48:38,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 19:48:38,165 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 136 transitions. [2018-10-26 19:48:38,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 19:48:38,166 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:38,166 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:38,167 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:38,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:38,167 INFO L82 PathProgramCache]: Analyzing trace with hash -147334209, now seen corresponding path program 1 times [2018-10-26 19:48:38,167 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:48:38,168 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-10-26 19:48:38,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:48:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:48:38,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:48:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:48:38,435 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:48:38,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:48:38,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:48:38,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:48:38,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:48:38,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:48:38,445 INFO L87 Difference]: Start difference. First operand 101 states and 136 transitions. Second operand 7 states. [2018-10-26 19:48:39,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:48:39,220 INFO L93 Difference]: Finished difference Result 188 states and 260 transitions. [2018-10-26 19:48:39,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:48:39,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-10-26 19:48:39,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:48:39,221 INFO L225 Difference]: With dead ends: 188 [2018-10-26 19:48:39,221 INFO L226 Difference]: Without dead ends: 95 [2018-10-26 19:48:39,222 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:48:39,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-10-26 19:48:39,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-10-26 19:48:39,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-10-26 19:48:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 125 transitions. [2018-10-26 19:48:39,235 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 125 transitions. Word has length 33 [2018-10-26 19:48:39,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:48:39,236 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 125 transitions. [2018-10-26 19:48:39,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:48:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 125 transitions. [2018-10-26 19:48:39,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 19:48:39,237 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:39,237 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:39,238 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:39,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:39,238 INFO L82 PathProgramCache]: Analyzing trace with hash 2055575221, now seen corresponding path program 1 times [2018-10-26 19:48:39,238 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:48:39,238 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-10-26 19:48:39,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:48:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:48:39,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:48:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:48:39,948 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:48:39,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:48:39,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-26 19:48:39,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 19:48:39,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 19:48:39,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:48:39,962 INFO L87 Difference]: Start difference. First operand 95 states and 125 transitions. Second operand 11 states. [2018-10-26 19:48:41,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:48:41,457 INFO L93 Difference]: Finished difference Result 120 states and 158 transitions. [2018-10-26 19:48:41,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 19:48:41,457 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2018-10-26 19:48:41,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:48:41,458 INFO L225 Difference]: With dead ends: 120 [2018-10-26 19:48:41,458 INFO L226 Difference]: Without dead ends: 84 [2018-10-26 19:48:41,459 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2018-10-26 19:48:41,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-10-26 19:48:41,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-10-26 19:48:41,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-10-26 19:48:41,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 104 transitions. [2018-10-26 19:48:41,474 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 104 transitions. Word has length 34 [2018-10-26 19:48:41,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:48:41,474 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 104 transitions. [2018-10-26 19:48:41,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 19:48:41,474 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 104 transitions. [2018-10-26 19:48:41,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 19:48:41,475 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:41,475 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:41,475 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:41,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:41,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1889094387, now seen corresponding path program 1 times [2018-10-26 19:48:41,478 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:48:41,478 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-10-26 19:48:41,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:48:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:48:41,683 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:48:41,912 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 19:48:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:48:42,146 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:48:42,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:48:42,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:48:42,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:48:42,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:48:42,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:48:42,169 INFO L87 Difference]: Start difference. First operand 84 states and 104 transitions. Second operand 7 states. [2018-10-26 19:48:47,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:48:47,629 INFO L93 Difference]: Finished difference Result 90 states and 109 transitions. [2018-10-26 19:48:47,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:48:47,630 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-10-26 19:48:47,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:48:47,631 INFO L225 Difference]: With dead ends: 90 [2018-10-26 19:48:47,631 INFO L226 Difference]: Without dead ends: 82 [2018-10-26 19:48:47,631 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 19:48:47,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-10-26 19:48:47,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-10-26 19:48:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-10-26 19:48:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 101 transitions. [2018-10-26 19:48:47,643 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 101 transitions. Word has length 35 [2018-10-26 19:48:47,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:48:47,643 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 101 transitions. [2018-10-26 19:48:47,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:48:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 101 transitions. [2018-10-26 19:48:47,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 19:48:47,645 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:47,645 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:47,645 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:47,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:47,646 INFO L82 PathProgramCache]: Analyzing trace with hash -2111282298, now seen corresponding path program 1 times [2018-10-26 19:48:47,646 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:48:47,646 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-10-26 19:48:47,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:48:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:48:47,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:48:47,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:48:47,957 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:48:47,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:48:47,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:48:47,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:48:47,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:48:47,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:48:47,974 INFO L87 Difference]: Start difference. First operand 82 states and 101 transitions. Second operand 7 states. [2018-10-26 19:48:48,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:48:48,430 INFO L93 Difference]: Finished difference Result 88 states and 106 transitions. [2018-10-26 19:48:48,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:48:48,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2018-10-26 19:48:48,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:48:48,431 INFO L225 Difference]: With dead ends: 88 [2018-10-26 19:48:48,431 INFO L226 Difference]: Without dead ends: 62 [2018-10-26 19:48:48,432 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:48:48,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-10-26 19:48:48,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-10-26 19:48:48,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-10-26 19:48:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2018-10-26 19:48:48,439 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 36 [2018-10-26 19:48:48,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:48:48,440 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2018-10-26 19:48:48,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:48:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2018-10-26 19:48:48,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 19:48:48,442 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:48,442 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:48,442 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:48,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:48,442 INFO L82 PathProgramCache]: Analyzing trace with hash -664264764, now seen corresponding path program 1 times [2018-10-26 19:48:48,444 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:48:48,444 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 19:48:48,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-10-26 19:48:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:48:48,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:48:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:48:48,769 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:48:48,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:48:48,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 19:48:48,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 19:48:48,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 19:48:48,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 19:48:48,780 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand 9 states. [2018-10-26 19:48:59,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:48:59,396 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2018-10-26 19:48:59,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 19:48:59,439 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39 [2018-10-26 19:48:59,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:48:59,442 INFO L225 Difference]: With dead ends: 75 [2018-10-26 19:48:59,442 INFO L226 Difference]: Without dead ends: 66 [2018-10-26 19:48:59,443 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-10-26 19:48:59,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-10-26 19:48:59,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2018-10-26 19:48:59,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-10-26 19:48:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2018-10-26 19:48:59,451 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 39 [2018-10-26 19:48:59,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:48:59,451 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2018-10-26 19:48:59,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 19:48:59,452 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2018-10-26 19:48:59,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 19:48:59,453 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:48:59,454 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:48:59,454 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:48:59,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:48:59,454 INFO L82 PathProgramCache]: Analyzing trace with hash -538135019, now seen corresponding path program 1 times [2018-10-26 19:48:59,454 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:48:59,454 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e0628c8-58e8-4d02-b472-c0df7fb73dee/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-10-26 19:48:59,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:48:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:48:59,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:49:08,005 WARN L179 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 139 DAG size of output: 115 [2018-10-26 19:49:08,152 INFO L303 Elim1Store]: Index analysis took 140 ms [2018-10-26 19:49:08,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-10-26 19:49:09,710 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:49:09,713 INFO L303 Elim1Store]: Index analysis took 1513 ms [2018-10-26 19:49:09,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 47 [2018-10-26 19:49:10,363 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:49:10,401 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:49:10,403 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 19:49:10,406 INFO L303 Elim1Store]: Index analysis took 596 ms [2018-10-26 19:49:10,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 45 [2018-10-26 19:49:10,555 INFO L303 Elim1Store]: Index analysis took 145 ms [2018-10-26 19:49:10,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-10-26 19:49:10,557 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 19:49:14,873 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:49:29,484 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:49:29,636 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:49:30,792 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:49:30,795 INFO L303 Elim1Store]: Index analysis took 1721 ms [2018-10-26 19:49:30,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 53 [2018-10-26 19:49:30,972 INFO L303 Elim1Store]: Index analysis took 162 ms [2018-10-26 19:49:30,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2018-10-26 19:49:30,974 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 19:49:43,726 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:49:43,972 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:49:45,611 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 19:49:45,614 INFO L303 Elim1Store]: Index analysis took 2230 ms [2018-10-26 19:49:45,635 INFO L477 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 2 case distinctions, treesize of input 28 treesize of output 53 [2018-10-26 19:49:45,636 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-10-26 19:50:04,997 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 19:50:29,412 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-26 19:50:52,204 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-26 19:51:16,114 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:18,031 INFO L303 Elim1Store]: Index analysis took 2776 ms [2018-10-26 19:51:18,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 133 [2018-10-26 19:51:25,387 WARN L179 SmtUtils]: Spent 7.35 s on a formula simplification that was a NOOP. DAG size: 100 [2018-10-26 19:51:25,645 INFO L303 Elim1Store]: Index analysis took 258 ms [2018-10-26 19:51:25,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-10-26 19:51:26,354 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:27,194 INFO L303 Elim1Store]: Index analysis took 1547 ms [2018-10-26 19:51:27,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2018-10-26 19:51:27,922 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:28,836 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:29,314 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:31,319 INFO L303 Elim1Store]: Index analysis took 4122 ms [2018-10-26 19:51:31,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 50 [2018-10-26 19:51:31,883 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:32,207 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:32,479 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:32,818 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:33,153 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:33,517 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:36,692 INFO L303 Elim1Store]: Index analysis took 5369 ms [2018-10-26 19:51:36,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 77 [2018-10-26 19:51:36,694 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 19:51:42,205 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:51:45,260 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:51:47,842 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:51:51,876 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:51,962 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:52,061 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:54,520 INFO L303 Elim1Store]: Index analysis took 2745 ms [2018-10-26 19:51:54,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 129 [2018-10-26 19:51:54,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-10-26 19:51:54,756 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:54,959 INFO L303 Elim1Store]: Index analysis took 365 ms [2018-10-26 19:51:54,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2018-10-26 19:51:55,185 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:55,285 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:55,390 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:55,890 INFO L303 Elim1Store]: Index analysis took 927 ms [2018-10-26 19:51:55,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 50 [2018-10-26 19:51:56,061 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:56,128 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:56,202 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:56,285 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:56,384 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:56,474 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:51:57,486 INFO L303 Elim1Store]: Index analysis took 1592 ms [2018-10-26 19:51:57,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 77 [2018-10-26 19:51:57,487 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-10-26 19:51:58,634 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:51:59,564 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:52:00,402 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:52:02,325 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:02,416 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:02,508 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,000 INFO L303 Elim1Store]: Index analysis took 1857 ms [2018-10-26 19:52:04,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 137 [2018-10-26 19:52:04,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 59 [2018-10-26 19:52:04,215 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,385 INFO L303 Elim1Store]: Index analysis took 327 ms [2018-10-26 19:52:04,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 67 [2018-10-26 19:52:04,418 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,428 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,438 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,505 INFO L303 Elim1Store]: Index analysis took 117 ms [2018-10-26 19:52:04,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 83 [2018-10-26 19:52:04,539 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,549 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,558 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,568 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,576 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,586 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,692 INFO L303 Elim1Store]: Index analysis took 183 ms [2018-10-26 19:52:04,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 107 [2018-10-26 19:52:04,754 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,764 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,773 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,782 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,791 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,800 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,811 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,820 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,829 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:04,838 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,020 INFO L303 Elim1Store]: Index analysis took 323 ms [2018-10-26 19:52:05,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 139 [2018-10-26 19:52:05,105 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,118 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,128 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,137 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,146 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,155 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,167 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,176 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,185 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,194 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,204 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,213 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,222 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,231 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,240 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,559 INFO L303 Elim1Store]: Index analysis took 531 ms [2018-10-26 19:52:05,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 179 [2018-10-26 19:52:05,631 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,640 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,649 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,659 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,668 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,677 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,686 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,696 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,705 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,715 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,724 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,734 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,743 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,752 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,762 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,771 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,781 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,792 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,801 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,844 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:05,868 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,232 INFO L303 Elim1Store]: Index analysis took 664 ms [2018-10-26 19:52:06,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 227 [2018-10-26 19:52:06,332 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,360 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,395 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,428 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,455 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,478 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,502 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,518 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,528 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,538 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,547 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,556 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,565 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,575 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,583 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,593 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,602 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,610 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,619 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,628 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,637 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,646 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,654 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,663 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,671 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,680 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,689 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:06,700 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,181 INFO L303 Elim1Store]: Index analysis took 931 ms [2018-10-26 19:52:07,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 283 [2018-10-26 19:52:07,253 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,276 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,284 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,293 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,302 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,313 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,322 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,331 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,343 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,352 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,364 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,373 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,392 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,401 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,411 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,420 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,429 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,438 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,447 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,457 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,466 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,475 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,486 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,495 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,505 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,514 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,523 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,532 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,541 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,551 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,560 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,569 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,578 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,588 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:07,597 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,232 INFO L303 Elim1Store]: Index analysis took 1038 ms [2018-10-26 19:52:08,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 347 [2018-10-26 19:52:08,407 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,443 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,466 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,496 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,566 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,577 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,613 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,625 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,637 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,675 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,707 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,738 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,757 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,793 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,811 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,850 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,861 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,886 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,898 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,922 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,946 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:08,977 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,015 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,040 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,064 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,083 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,121 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,157 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,175 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,200 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,231 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,256 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,286 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,297 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,314 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,350 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,386 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,423 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,446 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,485 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,502 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,531 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:09,548 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,206 INFO L303 Elim1Store]: Index analysis took 4959 ms [2018-10-26 19:52:13,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 419 [2018-10-26 19:52:13,262 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,270 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,278 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,287 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,297 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,306 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,315 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,323 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,332 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,359 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,368 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,377 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,385 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,394 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,403 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,412 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,421 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,448 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,457 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,467 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,476 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,485 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,494 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,504 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,531 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,540 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,549 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,558 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,568 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,576 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,599 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,607 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,615 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,625 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,633 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,654 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,662 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,669 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,677 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,701 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,708 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,715 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,735 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,743 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:13,764 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:52:14,544 INFO L303 Elim1Store]: Index analysis took 1320 ms [2018-10-26 19:52:15,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 0 new quantified variables, introduced 20 case distinctions, treesize of input 77 treesize of output 496 [2018-10-26 19:52:15,341 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2018-10-26 19:52:16,196 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1024 xjuncts. [2018-10-26 19:52:53,046 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:52:55,629 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:52:58,277 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:53:00,788 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:53:03,220 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:53:05,422 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:53:07,863 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:53:10,030 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:53:12,280 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:53:14,517 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:53:16,891 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:53:20,622 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:53:24,152 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 11 xjuncts. [2018-10-26 19:53:28,286 INFO L267 ElimStorePlain]: Start of recursive call 1: 22 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 5 xjuncts. [2018-10-26 19:53:28,286 INFO L202 ElimStorePlain]: Needed 30 recursive calls to eliminate 24 variables, input treesize:271, output treesize:507 [2018-10-26 19:53:28,602 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2018-10-26 19:53:28,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2018-10-26 19:53:28,694 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 19:53:28,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 55 [2018-10-26 19:53:28,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2018-10-26 19:53:28,873 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 19:53:28,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2018-10-26 19:53:28,891 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 19:53:28,893 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:53:28,909 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:53:28,909 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:107, output treesize:18 [2018-10-26 19:53:29,066 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:29,069 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:29,074 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:29,077 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:29,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 55 [2018-10-26 19:53:29,079 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 19:53:29,235 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:29,239 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:29,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 86 [2018-10-26 19:53:29,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-10-26 19:53:29,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 14 treesize of output 19 [2018-10-26 19:53:29,330 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-10-26 19:53:29,367 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 19:53:29,434 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 19:53:29,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-10-26 19:53:29,583 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:126, output treesize:213 [2018-10-26 19:53:29,751 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2018-10-26 19:53:29,764 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:29,766 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:29,768 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:29,770 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:29,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2018-10-26 19:53:29,772 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 19:53:29,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 55 [2018-10-26 19:53:29,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2018-10-26 19:53:29,864 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 19:53:29,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2018-10-26 19:53:29,888 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 19:53:29,891 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:53:29,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:53:29,920 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:112, output treesize:18 [2018-10-26 19:53:30,999 WARN L179 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-10-26 19:53:32,569 WARN L179 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-26 19:53:34,761 WARN L179 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-26 19:53:47,065 WARN L179 SmtUtils]: Spent 12.29 s on a formula simplification. DAG size of input: 133 DAG size of output: 104 [2018-10-26 19:53:47,341 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:47,356 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:47,372 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:47,388 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:47,431 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:47,515 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:47,530 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:47,545 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:47,590 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:47,635 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:47,640 INFO L303 Elim1Store]: Index analysis took 573 ms [2018-10-26 19:53:47,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 99 [2018-10-26 19:53:47,923 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:48,025 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:48,040 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:48,056 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:48,073 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:48,200 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:48,255 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:48,270 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 19:53:48,271 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 19:53:48,276 INFO L303 Elim1Store]: Index analysis took 542 ms [2018-10-26 19:53:48,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 61 [2018-10-26 19:53:48,278 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 19:53:49,102 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 19:53:50,922 INFO L303 Elim1Store]: Index analysis took 261 ms [2018-10-26 19:53:50,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 484 treesize of output 351 [2018-10-26 19:53:56,771 WARN L179 SmtUtils]: Spent 5.85 s on a formula simplification that was a NOOP. DAG size: 99 [2018-10-26 19:53:56,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 193 [2018-10-26 19:53:56,991 INFO L303 Elim1Store]: Index analysis took 140 ms [2018-10-26 19:53:57,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 189 treesize of output 188 [2018-10-26 19:53:57,232 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-10-26 19:53:57,321 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 19:53:57,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 250 treesize of output 216 [2018-10-26 19:53:57,519 INFO L303 Elim1Store]: Index analysis took 108 ms [2018-10-26 19:53:57,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 213 treesize of output 206 [2018-10-26 19:53:57,852 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-10-26 19:53:57,941 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 19:53:58,783 INFO L303 Elim1Store]: Index analysis took 224 ms [2018-10-26 19:53:59,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 264 treesize of output 237 [2018-10-26 19:54:19,246 WARN L179 SmtUtils]: Spent 20.01 s on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2018-10-26 19:54:19,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 159 treesize of output 178 [2018-10-26 19:54:19,415 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 8 xjuncts. [2018-10-26 19:54:19,416 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-26 19:54:19,417 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 19:54:19,420 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-26 19:54:19,420 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-10-26 19:54:26,373 INFO L303 Elim1Store]: Index analysis took 134 ms [2018-10-26 19:54:26,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 138 [2018-10-26 19:54:26,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 105 [2018-10-26 19:54:26,418 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:27,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 61 [2018-10-26 19:54:27,300 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:28,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 84 [2018-10-26 19:54:28,456 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:29,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 60 [2018-10-26 19:54:29,241 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:30,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 58 [2018-10-26 19:54:30,204 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2018-10-26 19:54:33,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 70 [2018-10-26 19:54:33,302 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 8 xjuncts. [2018-10-26 19:54:41,312 INFO L267 ElimStorePlain]: Start of recursive call 13: 6 dim-1 vars, End of recursive call: 14 dim-0 vars, and 7 xjuncts. [2018-10-26 19:54:54,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 126 [2018-10-26 19:54:54,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 45 [2018-10-26 19:54:54,415 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:54,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-10-26 19:54:54,698 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-10-26 19:54:54,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 33 [2018-10-26 19:54:54,958 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:55,239 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:55,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 126 [2018-10-26 19:54:55,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-10-26 19:54:55,297 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-10-26 19:54:55,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 45 [2018-10-26 19:54:55,527 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:55,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 33 [2018-10-26 19:54:55,687 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:56,025 INFO L267 ElimStorePlain]: Start of recursive call 24: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:56,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 124 [2018-10-26 19:54:56,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 25 [2018-10-26 19:54:56,125 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 8 xjuncts. [2018-10-26 19:54:56,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 45 [2018-10-26 19:54:56,537 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:57,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 33 [2018-10-26 19:54:57,184 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:57,729 INFO L267 ElimStorePlain]: Start of recursive call 28: 3 dim-1 vars, End of recursive call: 10 dim-0 vars, and 5 xjuncts. [2018-10-26 19:54:57,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 123 [2018-10-26 19:54:57,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 45 [2018-10-26 19:54:57,774 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:58,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-26 19:54:58,021 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-10-26 19:54:58,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 33 [2018-10-26 19:54:58,253 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:54:58,494 INFO L267 ElimStorePlain]: Start of recursive call 32: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 19:55:41,929 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 30 dim-0 vars, and 15 xjuncts. [2018-10-26 19:55:42,287 INFO L303 Elim1Store]: Index analysis took 356 ms [2018-10-26 19:55:42,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 242 treesize of output 242 [2018-10-26 19:56:41,046 WARN L179 SmtUtils]: Spent 58.39 s on a formula simplification. DAG size of input: 477 DAG size of output: 220 [2018-10-26 19:56:41,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 152 treesize of output 157 [2018-10-26 19:56:41,303 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2018-10-26 19:56:56,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 141 treesize of output 146 [2018-10-26 19:56:56,857 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 2 xjuncts. [2018-10-26 19:57:11,512 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 139 [2018-10-26 19:57:11,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 105 [2018-10-26 19:57:11,525 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:57:12,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 80 [2018-10-26 19:57:12,394 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-10-26 19:57:13,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 108 [2018-10-26 19:57:13,546 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2018-10-26 19:57:16,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 56 [2018-10-26 19:57:16,272 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:57:19,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 79 [2018-10-26 19:57:19,318 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:57:19,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 80 [2018-10-26 19:57:19,332 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:57:22,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2018-10-26 19:57:23,000 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:57:23,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 56 [2018-10-26 19:57:23,027 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:57:25,758 INFO L267 ElimStorePlain]: Start of recursive call 39: 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-10-26 19:57:51,009 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 139 [2018-10-26 19:57:51,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 124 [2018-10-26 19:57:51,024 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-10-26 19:57:52,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 108 [2018-10-26 19:57:52,026 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-10-26 19:57:56,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 79 [2018-10-26 19:57:56,315 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:57:56,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 80 [2018-10-26 19:57:56,329 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:57:58,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2018-10-26 19:57:58,924 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:57:58,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 56 [2018-10-26 19:57:58,955 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:58:01,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 80 [2018-10-26 19:58:01,419 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:58:03,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 56 [2018-10-26 19:58:03,876 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:58:06,868 INFO L267 ElimStorePlain]: Start of recursive call 48: 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-10-26 19:58:53,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 123 [2018-10-26 19:58:54,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 45 [2018-10-26 19:58:54,008 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:58:54,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 33 [2018-10-26 19:58:54,264 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:58:54,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-26 19:58:54,635 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-10-26 19:58:54,961 INFO L267 ElimStorePlain]: Start of recursive call 57: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 19:58:54,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 125 [2018-10-26 19:58:55,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 45 [2018-10-26 19:58:55,000 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:58:55,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8 [2018-10-26 19:58:55,404 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2018-10-26 19:58:55,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 33 [2018-10-26 19:58:55,679 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 19:58:55,959 INFO L267 ElimStorePlain]: Start of recursive call 61: 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-10-26 19:59:36,592 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2018-10-26 19:59:36,593 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:258) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 49 more [2018-10-26 19:59:36,596 INFO L168 Benchmark]: Toolchain (without parser) took 684467.13 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 277.3 MB). Free memory was 950.6 MB in the beginning and 963.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 405.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:59:36,604 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:59:36,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.89 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 929.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:59:36,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.28 ms. Allocated memory is still 1.0 GB. Free memory was 929.1 MB in the beginning and 923.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:59:36,605 INFO L168 Benchmark]: Boogie Preprocessor took 60.23 ms. Allocated memory is still 1.0 GB. Free memory is still 923.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:59:36,605 INFO L168 Benchmark]: RCFGBuilder took 10785.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 923.7 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-10-26 19:59:36,605 INFO L168 Benchmark]: TraceAbstraction took 673121.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 1.1 GB in the beginning and 963.3 MB in the end (delta: 112.6 MB). Peak memory consumption was 347.6 MB. Max. memory is 11.5 GB. [2018-10-26 19:59:36,607 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 408.89 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 929.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.28 ms. Allocated memory is still 1.0 GB. Free memory was 929.1 MB in the beginning and 923.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.23 ms. Allocated memory is still 1.0 GB. Free memory is still 923.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 10785.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 923.7 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 673121.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 1.1 GB in the beginning and 963.3 MB in the end (delta: 112.6 MB). Peak memory consumption was 347.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...