./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/interpolation2_true-unreach-call_true-termination.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_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/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 3b34dfede3b17d4dbfd431f9690ffc98f8a52b8d ............................................................................................................................................................................................................................................................................................................................................................................................................... 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_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/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 3b34dfede3b17d4dbfd431f9690ffc98f8a52b8d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:31:47,374 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:31:47,375 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:31:47,381 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:31:47,381 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:31:47,382 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:31:47,383 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:31:47,384 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:31:47,385 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:31:47,386 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:31:47,386 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:31:47,387 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:31:47,387 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:31:47,388 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:31:47,389 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:31:47,389 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:31:47,390 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:31:47,391 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:31:47,392 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:31:47,393 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:31:47,394 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:31:47,395 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:31:47,397 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:31:47,397 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:31:47,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:31:47,398 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:31:47,398 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:31:47,399 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:31:47,399 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:31:47,400 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:31:47,400 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:31:47,401 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:31:47,401 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:31:47,401 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:31:47,402 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:31:47,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:31:47,402 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 10:31:47,412 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:31:47,412 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:31:47,413 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:31:47,413 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:31:47,413 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:31:47,413 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:31:47,414 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 10:31:47,414 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:31:47,414 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 10:31:47,414 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 10:31:47,414 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:31:47,415 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:31:47,415 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:31:47,415 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:31:47,415 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:31:47,415 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:31:47,416 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:31:47,416 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:31:47,416 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:31:47,416 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:31:47,416 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:31:47,416 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:31:47,416 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:31:47,417 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:31:47,417 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:31:47,417 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:31:47,417 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:31:47,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:31:47,417 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:31:47,417 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:31:47,418 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 10:31:47,418 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:31:47,418 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:31:47,418 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 10:31:47,418 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_bb66de08-c51b-4e14-9003-3121bbdd5ee0/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 -> 3b34dfede3b17d4dbfd431f9690ffc98f8a52b8d [2018-11-10 10:31:47,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:31:47,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:31:47,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:31:47,453 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:31:47,454 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:31:47,454 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/interpolation2_true-unreach-call_true-termination.c [2018-11-10 10:31:47,489 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/data/92697ca48/61a30ecd4c1b43b9bb24b4b85293af23/FLAGaf22554bd [2018-11-10 10:31:47,883 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:31:47,883 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/sv-benchmarks/c/float-benchs/interpolation2_true-unreach-call_true-termination.c [2018-11-10 10:31:47,887 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/data/92697ca48/61a30ecd4c1b43b9bb24b4b85293af23/FLAGaf22554bd [2018-11-10 10:31:47,895 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/data/92697ca48/61a30ecd4c1b43b9bb24b4b85293af23 [2018-11-10 10:31:47,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:31:47,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:31:47,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:31:47,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:31:47,901 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:31:47,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:31:47" (1/1) ... [2018-11-10 10:31:47,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786fa43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:47, skipping insertion in model container [2018-11-10 10:31:47,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:31:47" (1/1) ... [2018-11-10 10:31:47,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:31:47,922 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:31:48,027 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:31:48,029 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:31:48,047 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:31:48,060 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:31:48,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48 WrapperNode [2018-11-10 10:31:48,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:31:48,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:31:48,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:31:48,061 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:31:48,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48" (1/1) ... [2018-11-10 10:31:48,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48" (1/1) ... [2018-11-10 10:31:48,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:31:48,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:31:48,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:31:48,096 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:31:48,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48" (1/1) ... [2018-11-10 10:31:48,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48" (1/1) ... [2018-11-10 10:31:48,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48" (1/1) ... [2018-11-10 10:31:48,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48" (1/1) ... [2018-11-10 10:31:48,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48" (1/1) ... [2018-11-10 10:31:48,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48" (1/1) ... [2018-11-10 10:31:48,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48" (1/1) ... [2018-11-10 10:31:48,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:31:48,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:31:48,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:31:48,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:31:48,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:31:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:31:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:31:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:31:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:31:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:31:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:31:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 10:31:48,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 10:31:48,486 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:31:48,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:31:48 BoogieIcfgContainer [2018-11-10 10:31:48,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:31:48,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:31:48,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:31:48,489 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:31:48,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:31:47" (1/3) ... [2018-11-10 10:31:48,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe3e463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:31:48, skipping insertion in model container [2018-11-10 10:31:48,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:48" (2/3) ... [2018-11-10 10:31:48,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe3e463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:31:48, skipping insertion in model container [2018-11-10 10:31:48,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:31:48" (3/3) ... [2018-11-10 10:31:48,492 INFO L112 eAbstractionObserver]: Analyzing ICFG interpolation2_true-unreach-call_true-termination.c [2018-11-10 10:31:48,500 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:31:48,506 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:31:48,516 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:31:48,537 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:31:48,537 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:31:48,537 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:31:48,537 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:31:48,537 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:31:48,537 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:31:48,537 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:31:48,538 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:31:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-10 10:31:48,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 10:31:48,553 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:31:48,553 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:31:48,555 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:31:48,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:31:48,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1517004206, now seen corresponding path program 1 times [2018-11-10 10:31:48,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:31:48,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:31:48,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:31:48,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:31:48,592 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:31:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:48,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:48,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:31:48,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 10:31:48,681 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:31:48,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 10:31:48,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 10:31:48,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:31:48,693 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2018-11-10 10:31:48,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:31:48,707 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2018-11-10 10:31:48,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 10:31:48,708 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-10 10:31:48,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:31:48,714 INFO L225 Difference]: With dead ends: 38 [2018-11-10 10:31:48,714 INFO L226 Difference]: Without dead ends: 18 [2018-11-10 10:31:48,716 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:31:48,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-10 10:31:48,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-10 10:31:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-10 10:31:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2018-11-10 10:31:48,738 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 14 [2018-11-10 10:31:48,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:31:48,738 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2018-11-10 10:31:48,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 10:31:48,738 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-10 10:31:48,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 10:31:48,739 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:31:48,739 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:31:48,739 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:31:48,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:31:48,740 INFO L82 PathProgramCache]: Analyzing trace with hash -146941417, now seen corresponding path program 1 times [2018-11-10 10:31:48,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:31:48,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:31:48,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:31:48,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:31:48,741 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:31:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:48,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:48,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:31:48,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:31:48,802 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:31:48,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:31:48,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:31:48,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:31:48,804 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 3 states. [2018-11-10 10:31:48,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:31:48,828 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2018-11-10 10:31:48,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:31:48,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-10 10:31:48,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:31:48,831 INFO L225 Difference]: With dead ends: 30 [2018-11-10 10:31:48,831 INFO L226 Difference]: Without dead ends: 24 [2018-11-10 10:31:48,831 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:31:48,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-10 10:31:48,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2018-11-10 10:31:48,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-10 10:31:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-11-10 10:31:48,835 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 15 [2018-11-10 10:31:48,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:31:48,836 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-11-10 10:31:48,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:31:48,836 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-10 10:31:48,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:31:48,836 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:31:48,836 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:31:48,837 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:31:48,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:31:48,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1268654585, now seen corresponding path program 1 times [2018-11-10 10:31:48,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:31:48,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:31:48,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:31:48,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:31:48,838 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:31:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:31:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:31:48,903 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 10:31:48,912 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,913 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,914 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,914 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,914 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,914 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,915 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,915 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,915 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,916 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,916 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,916 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,917 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,917 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:31:48,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:31:48 BoogieIcfgContainer [2018-11-10 10:31:48,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:31:48,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:31:48,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:31:48,932 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:31:48,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:31:48" (3/4) ... [2018-11-10 10:31:48,936 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 10:31:48,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:31:48,937 INFO L168 Benchmark]: Toolchain (without parser) took 1039.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -97.6 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:31:48,938 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:31:48,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.47 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:31:48,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.83 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:31:48,940 INFO L168 Benchmark]: Boogie Preprocessor took 58.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:31:48,940 INFO L168 Benchmark]: RCFGBuilder took 331.47 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:31:48,941 INFO L168 Benchmark]: TraceAbstraction took 444.83 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:31:48,941 INFO L168 Benchmark]: Witness Printer took 4.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:31:48,944 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.47 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.83 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 331.47 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 444.83 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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.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.alloc_#res : $Pointer$ 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.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 19, overapproximation of to_real at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L8] int i; [L9] float z, t; [L10] CALL float min[] = { 5, 10, 12, 30, 150 }; [L10] RET float min[] = { 5, 10, 12, 30, 150 }; [L10] RET float min[] = { 5, 10, 12, 30, 150 }; [L10] RET float min[] = { 5, 10, 12, 30, 150 }; [L10] RET float min[] = { 5, 10, 12, 30, 150 }; [L10] RET float min[] = { 5, 10, 12, 30, 150 }; [L10] RET float min[] = { 5, 10, 12, 30, 150 }; [L11] CALL float max[] = { 10, 12, 30, 150, 300 }; [L11] RET float max[] = { 10, 12, 30, 150, 300 }; [L11] RET float max[] = { 10, 12, 30, 150, 300 }; [L11] RET float max[] = { 10, 12, 30, 150, 300 }; [L11] RET float max[] = { 10, 12, 30, 150, 300 }; [L11] RET float max[] = { 10, 12, 30, 150, 300 }; [L11] RET float max[] = { 10, 12, 30, 150, 300 }; [L12] CALL float org[] = { 1, 5, -10, 30, 20 }; [L12] RET float org[] = { 1, 5, -10, 30, 20 }; [L12] RET float org[] = { 1, 5, -10, 30, 20 }; [L12] RET float org[] = { 1, 5, -10, 30, 20 }; [L12] RET float org[] = { 1, 5, -10, 30, 20 }; [L12] RET float org[] = { 1, 5, -10, 30, 20 }; [L12] RET float org[] = { 1, 5, -10, 30, 20 }; [L13] CALL float slope[] = { 4, -15, 40, -10, 0 }; [L13] RET float slope[] = { 4, -15, 40, -10, 0 }; [L13] RET float slope[] = { 4, -15, 40, -10, 0 }; [L13] RET float slope[] = { 4, -15, 40, -10, 0 }; [L13] RET float slope[] = { 4, -15, 40, -10, 0 }; [L13] RET float slope[] = { 4, -15, 40, -10, 0 }; [L13] RET float slope[] = { 4, -15, 40, -10, 0 }; [L15] t = __VERIFIER_nondet_float() [L16] CALL, EXPR min[0] [L16] RET, EXPR min[0] [L16] t >= min[0] && t <= max[sizeof(max) / sizeof(max[0]) - 1] [L16] CALL, EXPR max[sizeof(max) / sizeof(max[0]) - 1] [L16] RET, EXPR max[sizeof(max) / sizeof(max[0]) - 1] [L16] t >= min[0] && t <= max[sizeof(max) / sizeof(max[0]) - 1] [L18] i = 0 [L18] COND TRUE i < sizeof(min) / sizeof(min[0]) [L19] CALL, EXPR max[i] [L19] RET, EXPR max[i] [L19] COND TRUE t <= max[i] [L21] CALL, EXPR org[i] [L21] RET, EXPR org[i] [L21] CALL, EXPR slope[i] [L21] RET, EXPR slope[i] [L21] CALL, EXPR min[i] [L21] RET, EXPR min[i] [L21] CALL, EXPR max[i] [L21] RET, EXPR max[i] [L21] CALL, EXPR min[i] [L21] RET, EXPR min[i] [L21] z = org[i] + slope[i] * (t - min[i]) / (max[i] - min[i]) [L23] CALL __VERIFIER_assert(z >= -10.f && z <= 30.f) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 4 SDslu, 14 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 421 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2018-11-10 10:31:50,394 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:31:50,395 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:31:50,404 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:31:50,404 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:31:50,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:31:50,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:31:50,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:31:50,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:31:50,408 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:31:50,409 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:31:50,409 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:31:50,410 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:31:50,410 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:31:50,411 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:31:50,412 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:31:50,413 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:31:50,414 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:31:50,415 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:31:50,416 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:31:50,417 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:31:50,418 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:31:50,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:31:50,419 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:31:50,420 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:31:50,421 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:31:50,422 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:31:50,422 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:31:50,423 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:31:50,423 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:31:50,424 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:31:50,424 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:31:50,425 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:31:50,425 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:31:50,425 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:31:50,426 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:31:50,426 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 10:31:50,436 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:31:50,436 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:31:50,437 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:31:50,437 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:31:50,437 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:31:50,437 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:31:50,438 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:31:50,438 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:31:50,438 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:31:50,438 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:31:50,439 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:31:50,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:31:50,439 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:31:50,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:31:50,439 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:31:50,439 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 10:31:50,439 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 10:31:50,439 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:31:50,440 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:31:50,440 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:31:50,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:31:50,440 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:31:50,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:31:50,440 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:31:50,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:31:50,441 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:31:50,441 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:31:50,441 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:31:50,441 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 10:31:50,441 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:31:50,441 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 10:31:50,441 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 10:31:50,441 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_bb66de08-c51b-4e14-9003-3121bbdd5ee0/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 -> 3b34dfede3b17d4dbfd431f9690ffc98f8a52b8d [2018-11-10 10:31:50,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:31:50,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:31:50,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:31:50,484 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:31:50,484 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:31:50,484 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/interpolation2_true-unreach-call_true-termination.c [2018-11-10 10:31:50,519 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/data/51ef04007/6e584aae7ab74b9a8d4bfdd429b7759c/FLAGbcf5a44b8 [2018-11-10 10:31:50,916 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:31:50,917 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/sv-benchmarks/c/float-benchs/interpolation2_true-unreach-call_true-termination.c [2018-11-10 10:31:50,920 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/data/51ef04007/6e584aae7ab74b9a8d4bfdd429b7759c/FLAGbcf5a44b8 [2018-11-10 10:31:50,928 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/data/51ef04007/6e584aae7ab74b9a8d4bfdd429b7759c [2018-11-10 10:31:50,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:31:50,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:31:50,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:31:50,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:31:50,935 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:31:50,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:31:50" (1/1) ... [2018-11-10 10:31:50,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa6ff55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:50, skipping insertion in model container [2018-11-10 10:31:50,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:31:50" (1/1) ... [2018-11-10 10:31:50,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:31:50,962 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:31:51,085 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:31:51,088 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:31:51,113 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:31:51,128 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:31:51,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51 WrapperNode [2018-11-10 10:31:51,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:31:51,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:31:51,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:31:51,129 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:31:51,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51" (1/1) ... [2018-11-10 10:31:51,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51" (1/1) ... [2018-11-10 10:31:51,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:31:51,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:31:51,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:31:51,161 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:31:51,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51" (1/1) ... [2018-11-10 10:31:51,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51" (1/1) ... [2018-11-10 10:31:51,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51" (1/1) ... [2018-11-10 10:31:51,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51" (1/1) ... [2018-11-10 10:31:51,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51" (1/1) ... [2018-11-10 10:31:51,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51" (1/1) ... [2018-11-10 10:31:51,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51" (1/1) ... [2018-11-10 10:31:51,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:31:51,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:31:51,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:31:51,195 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:31:51,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:31:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:31:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:31:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:31:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:31:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:31:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:31:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 10:31:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 10:31:53,765 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:31:53,824 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:31:53,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:31:53 BoogieIcfgContainer [2018-11-10 10:31:53,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:31:53,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:31:53,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:31:53,827 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:31:53,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:31:50" (1/3) ... [2018-11-10 10:31:53,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@936d867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:31:53, skipping insertion in model container [2018-11-10 10:31:53,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:31:51" (2/3) ... [2018-11-10 10:31:53,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@936d867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:31:53, skipping insertion in model container [2018-11-10 10:31:53,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:31:53" (3/3) ... [2018-11-10 10:31:53,829 INFO L112 eAbstractionObserver]: Analyzing ICFG interpolation2_true-unreach-call_true-termination.c [2018-11-10 10:31:53,837 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:31:53,843 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:31:53,851 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:31:53,868 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:31:53,868 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:31:53,868 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:31:53,868 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:31:53,869 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:31:53,869 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:31:53,869 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:31:53,869 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:31:53,869 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:31:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-10 10:31:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 10:31:53,882 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:31:53,883 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:31:53,884 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:31:53,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:31:53,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1517004206, now seen corresponding path program 1 times [2018-11-10 10:31:53,890 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:31:53,891 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/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 [2018-11-10 10:31:53,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:31:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:54,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:31:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:54,312 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:31:54,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:31:54,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 10:31:54,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 10:31:54,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 10:31:54,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:31:54,342 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2018-11-10 10:31:54,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:31:54,355 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2018-11-10 10:31:54,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 10:31:54,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-10 10:31:54,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:31:54,361 INFO L225 Difference]: With dead ends: 38 [2018-11-10 10:31:54,361 INFO L226 Difference]: Without dead ends: 18 [2018-11-10 10:31:54,363 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:31:54,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-10 10:31:54,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-10 10:31:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-10 10:31:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2018-11-10 10:31:54,389 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 14 [2018-11-10 10:31:54,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:31:54,389 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2018-11-10 10:31:54,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 10:31:54,390 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-10 10:31:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 10:31:54,390 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:31:54,390 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:31:54,391 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:31:54,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:31:54,391 INFO L82 PathProgramCache]: Analyzing trace with hash -146941417, now seen corresponding path program 1 times [2018-11-10 10:31:54,392 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:31:54,392 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/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 [2018-11-10 10:31:54,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:31:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:54,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:31:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:54,805 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:31:54,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:31:54,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:31:54,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:31:54,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:31:54,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:31:54,817 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 3 states. [2018-11-10 10:31:57,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:31:57,201 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-11-10 10:31:57,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:31:57,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-10 10:31:57,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:31:57,203 INFO L225 Difference]: With dead ends: 29 [2018-11-10 10:31:57,203 INFO L226 Difference]: Without dead ends: 23 [2018-11-10 10:31:57,204 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:31:57,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-10 10:31:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2018-11-10 10:31:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-10 10:31:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-11-10 10:31:57,207 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 15 [2018-11-10 10:31:57,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:31:57,207 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-11-10 10:31:57,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:31:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-10 10:31:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:31:57,208 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:31:57,208 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:31:57,208 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:31:57,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:31:57,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1268654585, now seen corresponding path program 1 times [2018-11-10 10:31:57,209 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:31:57,209 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb66de08-c51b-4e14-9003-3121bbdd5ee0/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 [2018-11-10 10:31:57,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:31:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:58,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:34:33,579 WARN L179 SmtUtils]: Spent 2.59 m on a formula simplification. DAG size of input: 177 DAG size of output: 153 [2018-11-10 10:34:33,867 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:34:33,869 INFO L303 Elim1Store]: Index analysis took 283 ms [2018-11-10 10:34:33,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 446 treesize of output 451 [2018-11-10 10:34:59,584 WARN L179 SmtUtils]: Spent 25.71 s on a formula simplification. DAG size of input: 155 DAG size of output: 150 [2018-11-10 10:35:00,058 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:35:00,242 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:35:00,416 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:35:00,418 INFO L303 Elim1Store]: Index analysis took 830 ms [2018-11-10 10:35:00,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 44 [2018-11-10 10:35:01,096 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:35:01,278 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:35:01,279 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 10:35:01,280 INFO L303 Elim1Store]: Index analysis took 836 ms [2018-11-10 10:35:01,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 25 [2018-11-10 10:35:01,282 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 10:35:03,782 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:35:16,692 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:35:16,921 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:35:16,923 INFO L303 Elim1Store]: Index analysis took 229 ms [2018-11-10 10:35:16,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 448 treesize of output 453 [2018-11-10 10:35:39,805 WARN L179 SmtUtils]: Spent 22.88 s on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2018-11-10 10:35:40,383 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:35:40,383 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 10:35:40,385 INFO L303 Elim1Store]: Index analysis took 577 ms [2018-11-10 10:35:40,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-11-10 10:35:40,930 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:35:41,238 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:35:41,436 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:35:41,755 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:35:41,756 INFO L303 Elim1Store]: Index analysis took 1340 ms [2018-11-10 10:35:41,757 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 23 treesize of output 25 [2018-11-10 10:35:41,757 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-10 10:35:44,379 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:35:57,912 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:37:23,739 INFO L303 Elim1Store]: Index analysis took 2886 ms [2018-11-10 10:37:23,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 436 treesize of output 352 [2018-11-10 10:37:52,319 WARN L179 SmtUtils]: Spent 28.58 s on a formula simplification. DAG size of input: 165 DAG size of output: 148 [2018-11-10 10:37:52,556 INFO L303 Elim1Store]: Index analysis took 236 ms [2018-11-10 10:37:52,557 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 28 treesize of output 31 [2018-11-10 10:37:52,973 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:37:53,373 INFO L303 Elim1Store]: Index analysis took 805 ms [2018-11-10 10:37:53,374 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 31 treesize of output 39 [2018-11-10 10:37:53,699 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:37:54,208 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:37:54,402 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:37:55,405 INFO L303 Elim1Store]: Index analysis took 2028 ms [2018-11-10 10:37:55,406 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 33 treesize of output 55 [2018-11-10 10:37:55,726 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:37:55,966 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:37:56,128 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:37:56,303 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:37:56,511 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:37:56,669 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:37:59,811 INFO L303 Elim1Store]: Index analysis took 4401 ms [2018-11-10 10:37:59,812 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 35 treesize of output 79 [2018-11-10 10:38:00,339 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:00,515 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:00,666 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:00,737 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:00,829 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:01,042 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:01,334 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:01,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:01,529 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:01,669 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:05,835 INFO L303 Elim1Store]: Index analysis took 6019 ms [2018-11-10 10:38:05,836 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 116 [2018-11-10 10:38:05,837 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-10 10:38:10,062 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:38:12,721 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:38:15,423 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:38:18,131 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:38:29,266 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:29,267 INFO L303 Elim1Store]: Index analysis took 2657 ms [2018-11-10 10:38:29,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 200 [2018-11-10 10:38:47,147 WARN L179 SmtUtils]: Spent 17.88 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2018-11-10 10:38:47,219 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 58 treesize of output 57 [2018-11-10 10:38:47,358 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:47,458 INFO L303 Elim1Store]: Index analysis took 237 ms [2018-11-10 10:38:47,459 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 57 treesize of output 60 [2018-11-10 10:38:47,594 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:47,649 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:47,708 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:48,081 INFO L303 Elim1Store]: Index analysis took 619 ms [2018-11-10 10:38:48,081 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 54 treesize of output 71 [2018-11-10 10:38:48,249 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:48,296 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:48,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:48,474 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:48,515 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:48,544 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:49,079 INFO L303 Elim1Store]: Index analysis took 994 ms [2018-11-10 10:38:49,080 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 51 treesize of output 90 [2018-11-10 10:38:49,255 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:49,297 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:49,336 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:49,391 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:49,458 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:49,508 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:49,558 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:49,620 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:49,677 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:49,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:50,052 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:50,583 INFO L303 Elim1Store]: Index analysis took 1499 ms [2018-11-10 10:38:50,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 132 [2018-11-10 10:38:50,585 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-10 10:38:51,843 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:38:52,573 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:38:53,289 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:38:53,875 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:38:56,333 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:56,394 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:56,679 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:56,681 INFO L303 Elim1Store]: Index analysis took 1045 ms [2018-11-10 10:38:56,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 236 [2018-11-10 10:38:56,729 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 87 treesize of output 83 [2018-11-10 10:38:56,856 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:56,934 INFO L303 Elim1Store]: Index analysis took 203 ms [2018-11-10 10:38:56,935 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 83 treesize of output 81 [2018-11-10 10:38:57,074 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:57,129 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:57,185 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:57,461 INFO L303 Elim1Store]: Index analysis took 524 ms [2018-11-10 10:38:57,462 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 75 treesize of output 87 [2018-11-10 10:38:57,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:57,637 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:57,693 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:57,726 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:57,774 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:57,822 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:58,197 INFO L303 Elim1Store]: Index analysis took 732 ms [2018-11-10 10:38:58,198 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 67 treesize of output 101 [2018-11-10 10:38:58,297 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:58,335 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:58,375 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:58,417 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:58,449 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:58,490 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:58,539 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:58,568 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:58,613 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:58,654 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:38:59,369 INFO L303 Elim1Store]: Index analysis took 1166 ms [2018-11-10 10:38:59,370 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 132 [2018-11-10 10:38:59,370 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-10 10:39:00,336 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:00,831 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:01,297 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:01,672 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:03,017 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,122 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,181 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,291 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,318 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,507 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,509 INFO L303 Elim1Store]: Index analysis took 566 ms [2018-11-10 10:39:03,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 293 [2018-11-10 10:39:03,542 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 116 treesize of output 109 [2018-11-10 10:39:03,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,620 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 109 treesize of output 102 [2018-11-10 10:39:03,666 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,689 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,702 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,780 INFO L303 Elim1Store]: Index analysis took 157 ms [2018-11-10 10:39:03,781 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 96 treesize of output 103 [2018-11-10 10:39:03,813 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,820 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,832 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,845 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,854 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,864 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:03,969 INFO L303 Elim1Store]: Index analysis took 184 ms [2018-11-10 10:39:03,970 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 83 treesize of output 112 [2018-11-10 10:39:04,050 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:04,073 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:04,093 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:04,111 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:04,129 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:04,144 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:04,169 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:04,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:04,202 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:04,215 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:04,474 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:04,594 INFO L303 Elim1Store]: Index analysis took 621 ms [2018-11-10 10:39:04,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 148 [2018-11-10 10:39:04,596 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-10 10:39:04,765 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:04,846 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:04,927 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:05,004 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:05,268 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:05,451 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:05,634 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:06,069 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:08,770 INFO L303 Elim1Store]: Index analysis took 2700 ms [2018-11-10 10:39:08,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 438 treesize of output 354 [2018-11-10 10:39:30,182 WARN L179 SmtUtils]: Spent 21.41 s on a formula simplification. DAG size of input: 167 DAG size of output: 150 [2018-11-10 10:39:30,356 INFO L303 Elim1Store]: Index analysis took 173 ms [2018-11-10 10:39:30,356 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 28 treesize of output 31 [2018-11-10 10:39:30,677 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:31,074 INFO L303 Elim1Store]: Index analysis took 716 ms [2018-11-10 10:39:31,074 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 31 treesize of output 39 [2018-11-10 10:39:31,445 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:31,906 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:32,120 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:33,359 INFO L303 Elim1Store]: Index analysis took 2282 ms [2018-11-10 10:39:33,360 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 33 treesize of output 55 [2018-11-10 10:39:33,917 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:34,049 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:34,166 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:34,341 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:34,499 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:34,738 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:36,874 INFO L303 Elim1Store]: Index analysis took 3512 ms [2018-11-10 10:39:36,875 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 35 treesize of output 79 [2018-11-10 10:39:37,205 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:37,338 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:37,530 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:37,661 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:37,892 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:38,075 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:38,295 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:38,412 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:38,551 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:38,747 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:39:41,905 INFO L303 Elim1Store]: Index analysis took 5027 ms [2018-11-10 10:39:41,906 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 116 [2018-11-10 10:39:41,907 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-10 10:39:46,354 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:49,186 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:52,029 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:39:54,457 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:04,348 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:04,350 INFO L303 Elim1Store]: Index analysis took 2353 ms [2018-11-10 10:40:04,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 200 [2018-11-10 10:40:29,355 WARN L179 SmtUtils]: Spent 25.00 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2018-11-10 10:40:29,482 INFO L303 Elim1Store]: Index analysis took 125 ms [2018-11-10 10:40:29,482 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 58 treesize of output 57 [2018-11-10 10:40:29,694 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:29,840 INFO L303 Elim1Store]: Index analysis took 357 ms [2018-11-10 10:40:29,841 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 57 treesize of output 60 [2018-11-10 10:40:30,013 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:30,068 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:30,113 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:30,556 INFO L303 Elim1Store]: Index analysis took 713 ms [2018-11-10 10:40:30,557 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 54 treesize of output 71 [2018-11-10 10:40:30,722 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:30,796 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:30,863 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:30,924 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:30,979 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:31,053 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:31,808 INFO L303 Elim1Store]: Index analysis took 1249 ms [2018-11-10 10:40:31,809 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 51 treesize of output 90 [2018-11-10 10:40:31,971 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:32,031 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:32,086 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:32,148 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:32,222 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:32,270 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:32,319 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:32,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:32,410 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:32,457 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:32,765 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:33,292 INFO L303 Elim1Store]: Index analysis took 1479 ms [2018-11-10 10:40:33,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 132 [2018-11-10 10:40:33,294 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-10 10:40:34,477 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:35,148 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:35,907 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:36,692 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:39,522 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:39,602 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:39,962 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:39,964 INFO L303 Elim1Store]: Index analysis took 1251 ms [2018-11-10 10:40:39,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 236 [2018-11-10 10:40:40,069 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 87 treesize of output 83 [2018-11-10 10:40:40,164 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:40,246 INFO L303 Elim1Store]: Index analysis took 176 ms [2018-11-10 10:40:40,247 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 83 treesize of output 81 [2018-11-10 10:40:40,378 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:40,423 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:40,469 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:40,830 INFO L303 Elim1Store]: Index analysis took 580 ms [2018-11-10 10:40:40,831 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 75 treesize of output 87 [2018-11-10 10:40:40,973 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:41,022 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:41,083 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:41,152 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:41,201 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:41,260 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:41,850 INFO L303 Elim1Store]: Index analysis took 1016 ms [2018-11-10 10:40:41,851 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 67 treesize of output 101 [2018-11-10 10:40:41,989 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:42,030 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:42,093 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:42,151 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:42,205 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:42,252 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:42,310 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:42,352 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:42,407 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:42,465 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:43,311 INFO L303 Elim1Store]: Index analysis took 1456 ms [2018-11-10 10:40:43,312 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 132 [2018-11-10 10:40:43,313 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-10 10:40:44,393 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:45,062 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:45,561 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:45,981 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:47,578 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:47,714 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:47,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:47,886 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:47,936 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:48,165 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:48,166 INFO L303 Elim1Store]: Index analysis took 692 ms [2018-11-10 10:40:48,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 293 [2018-11-10 10:40:48,213 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 116 treesize of output 109 [2018-11-10 10:40:48,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:48,575 INFO L303 Elim1Store]: Index analysis took 360 ms [2018-11-10 10:40:48,576 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 109 treesize of output 102 [2018-11-10 10:40:48,743 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:48,805 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:48,863 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:49,180 INFO L303 Elim1Store]: Index analysis took 601 ms [2018-11-10 10:40:49,181 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 96 treesize of output 103 [2018-11-10 10:40:49,307 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:49,347 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:49,391 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:49,425 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:49,481 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:49,520 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,177 INFO L303 Elim1Store]: Index analysis took 992 ms [2018-11-10 10:40:50,178 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 83 treesize of output 112 [2018-11-10 10:40:50,249 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,265 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,278 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,298 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,322 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,336 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,346 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,380 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,394 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,619 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:50,711 INFO L303 Elim1Store]: Index analysis took 530 ms [2018-11-10 10:40:50,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 148 [2018-11-10 10:40:50,713 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-10 10:40:50,898 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:51,000 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:51,085 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:51,170 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:51,465 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:51,669 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:51,875 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:52,346 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:40:53,588 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 10:40:53,588 INFO L202 ElimStorePlain]: Needed 55 recursive calls to eliminate 22 variables, input treesize:1117, output treesize:373 [2018-11-10 10:40:53,827 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-11-10 10:40:53,959 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-11-10 10:40:54,248 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-11-10 10:40:54,517 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-10 10:40:56,143 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,223 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,262 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,302 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,341 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,381 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,422 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,462 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,504 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,542 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,579 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:40:56,611 INFO L303 Elim1Store]: Index analysis took 2088 ms [2018-11-10 10:40:56,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 259 [2018-11-10 10:40:59,938 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:41:00,076 INFO L303 Elim1Store]: Index analysis took 3461 ms [2018-11-10 10:41:06,109 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 140 treesize of output 198 [2018-11-10 10:41:06,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-11-10 10:41:06,677 INFO L267 ElimStorePlain]: Start of recursive call 3: 640 dim-0 vars, End of recursive call: 640 dim-0 vars, and 137 xjuncts. [2018-11-10 10:46:05,093 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-10 10:46:05,294 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2018-11-10 10:46:05,295 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.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.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) ... 47 more [2018-11-10 10:46:05,299 INFO L168 Benchmark]: Toolchain (without parser) took 854368.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 285.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:46:05,300 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:46:05,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.62 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 931.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:46:05,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.30 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:46:05,301 INFO L168 Benchmark]: Boogie Preprocessor took 34.45 ms. Allocated memory is still 1.0 GB. Free memory was 931.8 MB in the beginning and 926.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:46:05,302 INFO L168 Benchmark]: RCFGBuilder took 2629.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 926.4 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:46:05,303 INFO L168 Benchmark]: TraceAbstraction took 851473.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -18.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -21.3 MB). Peak memory consumption was 276.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:46:05,306 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 196.62 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 931.8 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 31.30 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.45 ms. Allocated memory is still 1.0 GB. Free memory was 931.8 MB in the beginning and 926.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2629.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 926.4 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 851473.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -18.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -21.3 MB). Peak memory consumption was 276.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...