./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0920a_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_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/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 68aa61f206da468fa7dcfce700dfa7d384c1ee8e .................................................................................................................................................................................................................................................................................... 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_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/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 68aa61f206da468fa7dcfce700dfa7d384c1ee8e ...................................................................................................................................................................................................... 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 19:12:42,306 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:12:42,308 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:12:42,317 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:12:42,318 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:12:42,319 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:12:42,320 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:12:42,321 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:12:42,323 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:12:42,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:12:42,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:12:42,324 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:12:42,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:12:42,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:12:42,327 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:12:42,328 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:12:42,329 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:12:42,330 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:12:42,332 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:12:42,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:12:42,334 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:12:42,335 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:12:42,337 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:12:42,337 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:12:42,337 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:12:42,338 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:12:42,339 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:12:42,340 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:12:42,340 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:12:42,341 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:12:42,342 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:12:42,342 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:12:42,343 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:12:42,343 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:12:42,344 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:12:42,344 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:12:42,345 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:12:42,356 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:12:42,356 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:12:42,357 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:12:42,357 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:12:42,357 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:12:42,357 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:12:42,357 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:12:42,358 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:12:42,358 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:12:42,358 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:12:42,358 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:12:42,358 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:12:42,359 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:12:42,359 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:12:42,360 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:12:42,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:12:42,360 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:12:42,360 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:12:42,360 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:12:42,360 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:12:42,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:12:42,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:12:42,361 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:12:42,361 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:12:42,361 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:12:42,361 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:12:42,361 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:12:42,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:12:42,362 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_8da7679d-31dd-4a49-8af8-b09fb9491293/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 -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2018-10-26 19:12:42,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:12:42,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:12:42,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:12:42,403 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:12:42,403 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:12:42,404 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-10-26 19:12:42,450 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/data/a255a0846/20dca9dd653c4c8785d5cc7854779155/FLAGc64477d67 [2018-10-26 19:12:42,807 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:12:42,808 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/sv-benchmarks/c/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-10-26 19:12:42,815 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/data/a255a0846/20dca9dd653c4c8785d5cc7854779155/FLAGc64477d67 [2018-10-26 19:12:42,828 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/data/a255a0846/20dca9dd653c4c8785d5cc7854779155 [2018-10-26 19:12:42,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:12:42,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:12:42,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:12:42,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:12:42,840 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:12:42,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:12:42" (1/1) ... [2018-10-26 19:12:42,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf504d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:42, skipping insertion in model container [2018-10-26 19:12:42,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:12:42" (1/1) ... [2018-10-26 19:12:42,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:12:42,877 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:12:43,020 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:12:43,023 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:12:43,064 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:12:43,084 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:12:43,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:43 WrapperNode [2018-10-26 19:12:43,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:12:43,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:12:43,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:12:43,086 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:12:43,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:43" (1/1) ... [2018-10-26 19:12:43,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:43" (1/1) ... [2018-10-26 19:12:43,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:12:43,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:12:43,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:12:43,131 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:12:43,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:43" (1/1) ... [2018-10-26 19:12:43,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:43" (1/1) ... [2018-10-26 19:12:43,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:43" (1/1) ... [2018-10-26 19:12:43,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:43" (1/1) ... [2018-10-26 19:12:43,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:43" (1/1) ... [2018-10-26 19:12:43,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:43" (1/1) ... [2018-10-26 19:12:43,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:43" (1/1) ... [2018-10-26 19:12:43,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:12:43,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:12:43,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:12:43,242 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:12:43,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/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 19:12:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 19:12:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 19:12:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 19:12:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:12:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:12:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 19:12:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 19:12:44,454 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:12:44,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:12:44 BoogieIcfgContainer [2018-10-26 19:12:44,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:12:44,455 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:12:44,455 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:12:44,465 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:12:44,465 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:12:44" (1/1) ... [2018-10-26 19:12:44,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:12:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:12:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-10-26 19:12:44,516 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-10-26 19:12:44,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:12:44,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:12:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:12:44,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:12:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:12:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2018-10-26 19:12:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2018-10-26 19:12:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:12:44,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:12:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:12:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:12:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:12:44,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2018-10-26 19:12:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2018-10-26 19:12:44,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 19:12:44,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:12:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:12:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:12:44,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:12:44,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2018-10-26 19:12:44,896 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2018-10-26 19:12:44,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 19:12:44,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:12:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:12:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:12:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:12:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:12:45,069 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2018-10-26 19:12:45,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:12:45 ImpRootNode [2018-10-26 19:12:45,105 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:12:45,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:12:45,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:12:45,106 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:12:45,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:12:44" (3/4) ... [2018-10-26 19:12:45,110 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 19:12:45,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:12:45,112 INFO L168 Benchmark]: Toolchain (without parser) took 2278.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 961.1 MB in the beginning and 1.1 GB in the end (delta: -104.5 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:12:45,114 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:12:45,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.25 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 947.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-10-26 19:12:45,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.91 ms. Allocated memory is still 1.0 GB. Free memory was 947.5 MB in the beginning and 944.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:12:45,118 INFO L168 Benchmark]: Boogie Preprocessor took 111.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 944.9 MB in the beginning and 1.2 GB in the end (delta: -212.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:12:45,119 INFO L168 Benchmark]: RCFGBuilder took 1212.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:12:45,119 INFO L168 Benchmark]: CodeCheck took 649.84 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-10-26 19:12:45,121 INFO L168 Benchmark]: Witness Printer took 4.66 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 19:12:45,124 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, 68 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 76 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 20 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 140]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of bitwiseAnd at line 43, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L24-L28] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L30] static const float zero_log = 0.0; [L132] float x = __VERIFIER_nondet_float(); [L134] EXPR x < 0 && isfinite_float(x) [L134] CALL, EXPR isfinite_float(x) [L115] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L117] FCALL ieee_float_shape_type gf_u; [L118] FCALL gf_u.value = (x) [L119] EXPR, FCALL gf_u.word [L119] (ix) = gf_u.word [L120] COND FALSE !(0) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L121] ix &= 0x7fffffff [L122] RET return (((ix) < 0x7f800000L)); [L134] EXPR isfinite_float(x) [L134] EXPR x < 0 && isfinite_float(x) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L134] COND TRUE (x < 0 && isfinite_float(x)) [L136] CALL, EXPR __ieee754_logf(x) [L33] float hfsq, f, s, z, R, w, t1, t2, dk; [L34] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L37] FCALL ieee_float_shape_type gf_u; [L38] FCALL gf_u.value = (x) [L39] EXPR, FCALL gf_u.word [L39] (ix) = gf_u.word [L40] COND FALSE !(0) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L42] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L43] COND TRUE ((ix & 0x7fffffff) == 0) [L44] RET return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L136] EXPR __ieee754_logf(x) [L136] float res = __ieee754_logf(x); [L139] CALL, EXPR isnan_float(res) [L111] RET return x != x; [L139] EXPR isnan_float(res) [L139] COND TRUE !isnan_float(res) [L140] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] * 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 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 248.25 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 947.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.91 ms. Allocated memory is still 1.0 GB. Free memory was 947.5 MB in the beginning and 944.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 944.9 MB in the beginning and 1.2 GB in the end (delta: -212.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1212.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. * CodeCheck took 649.84 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.66 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 19:12:47,047 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:12:47,048 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:12:47,061 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:12:47,061 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:12:47,062 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:12:47,063 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:12:47,064 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:12:47,065 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:12:47,066 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:12:47,067 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:12:47,067 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:12:47,068 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:12:47,069 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:12:47,070 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:12:47,071 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:12:47,071 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:12:47,073 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:12:47,074 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:12:47,076 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:12:47,077 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:12:47,078 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:12:47,080 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:12:47,080 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:12:47,080 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:12:47,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:12:47,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:12:47,083 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:12:47,084 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:12:47,085 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:12:47,085 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:12:47,085 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:12:47,086 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:12:47,086 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:12:47,087 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:12:47,088 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:12:47,088 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 19:12:47,100 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:12:47,100 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:12:47,101 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:12:47,101 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:12:47,101 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:12:47,102 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:12:47,102 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:12:47,102 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:12:47,102 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:12:47,103 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:12:47,103 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:12:47,103 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:12:47,103 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:12:47,104 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 19:12:47,104 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 19:12:47,104 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:12:47,104 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:12:47,104 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:12:47,104 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:12:47,104 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:12:47,105 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:12:47,105 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:12:47,105 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:12:47,105 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:12:47,105 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:12:47,105 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:12:47,105 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 19:12:47,106 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 19:12:47,106 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:12:47,106 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 19:12:47,106 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 19:12:47,106 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_8da7679d-31dd-4a49-8af8-b09fb9491293/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 -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2018-10-26 19:12:47,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:12:47,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:12:47,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:12:47,156 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:12:47,156 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:12:47,157 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-10-26 19:12:47,199 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/data/0c283ac80/87fd43781bce48e0b6a6c5d094987c3e/FLAG207479520 [2018-10-26 19:12:47,563 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:12:47,564 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/sv-benchmarks/c/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-10-26 19:12:47,570 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/data/0c283ac80/87fd43781bce48e0b6a6c5d094987c3e/FLAG207479520 [2018-10-26 19:12:47,580 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/bin-2019/ukojak/data/0c283ac80/87fd43781bce48e0b6a6c5d094987c3e [2018-10-26 19:12:47,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:12:47,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:12:47,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:12:47,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:12:47,589 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:12:47,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:12:47" (1/1) ... [2018-10-26 19:12:47,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf3c8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47, skipping insertion in model container [2018-10-26 19:12:47,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:12:47" (1/1) ... [2018-10-26 19:12:47,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:12:47,626 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:12:47,859 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:12:47,864 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:12:47,928 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:12:47,952 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:12:47,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47 WrapperNode [2018-10-26 19:12:47,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:12:47,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:12:47,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:12:47,953 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:12:47,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47" (1/1) ... [2018-10-26 19:12:47,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47" (1/1) ... [2018-10-26 19:12:47,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:12:47,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:12:47,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:12:47,992 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:12:48,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47" (1/1) ... [2018-10-26 19:12:48,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47" (1/1) ... [2018-10-26 19:12:48,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47" (1/1) ... [2018-10-26 19:12:48,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47" (1/1) ... [2018-10-26 19:12:48,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47" (1/1) ... [2018-10-26 19:12:48,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47" (1/1) ... [2018-10-26 19:12:48,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47" (1/1) ... [2018-10-26 19:12:48,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:12:48,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:12:48,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:12:48,044 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:12:48,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:12:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8da7679d-31dd-4a49-8af8-b09fb9491293/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 19:12:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 19:12:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-26 19:12:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:12:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:12:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-26 19:12:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 19:12:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 19:12:49,421 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:13:03,758 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:13:11,711 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:13:11,733 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:13:12,642 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:13:12,658 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:15:33,449 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000)Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1427) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1400) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 24 more [2018-10-26 19:15:33,453 INFO L168 Benchmark]: Toolchain (without parser) took 165869.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -110.4 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:33,455 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:15:33,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.57 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:33,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.00 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:33,457 INFO L168 Benchmark]: Boogie Preprocessor took 52.04 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:15:33,458 INFO L168 Benchmark]: RCFGBuilder took 165408.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-10-26 19:15:33,462 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.57 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 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 39.00 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.04 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 165408.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - 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.rcfgbuilder: 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) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...