./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/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 1990b587e642aad15e3e0c0d5b368810c379f55e .............................................................................................................................................................................................................................................................................. 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_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/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 1990b587e642aad15e3e0c0d5b368810c379f55e .............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:54:32,462 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:54:32,464 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:54:32,476 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:54:32,476 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:54:32,477 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:54:32,478 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:54:32,480 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:54:32,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:54:32,482 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:54:32,483 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:54:32,483 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:54:32,484 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:54:32,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:54:32,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:54:32,487 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:54:32,488 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:54:32,489 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:54:32,491 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:54:32,492 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:54:32,494 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:54:32,495 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:54:32,497 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:54:32,497 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:54:32,497 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:54:32,499 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:54:32,499 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:54:32,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:54:32,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:54:32,506 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:54:32,506 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:54:32,507 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:54:32,507 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:54:32,507 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:54:32,508 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:54:32,508 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:54:32,509 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:54:32,527 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:54:32,528 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:54:32,528 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:54:32,529 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:54:32,529 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:54:32,532 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:54:32,533 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:54:32,533 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:54:32,533 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:54:32,534 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:54:32,534 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:54:32,534 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:54:32,534 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:54:32,534 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:54:32,534 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:54:32,534 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:54:32,535 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:54:32,535 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:54:32,535 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:54:32,535 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:54:32,535 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:54:32,535 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:54:32,536 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:54:32,536 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:54:32,536 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:54:32,536 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:54:32,536 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:54:32,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:54:32,537 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_009b6d8b-041b-49af-8c34-dc08d8acb42e/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 -> 1990b587e642aad15e3e0c0d5b368810c379f55e [2018-10-26 21:54:32,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:54:32,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:54:32,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:54:32,596 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:54:32,596 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:54:32,597 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0681a_true-unreach-call.c [2018-10-26 21:54:32,654 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/data/7a6c7f269/53d7739393b4429e80c15e4589733843/FLAG3d7a378ed [2018-10-26 21:54:33,115 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:54:33,116 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/sv-benchmarks/c/float-newlib/float_req_bl_0681a_true-unreach-call.c [2018-10-26 21:54:33,125 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/data/7a6c7f269/53d7739393b4429e80c15e4589733843/FLAG3d7a378ed [2018-10-26 21:54:33,141 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/data/7a6c7f269/53d7739393b4429e80c15e4589733843 [2018-10-26 21:54:33,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:54:33,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:54:33,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:54:33,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:54:33,151 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:54:33,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:54:33" (1/1) ... [2018-10-26 21:54:33,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f36fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33, skipping insertion in model container [2018-10-26 21:54:33,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:54:33" (1/1) ... [2018-10-26 21:54:33,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:54:33,192 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:54:33,430 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:54:33,436 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:54:33,484 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:54:33,507 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:54:33,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33 WrapperNode [2018-10-26 21:54:33,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:54:33,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:54:33,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:54:33,509 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:54:33,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33" (1/1) ... [2018-10-26 21:54:33,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33" (1/1) ... [2018-10-26 21:54:33,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:54:33,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:54:33,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:54:33,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:54:33,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33" (1/1) ... [2018-10-26 21:54:33,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33" (1/1) ... [2018-10-26 21:54:33,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33" (1/1) ... [2018-10-26 21:54:33,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33" (1/1) ... [2018-10-26 21:54:33,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33" (1/1) ... [2018-10-26 21:54:33,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33" (1/1) ... [2018-10-26 21:54:33,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33" (1/1) ... [2018-10-26 21:54:33,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:54:33,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:54:33,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:54:33,710 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:54:33,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/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 21:54:33,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-10-26 21:54:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 21:54:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-26 21:54:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 21:54:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 21:54:33,763 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 21:54:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 21:54:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:54:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:54:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 21:54:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 21:54:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-10-26 21:54:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-10-26 21:54:36,389 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:54:36,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:36 BoogieIcfgContainer [2018-10-26 21:54:36,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:54:36,391 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:54:36,391 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:54:36,402 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:54:36,402 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:36" (1/1) ... [2018-10-26 21:54:36,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:54:36,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:36,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 71 states and 116 transitions. [2018-10-26 21:54:36,455 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 116 transitions. [2018-10-26 21:54:36,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 21:54:36,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:36,586 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 21:54:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:36,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 71 states and 111 transitions. [2018-10-26 21:54:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2018-10-26 21:54:36,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 21:54:36,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:54:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:54:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:54:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:54:36,868 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 21:54:36,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:54:36 ImpRootNode [2018-10-26 21:54:36,910 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:54:36,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:54:36,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:54:36,910 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:54:36,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:36" (3/4) ... [2018-10-26 21:54:36,916 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:54:36,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:54:36,917 INFO L168 Benchmark]: Toolchain (without parser) took 3772.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 961.8 MB in the beginning and 983.2 MB in the end (delta: -21.4 MB). Peak memory consumption was 132.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:36,919 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:54:36,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.22 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 945.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:36,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.77 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:36,921 INFO L168 Benchmark]: Boogie Preprocessor took 146.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -206.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:36,923 INFO L168 Benchmark]: RCFGBuilder took 2680.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 136.3 MB). Peak memory consumption was 136.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:36,923 INFO L168 Benchmark]: CodeCheck took 518.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 983.2 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:36,925 INFO L168 Benchmark]: Witness Printer took 6.22 ms. Allocated memory is still 1.2 GB. Free memory is still 983.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:54:36,928 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 3 procedures, 204 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 33 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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: 239]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 238, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someUnaryFLOAToperation at line 234, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] FCALL static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] FCALL static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] FCALL static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L47-L49] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L233] float x = 0.0f; [L234] float y = -0.0f; [L235] CALL, EXPR __ieee754_atan2f(y, x) [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L123] FCALL ieee_float_shape_type gf_u; [L124] FCALL gf_u.value = (x) [L125] EXPR, FCALL gf_u.word [L125] (hx) = gf_u.word [L126] COND FALSE !(0) VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L127] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L129] FCALL ieee_float_shape_type gf_u; [L130] FCALL gf_u.value = (y) [L131] EXPR, FCALL gf_u.word [L131] (hy) = gf_u.word [L132] COND FALSE !(0) VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L133] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] RET return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L235] EXPR __ieee754_atan2f(y, x) [L235] float res = __ieee754_atan2f(y, x); [L238] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L238] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L239] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.22 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 945.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.77 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 146.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -206.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2680.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 136.3 MB). Peak memory consumption was 136.3 MB. Max. memory is 11.5 GB. * CodeCheck took 518.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 983.2 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Witness Printer took 6.22 ms. Allocated memory is still 1.2 GB. Free memory is still 983.2 MB. 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 21:54:38,967 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:54:38,968 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:54:38,979 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:54:38,979 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:54:38,980 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:54:38,981 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:54:38,982 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:54:38,984 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:54:38,984 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:54:38,985 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:54:38,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:54:38,987 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:54:38,988 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:54:38,989 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:54:38,989 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:54:38,990 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:54:38,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:54:38,994 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:54:38,995 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:54:38,996 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:54:38,997 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:54:38,999 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:54:38,999 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:54:39,000 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:54:39,000 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:54:39,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:54:39,002 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:54:39,003 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:54:39,004 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:54:39,004 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:54:39,004 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:54:39,005 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:54:39,005 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:54:39,006 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:54:39,006 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:54:39,006 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 21:54:39,025 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:54:39,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:54:39,026 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:54:39,026 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:54:39,027 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:54:39,027 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:54:39,027 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:54:39,028 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:54:39,028 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:54:39,028 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:54:39,028 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:54:39,028 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:54:39,028 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:54:39,029 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:54:39,029 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:54:39,029 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:54:39,029 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:54:39,029 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:54:39,029 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:54:39,030 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:54:39,030 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:54:39,030 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:54:39,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:54:39,030 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:54:39,030 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:54:39,031 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:54:39,031 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 21:54:39,031 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:54:39,031 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:54:39,031 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:54:39,031 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:54:39,031 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_009b6d8b-041b-49af-8c34-dc08d8acb42e/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 -> 1990b587e642aad15e3e0c0d5b368810c379f55e [2018-10-26 21:54:39,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:54:39,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:54:39,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:54:39,092 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:54:39,092 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:54:39,093 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0681a_true-unreach-call.c [2018-10-26 21:54:39,140 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/data/7a6beb311/e5ab31bb5fa34a52a0ae41f60474a346/FLAGe9999a618 [2018-10-26 21:54:39,573 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:54:39,582 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/sv-benchmarks/c/float-newlib/float_req_bl_0681a_true-unreach-call.c [2018-10-26 21:54:39,597 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/data/7a6beb311/e5ab31bb5fa34a52a0ae41f60474a346/FLAGe9999a618 [2018-10-26 21:54:39,616 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/data/7a6beb311/e5ab31bb5fa34a52a0ae41f60474a346 [2018-10-26 21:54:39,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:54:39,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:54:39,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:54:39,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:54:39,631 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:54:39,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:54:39" (1/1) ... [2018-10-26 21:54:39,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64751b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:39, skipping insertion in model container [2018-10-26 21:54:39,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:54:39" (1/1) ... [2018-10-26 21:54:39,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:54:39,684 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:54:39,953 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:54:39,965 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:54:40,058 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:54:40,086 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:54:40,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:40 WrapperNode [2018-10-26 21:54:40,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:54:40,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:54:40,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:54:40,088 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:54:40,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:40" (1/1) ... [2018-10-26 21:54:40,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:40" (1/1) ... [2018-10-26 21:54:40,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:54:40,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:54:40,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:54:40,145 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:54:40,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:40" (1/1) ... [2018-10-26 21:54:40,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:40" (1/1) ... [2018-10-26 21:54:40,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:40" (1/1) ... [2018-10-26 21:54:40,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:40" (1/1) ... [2018-10-26 21:54:40,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:40" (1/1) ... [2018-10-26 21:54:40,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:40" (1/1) ... [2018-10-26 21:54:40,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:40" (1/1) ... [2018-10-26 21:54:40,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:54:40,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:54:40,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:54:40,190 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:54:40,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/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 21:54:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-10-26 21:54:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 21:54:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 21:54:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 21:54:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-26 21:54:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-10-26 21:54:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:54:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:54:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-26 21:54:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 21:54:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 21:54:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-10-26 21:54:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-10-26 21:54:40,625 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:40,682 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:40,874 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:40,889 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:40,968 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:40,978 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:40,989 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,003 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,080 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,085 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,089 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,097 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,190 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,201 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,206 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,212 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,224 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,229 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,242 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,247 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,274 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,285 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,299 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,374 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,390 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,416 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,420 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,478 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:54:41,486 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:55:00,508 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:55:00,513 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:59:12,528 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:59:12,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:59:12 BoogieIcfgContainer [2018-10-26 21:59:12,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:59:12,529 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:59:12,529 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:59:12,540 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:59:12,540 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:59:12" (1/1) ... [2018-10-26 21:59:12,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:59:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:59:12,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 71 states and 116 transitions. [2018-10-26 21:59:12,585 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 116 transitions. [2018-10-26 21:59:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 21:59:12,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:59:12,635 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:59:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:12,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:59:12,715 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 21:59:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:59:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 71 states and 111 transitions. [2018-10-26 21:59:12,732 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2018-10-26 21:59:12,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 21:59:12,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:59:12,734 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:59:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:12,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:59:13,292 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 21:59:14,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:59:14,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 110 transitions. [2018-10-26 21:59:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2018-10-26 21:59:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 21:59:14,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:59:14,397 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:59:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:14,458 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:59:14,616 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 21:59:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:59:14,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 71 states and 109 transitions. [2018-10-26 21:59:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2018-10-26 21:59:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 21:59:14,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:59:14,793 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:59:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:14,847 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:59:14,945 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 21:59:27,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:59:27,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 127 transitions. [2018-10-26 21:59:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 127 transitions. [2018-10-26 21:59:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:59:27,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:59:27,931 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:59:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:27,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:59:28,382 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 21:59:30,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:59:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 73 states and 125 transitions. [2018-10-26 21:59:30,704 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 125 transitions. [2018-10-26 21:59:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 21:59:30,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:59:30,706 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:59:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:30,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:59:30,731 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 21:59:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:59:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 73 states and 123 transitions. [2018-10-26 21:59:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 123 transitions. [2018-10-26 21:59:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 21:59:30,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:59:30,737 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:59:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:30,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:59:31,337 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 21:59:37,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:59:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 116 transitions. [2018-10-26 21:59:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 116 transitions. [2018-10-26 21:59:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 21:59:37,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:59:37,424 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:59:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:37,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:59:38,025 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 21:59:39,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:59:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 76 states and 121 transitions. [2018-10-26 21:59:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 121 transitions. [2018-10-26 21:59:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 21:59:39,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:59:39,128 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:59:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:59:39,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:59:40,592 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 21:59:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:59:45,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2018-10-26 21:59:45,382 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-10-26 21:59:45,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:59:45,383 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-10-26 21:59:45,393 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:59:45,576 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 21:59:45,586 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:59:45,586 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-10-26 21:59:45,587 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-10-26 21:59:45,588 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 21:59:45,588 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-10-26 21:59:45,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:59:45 ImpRootNode [2018-10-26 21:59:45,589 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:59:45,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:59:45,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:59:45,590 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:59:45,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:59:12" (3/4) ... [2018-10-26 21:59:45,596 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:59:45,603 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-10-26 21:59:45,604 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-10-26 21:59:45,616 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-26 21:59:45,619 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-10-26 21:59:45,620 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-10-26 21:59:45,621 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 21:59:45,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2018-10-26 21:59:45,742 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_009b6d8b-041b-49af-8c34-dc08d8acb42e/bin-2019/ukojak/witness.graphml [2018-10-26 21:59:45,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:59:45,743 INFO L168 Benchmark]: Toolchain (without parser) took 306121.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 950.6 MB in the beginning and 946.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 158.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:45,745 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 21:59:45,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 929.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:45,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.27 ms. Allocated memory is still 1.0 GB. Free memory is still 929.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:59:45,745 INFO L168 Benchmark]: Boogie Preprocessor took 44.06 ms. Allocated memory is still 1.0 GB. Free memory was 929.1 MB in the beginning and 923.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:45,746 INFO L168 Benchmark]: RCFGBuilder took 272339.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 923.7 MB in the beginning and 953.5 MB in the end (delta: -29.7 MB). Peak memory consumption was 153.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:45,746 INFO L168 Benchmark]: CodeCheck took 33059.60 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -14.7 MB). Free memory was 953.5 MB in the beginning and 959.3 MB in the end (delta: -5.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:59:45,746 INFO L168 Benchmark]: Witness Printer took 153.27 ms. Allocated memory is still 1.2 GB. Free memory was 959.3 MB in the beginning and 946.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:59:45,748 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 3 procedures, 204 locations, 1 error locations. SAFE Result, 32.8s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10600 SDtfs, 2438 SDslu, 1832 SDs, 0 SdLazy, 11642 SolverSat, 2872 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 78.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1397 GetRequests, 1267 SyntacticMatches, 8 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 5822 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 129 ConstructedInterpolants, 14 QuantifiedInterpolants, 13472 SizeOfPredicates, 57 NumberOfNonLiveVariables, 729 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 - PositiveResult [Line: 239]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (ix == ~bvand32(hx, 2147483647bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) * 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 463.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 929.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.27 ms. Allocated memory is still 1.0 GB. Free memory is still 929.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.06 ms. Allocated memory is still 1.0 GB. Free memory was 929.1 MB in the beginning and 923.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 272339.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 923.7 MB in the beginning and 953.5 MB in the end (delta: -29.7 MB). Peak memory consumption was 153.9 MB. Max. memory is 11.5 GB. * CodeCheck took 33059.60 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -14.7 MB). Free memory was 953.5 MB in the beginning and 959.3 MB in the end (delta: -5.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 153.27 ms. Allocated memory is still 1.2 GB. Free memory was 959.3 MB in the beginning and 946.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request...