./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/interpolation_true-unreach-call.c.v+cfa-reducer.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_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation_true-unreach-call.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 ............................................................................................................................................................................................................................................................ 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_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation_true-unreach-call.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000)Received EOF on stdin. No stderr output. --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:34:57,439 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:34:57,441 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:34:57,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:34:57,450 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:34:57,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:34:57,451 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:34:57,452 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:34:57,454 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:34:57,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:34:57,455 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:34:57,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:34:57,456 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:34:57,457 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:34:57,458 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:34:57,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:34:57,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:34:57,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:34:57,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:34:57,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:34:57,465 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:34:57,466 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:34:57,468 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:34:57,468 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:34:57,468 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:34:57,469 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:34:57,469 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:34:57,470 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:34:57,470 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:34:57,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:34:57,471 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:34:57,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:34:57,472 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:34:57,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:34:57,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:34:57,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:34:57,473 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:34:57,485 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:34:57,486 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:34:57,486 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:34:57,486 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:34:57,487 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:34:57,487 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:34:57,487 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:34:57,487 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:34:57,487 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:34:57,488 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:34:57,488 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:34:57,488 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:34:57,488 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:34:57,488 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:34:57,488 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:34:57,488 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:34:57,489 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:34:57,489 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:34:57,489 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:34:57,489 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:34:57,489 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:34:57,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:34:57,492 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:34:57,492 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:34:57,492 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:34:57,492 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:34:57,492 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:34:57,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:34:57,493 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_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak 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 -> Kojak 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 -> bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 [2018-10-26 23:34:57,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:34:57,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:34:57,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:34:57,541 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:34:57,541 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:34:57,542 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/interpolation_true-unreach-call.c.v+cfa-reducer.c [2018-10-26 23:34:57,587 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/data/e18d75fc3/a718daa12db24db58775cd7027aeede0/FLAG06c63b2ed [2018-10-26 23:34:57,981 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:34:57,981 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/sv-benchmarks/c/float-benchs/interpolation_true-unreach-call.c.v+cfa-reducer.c [2018-10-26 23:34:57,988 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/data/e18d75fc3/a718daa12db24db58775cd7027aeede0/FLAG06c63b2ed [2018-10-26 23:34:58,004 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/data/e18d75fc3/a718daa12db24db58775cd7027aeede0 [2018-10-26 23:34:58,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:34:58,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:34:58,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:34:58,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:34:58,015 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:34:58,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:34:58" (1/1) ... [2018-10-26 23:34:58,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e653c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58, skipping insertion in model container [2018-10-26 23:34:58,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:34:58" (1/1) ... [2018-10-26 23:34:58,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:34:58,050 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:34:58,187 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:34:58,191 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:34:58,213 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:34:58,231 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:34:58,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58 WrapperNode [2018-10-26 23:34:58,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:34:58,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:34:58,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:34:58,233 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:34:58,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58" (1/1) ... [2018-10-26 23:34:58,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58" (1/1) ... [2018-10-26 23:34:58,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:34:58,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:34:58,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:34:58,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:34:58,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58" (1/1) ... [2018-10-26 23:34:58,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58" (1/1) ... [2018-10-26 23:34:58,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58" (1/1) ... [2018-10-26 23:34:58,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58" (1/1) ... [2018-10-26 23:34:58,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58" (1/1) ... [2018-10-26 23:34:58,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58" (1/1) ... [2018-10-26 23:34:58,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58" (1/1) ... [2018-10-26 23:34:58,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:34:58,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:34:58,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:34:58,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:34:58,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:34:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-10-26 23:34:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-26 23:34:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:34:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:34:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:34:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-10-26 23:34:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 23:34:59,771 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:34:59,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:34:59 BoogieIcfgContainer [2018-10-26 23:34:59,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:34:59,772 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:34:59,772 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:34:59,783 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:34:59,783 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:34:59" (1/1) ... [2018-10-26 23:34:59,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:34:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-10-26 23:34:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-10-26 23:34:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:34:59,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:35:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:35:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-10-26 23:35:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-10-26 23:35:00,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:35:00,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:35:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:35:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:35:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:35:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:35:00,183 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 23:35:00,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:35:00 ImpRootNode [2018-10-26 23:35:00,227 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:35:00,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:35:00,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:35:00,227 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:35:00,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:34:59" (3/4) ... [2018-10-26 23:35:00,234 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 23:35:00,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:35:00,235 INFO L168 Benchmark]: Toolchain (without parser) took 2225.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:35:00,236 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:35:00,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.12 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 943.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:35:00,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.56 ms. Allocated memory is still 1.0 GB. Free memory was 943.5 MB in the beginning and 940.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:35:00,242 INFO L168 Benchmark]: Boogie Preprocessor took 22.00 ms. Allocated memory is still 1.0 GB. Free memory was 940.8 MB in the beginning and 938.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:35:00,243 INFO L168 Benchmark]: RCFGBuilder took 1480.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:35:00,245 INFO L168 Benchmark]: CodeCheck took 454.55 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:35:00,247 INFO L168 Benchmark]: Witness Printer took 6.78 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. [2018-10-26 23:35:00,251 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 57 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 46]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 33, overapproximation of to_real at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 31. Possible FailurePath: [L1] int __return_main; [L7] int __return_125; [L10] int main__i; [L11] float main__z; [L12] float main__t; [L13] FCALL float main__min[5] = { 5, 10, 12, 30, 150 }; [L14] FCALL float main__max[5] = { 10, 12, 30, 150, 300 }; [L15] main__t = __VERIFIER_nondet_float() [L16] int main____CPAchecker_TMP_0; [L17] EXPR, FCALL main__min[0] VAL [__return_125=0, __return_main=0] [L17] COND TRUE main__t >= (main__min[0]) [L19] EXPR, FCALL main__max[4UL] VAL [__return_125=0, __return_main=0] [L19] COND TRUE main__t <= (main__max[4UL]) [L21] main____CPAchecker_TMP_0 = 1 VAL [__return_125=0, __return_main=0] [L22] COND TRUE main____CPAchecker_TMP_0 != 0 [L24] main__i = 0 VAL [__return_125=0, __return_main=0] [L26] COND TRUE main__i < 5UL [L28] EXPR, FCALL main__max[main__i] VAL [__return_125=0, __return_main=0] [L28] COND TRUE main__t <= (main__max[main__i]) [L31] EXPR, FCALL main__min[main__i] [L31] EXPR, FCALL main__max[main__i] [L31] EXPR, FCALL main__min[main__i] [L31] main__z = (main__t - (main__min[main__i])) / ((main__max[main__i]) - (main__min[main__i])) [L32] int main____CPAchecker_TMP_1; VAL [__return_125=0, __return_main=0] [L33] COND FALSE !(main__z >= 0.0) VAL [__return_125=0, __return_main=0] [L59] main____CPAchecker_TMP_1 = 0 VAL [__return_125=0, __return_main=0] [L40] int __tmp_1; [L41] __tmp_1 = main____CPAchecker_TMP_1 [L42] int __VERIFIER_assert__cond; [L43] __VERIFIER_assert__cond = __tmp_1 VAL [__return_125=0, __return_main=0] [L44] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_125=0, __return_main=0] [L46] __VERIFIER_error() VAL [__return_125=0, __return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.12 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 943.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.56 ms. Allocated memory is still 1.0 GB. Free memory was 943.5 MB in the beginning and 940.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.00 ms. Allocated memory is still 1.0 GB. Free memory was 940.8 MB in the beginning and 938.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1480.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * CodeCheck took 454.55 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.78 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. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:35:02,386 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:35:02,387 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:35:02,397 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:35:02,398 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:35:02,398 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:35:02,400 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:35:02,401 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:35:02,403 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:35:02,404 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:35:02,405 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:35:02,405 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:35:02,405 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:35:02,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:35:02,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:35:02,408 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:35:02,409 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:35:02,411 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:35:02,413 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:35:02,414 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:35:02,415 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:35:02,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:35:02,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:35:02,419 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:35:02,420 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:35:02,421 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:35:02,422 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:35:02,423 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:35:02,423 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:35:02,424 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:35:02,424 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:35:02,425 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:35:02,425 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:35:02,426 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:35:02,427 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:35:02,428 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:35:02,428 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 23:35:02,441 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:35:02,441 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:35:02,442 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:35:02,443 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:35:02,443 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:35:02,443 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:35:02,443 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:35:02,444 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:35:02,444 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:35:02,444 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:35:02,444 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:35:02,444 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:35:02,444 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:35:02,444 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 23:35:02,445 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 23:35:02,445 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:35:02,445 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:35:02,445 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:35:02,445 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:35:02,445 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:35:02,447 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:35:02,448 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:35:02,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:35:02,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:35:02,448 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:35:02,448 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:35:02,448 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 23:35:02,449 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 23:35:02,449 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:35:02,449 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 23:35:02,449 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 23:35:02,449 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_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak 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 -> Kojak 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 -> bc3a4b6baf54a52b2668f0d190858e0c4ceb7af5 [2018-10-26 23:35:02,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:35:02,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:35:02,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:35:02,504 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:35:02,504 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:35:02,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/interpolation_true-unreach-call.c.v+cfa-reducer.c [2018-10-26 23:35:02,557 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/data/ea6fab0c8/e7576b4dc19846b0b0802883e58d4907/FLAG5be93bea3 [2018-10-26 23:35:02,943 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:35:02,944 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/sv-benchmarks/c/float-benchs/interpolation_true-unreach-call.c.v+cfa-reducer.c [2018-10-26 23:35:02,950 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/data/ea6fab0c8/e7576b4dc19846b0b0802883e58d4907/FLAG5be93bea3 [2018-10-26 23:35:02,963 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/data/ea6fab0c8/e7576b4dc19846b0b0802883e58d4907 [2018-10-26 23:35:02,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:35:02,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:35:02,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:35:02,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:35:02,973 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:35:02,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:35:02" (1/1) ... [2018-10-26 23:35:02,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@185556dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:02, skipping insertion in model container [2018-10-26 23:35:02,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:35:02" (1/1) ... [2018-10-26 23:35:02,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:35:03,014 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:35:03,217 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:35:03,222 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:35:03,253 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:35:03,277 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:35:03,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:03 WrapperNode [2018-10-26 23:35:03,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:35:03,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:35:03,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:35:03,279 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:35:03,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:03" (1/1) ... [2018-10-26 23:35:03,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:03" (1/1) ... [2018-10-26 23:35:03,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:35:03,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:35:03,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:35:03,321 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:35:03,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:03" (1/1) ... [2018-10-26 23:35:03,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:03" (1/1) ... [2018-10-26 23:35:03,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:03" (1/1) ... [2018-10-26 23:35:03,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:03" (1/1) ... [2018-10-26 23:35:03,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:03" (1/1) ... [2018-10-26 23:35:03,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:03" (1/1) ... [2018-10-26 23:35:03,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:03" (1/1) ... [2018-10-26 23:35:03,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:35:03,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:35:03,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:35:03,347 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:35:03,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2d0f8e4-00b4-45ed-b841-cae9a3f0f118/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-10-26 23:35:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:35:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-10-26 23:35:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:35:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:35:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-10-26 23:35:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 23:35:03,632 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:35:03,648 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:35:03,664 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:35:03,680 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:35:03,696 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:35:03,726 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:35:03,742 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:35:03,758 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:35:03,774 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:35:03,781 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:35:16,761 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:35:16,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:35:16 BoogieIcfgContainer [2018-10-26 23:35:16,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:35:16,763 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:35:16,763 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:35:16,777 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:35:16,778 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:35:16" (1/1) ... [2018-10-26 23:35:16,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:35:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-10-26 23:35:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-10-26 23:35:16,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:35:16,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:35:16,889 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 23:35:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:17,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:35:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:35:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:35:17,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-10-26 23:35:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-10-26 23:35:17,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:35:17,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:35:17,281 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 23:35:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:25,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:35:27,171 WARN L179 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2018-10-26 23:35:27,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-10-26 23:35:27,386 INFO L303 Elim1Store]: Index analysis took 116 ms [2018-10-26 23:35:27,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-10-26 23:35:27,387 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:35:27,450 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:28,313 INFO L303 Elim1Store]: Index analysis took 285 ms [2018-10-26 23:35:28,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 64 [2018-10-26 23:35:28,356 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 [2018-10-26 23:35:28,413 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:28,468 INFO L303 Elim1Store]: Index analysis took 109 ms [2018-10-26 23:35:28,469 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 [2018-10-26 23:35:28,525 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:28,553 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:28,576 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:28,726 INFO L303 Elim1Store]: Index analysis took 253 ms [2018-10-26 23:35:28,727 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 [2018-10-26 23:35:28,780 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:28,797 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:28,831 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:28,854 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:28,882 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:28,910 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:29,179 INFO L303 Elim1Store]: Index analysis took 447 ms [2018-10-26 23:35:29,181 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 [2018-10-26 23:35:29,256 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:29,280 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:29,300 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:29,342 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:29,365 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:29,390 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:29,408 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:29,430 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:29,456 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:29,478 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:29,975 INFO L303 Elim1Store]: Index analysis took 787 ms [2018-10-26 23:35:29,979 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 [2018-10-26 23:35:29,981 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 23:35:30,487 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:30,880 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:31,183 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:31,427 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:31,871 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:31,928 INFO L303 Elim1Store]: Index analysis took 172 ms [2018-10-26 23:35:31,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 105 [2018-10-26 23:35:31,952 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 [2018-10-26 23:35:31,977 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:31,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 60 [2018-10-26 23:35:32,010 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,015 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,020 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,042 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 [2018-10-26 23:35:32,083 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,107 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,127 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,149 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,171 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,187 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,389 INFO L303 Elim1Store]: Index analysis took 342 ms [2018-10-26 23:35:32,391 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 [2018-10-26 23:35:32,409 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,412 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,415 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,418 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,421 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,424 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,427 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,434 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,437 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,440 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:32,489 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 48 treesize of output 124 [2018-10-26 23:35:32,491 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 23:35:32,583 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:32,636 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:32,675 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:32,719 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:32,799 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:32,884 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:33,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:35:33,039 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 12 variables, input treesize:148, output treesize:74 [2018-10-26 23:35:34,029 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:34,058 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:35:34,087 INFO L303 Elim1Store]: Index analysis took 637 ms [2018-10-26 23:35:34,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 121 [2018-10-26 23:35:34,464 INFO L303 Elim1Store]: Index analysis took 374 ms [2018-10-26 23:35:35,836 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 77 [2018-10-26 23:35:35,840 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-10-26 23:37:03,064 INFO L303 Elim1Store]: Index analysis took 823 ms [2018-10-26 23:37:03,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 83 [2018-10-26 23:37:03,846 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-10-26 23:37:04,795 INFO L303 Elim1Store]: Index analysis took 949 ms [2018-10-26 23:37:04,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 71 [2018-10-26 23:37:04,798 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 23:38:34,665 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-10-26 23:39:24,221 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 3 xjuncts. [2018-10-26 23:39:24,221 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:155, output treesize:214 [2018-10-26 23:39:34,431 WARN L832 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_2 (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6)))) (and (fp.geq v_prenex_2 .cse0) (= .cse0 ((_ to_fp 8 24) RNE (_ bv5 32))) (= (fp.div RNE (fp.sub RNE v_prenex_2 .cse0) (fp.sub RNE .cse1 .cse0)) c_ULTIMATE.start_main_~main__z~0) (fp.leq v_prenex_2 .cse1) (= ((_ to_fp 8 24) RNE (_ bv10 32)) .cse1)))) (exists ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_8 (_ BitVec 32)) (v_prenex_1 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8)))) (and (= .cse2 ((_ to_fp 8 24) RNE (_ bv10 32))) (fp.leq ULTIMATE.start_main_~main__t~0 .cse2) (= .cse3 ((_ to_fp 8 24) RNE (_ bv5 32))) (fp.geq ULTIMATE.start_main_~main__t~0 .cse3) (= (fp.div RNE (fp.sub RNE ULTIMATE.start_main_~main__t~0 .cse3) (fp.sub RNE .cse2 .cse3)) c_ULTIMATE.start_main_~main__z~0)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_5 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5))) (.cse5 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (and (= ((_ to_fp 8 24) RNE (_ bv10 32)) .cse4) (fp.geq v_prenex_3 .cse5) (= ((_ to_fp 8 24) RNE (_ bv5 32)) .cse5) (fp.leq v_prenex_3 .cse4) (= (fp.div RNE (fp.sub RNE v_prenex_3 .cse5) (fp.sub RNE .cse4 .cse5)) c_ULTIMATE.start_main_~main__z~0))))) is different from false [2018-10-26 23:39:44,464 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_2 (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6)))) (and (fp.geq v_prenex_2 .cse0) (= .cse0 ((_ to_fp 8 24) RNE (_ bv5 32))) (= (fp.div RNE (fp.sub RNE v_prenex_2 .cse0) (fp.sub RNE .cse1 .cse0)) c_ULTIMATE.start_main_~main__z~0) (fp.leq v_prenex_2 .cse1) (= ((_ to_fp 8 24) RNE (_ bv10 32)) .cse1)))) (exists ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_8 (_ BitVec 32)) (v_prenex_1 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8)))) (and (= .cse2 ((_ to_fp 8 24) RNE (_ bv10 32))) (fp.leq ULTIMATE.start_main_~main__t~0 .cse2) (= .cse3 ((_ to_fp 8 24) RNE (_ bv5 32))) (fp.geq ULTIMATE.start_main_~main__t~0 .cse3) (= (fp.div RNE (fp.sub RNE ULTIMATE.start_main_~main__t~0 .cse3) (fp.sub RNE .cse2 .cse3)) c_ULTIMATE.start_main_~main__z~0)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_5 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5))) (.cse5 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (and (= ((_ to_fp 8 24) RNE (_ bv10 32)) .cse4) (fp.geq v_prenex_3 .cse5) (= ((_ to_fp 8 24) RNE (_ bv5 32)) .cse5) (fp.leq v_prenex_3 .cse4) (= (fp.div RNE (fp.sub RNE v_prenex_3 .cse5) (fp.sub RNE .cse4 .cse5)) c_ULTIMATE.start_main_~main__z~0))))) is different from true [2018-10-26 23:40:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:34,825 WARN L832 $PredicateComparison]: unable to prove that (not (or (exists ((v_prenex_2 (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6)))) (and (fp.geq v_prenex_2 .cse0) (= .cse0 ((_ to_fp 8 24) RNE (_ bv5 32))) (= (fp.div RNE (fp.sub RNE v_prenex_2 .cse0) (fp.sub RNE .cse1 .cse0)) c_ULTIMATE.start_main_~main__z~0) (fp.leq v_prenex_2 .cse1) (= ((_ to_fp 8 24) RNE (_ bv10 32)) .cse1)))) (exists ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_8 (_ BitVec 32)) (v_prenex_1 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8)))) (and (= .cse2 ((_ to_fp 8 24) RNE (_ bv10 32))) (fp.leq ULTIMATE.start_main_~main__t~0 .cse2) (= .cse3 ((_ to_fp 8 24) RNE (_ bv5 32))) (fp.geq ULTIMATE.start_main_~main__t~0 .cse3) (= (fp.div RNE (fp.sub RNE ULTIMATE.start_main_~main__t~0 .cse3) (fp.sub RNE .cse2 .cse3)) c_ULTIMATE.start_main_~main__z~0)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_5 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5))) (.cse5 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (and (= ((_ to_fp 8 24) RNE (_ bv10 32)) .cse4) (fp.geq v_prenex_3 .cse5) (= ((_ to_fp 8 24) RNE (_ bv5 32)) .cse5) (fp.leq v_prenex_3 .cse4) (= (fp.div RNE (fp.sub RNE v_prenex_3 .cse5) (fp.sub RNE .cse4 .cse5)) c_ULTIMATE.start_main_~main__z~0)))))) is different from false [2018-10-26 23:40:45,012 WARN L854 $PredicateComparison]: unable to prove that (not (or (exists ((v_prenex_2 (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6)))) (and (fp.geq v_prenex_2 .cse0) (= .cse0 ((_ to_fp 8 24) RNE (_ bv5 32))) (= (fp.div RNE (fp.sub RNE v_prenex_2 .cse0) (fp.sub RNE .cse1 .cse0)) c_ULTIMATE.start_main_~main__z~0) (fp.leq v_prenex_2 .cse1) (= ((_ to_fp 8 24) RNE (_ bv10 32)) .cse1)))) (exists ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_8 (_ BitVec 32)) (v_prenex_1 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8)))) (and (= .cse2 ((_ to_fp 8 24) RNE (_ bv10 32))) (fp.leq ULTIMATE.start_main_~main__t~0 .cse2) (= .cse3 ((_ to_fp 8 24) RNE (_ bv5 32))) (fp.geq ULTIMATE.start_main_~main__t~0 .cse3) (= (fp.div RNE (fp.sub RNE ULTIMATE.start_main_~main__t~0 .cse3) (fp.sub RNE .cse2 .cse3)) c_ULTIMATE.start_main_~main__z~0)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_5 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5))) (.cse5 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (and (= ((_ to_fp 8 24) RNE (_ bv10 32)) .cse4) (fp.geq v_prenex_3 .cse5) (= ((_ to_fp 8 24) RNE (_ bv5 32)) .cse5) (fp.leq v_prenex_3 .cse4) (= (fp.div RNE (fp.sub RNE v_prenex_3 .cse5) (fp.sub RNE .cse4 .cse5)) c_ULTIMATE.start_main_~main__z~0)))))) is different from true [2018-10-26 23:40:45,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:45,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2018-10-26 23:40:45,016 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2018-10-26 23:40:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:40:45,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:45,021 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 23:40:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:53,458 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:40:54,901 WARN L179 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2018-10-26 23:40:54,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-10-26 23:40:55,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-10-26 23:40:55,023 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:40:55,092 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:55,843 INFO L303 Elim1Store]: Index analysis took 201 ms [2018-10-26 23:40:55,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 64 [2018-10-26 23:40:55,869 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 [2018-10-26 23:40:55,901 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:55,939 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 [2018-10-26 23:40:55,987 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,007 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,025 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,131 INFO L303 Elim1Store]: Index analysis took 190 ms [2018-10-26 23:40:56,132 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 [2018-10-26 23:40:56,189 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,202 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,225 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,251 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,271 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,293 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,514 INFO L303 Elim1Store]: Index analysis took 379 ms [2018-10-26 23:40:56,515 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 [2018-10-26 23:40:56,574 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,596 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,618 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,638 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,663 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,684 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,710 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,730 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,752 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:56,779 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:57,205 INFO L303 Elim1Store]: Index analysis took 685 ms [2018-10-26 23:40:57,207 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 [2018-10-26 23:40:57,207 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 23:40:57,688 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:58,021 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:58,288 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:58,546 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:58,979 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,020 INFO L303 Elim1Store]: Index analysis took 158 ms [2018-10-26 23:40:59,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 105 [2018-10-26 23:40:59,049 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 [2018-10-26 23:40:59,075 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,083 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 [2018-10-26 23:40:59,095 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,098 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,102 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,120 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 [2018-10-26 23:40:59,133 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,137 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,140 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,166 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,195 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,219 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,320 INFO L303 Elim1Store]: Index analysis took 196 ms [2018-10-26 23:40:59,321 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 [2018-10-26 23:40:59,367 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,394 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,397 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,400 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,404 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,407 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,410 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,413 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,416 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,419 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:40:59,471 INFO L303 Elim1Store]: Index analysis took 147 ms [2018-10-26 23:40:59,472 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 48 treesize of output 124 [2018-10-26 23:40:59,473 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 23:40:59,547 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:59,593 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:59,632 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:59,697 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:59,769 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:59,840 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:59,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:40:59,967 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 12 variables, input treesize:148, output treesize:74 [2018-10-26 23:41:00,154 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:41:00,179 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 23:41:00,213 INFO L303 Elim1Store]: Index analysis took 241 ms [2018-10-26 23:41:00,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 121 [2018-10-26 23:41:00,566 INFO L303 Elim1Store]: Index analysis took 351 ms [2018-10-26 23:41:05,450 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 77 [2018-10-26 23:41:05,453 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-10-26 23:41:45,868 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:10000)Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:258) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.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.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:627) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:457) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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) ... 38 more [2018-10-26 23:41:45,871 INFO L168 Benchmark]: Toolchain (without parser) took 402903.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-10-26 23:41:45,878 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:41:45,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.96 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 935.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:41:45,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.48 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:41:45,879 INFO L168 Benchmark]: Boogie Preprocessor took 26.33 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:41:45,879 INFO L168 Benchmark]: RCFGBuilder took 13415.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:41:45,879 INFO L168 Benchmark]: CodeCheck took 389107.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -6.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:41:45,882 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000)Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000)Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.96 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 935.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.48 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.33 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 13415.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * CodeCheck took 389107.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -6.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...