./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1381_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_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/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 c91754c7d707a58127a2dc4a18babac51d557647 .................................................................................................................................................................................................................................................... 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_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/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 c91754c7d707a58127a2dc4a18babac51d557647 .............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:12:18,585 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:12:18,586 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:12:18,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:12:18,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:12:18,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:12:18,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:12:18,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:12:18,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:12:18,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:12:18,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:12:18,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:12:18,598 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:12:18,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:12:18,599 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:12:18,599 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:12:18,600 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:12:18,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:12:18,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:12:18,603 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:12:18,604 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:12:18,604 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:12:18,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:12:18,606 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:12:18,606 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:12:18,607 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:12:18,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:12:18,608 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:12:18,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:12:18,609 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:12:18,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:12:18,610 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:12:18,610 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:12:18,610 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:12:18,611 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:12:18,611 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:12:18,611 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:12:18,619 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:12:18,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:12:18,620 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:12:18,620 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:12:18,620 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:12:18,620 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:12:18,621 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:12:18,621 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:12:18,621 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:12:18,621 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:12:18,621 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:12:18,621 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:12:18,621 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:12:18,622 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:12:18,622 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:12:18,622 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:12:18,622 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:12:18,622 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:12:18,622 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:12:18,622 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:12:18,623 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:12:18,623 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:12:18,623 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:12:18,623 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:12:18,623 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:12:18,623 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:12:18,623 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:12:18,623 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:12:18,624 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_0f3f53da-c9bc-44d5-89f8-2924141cea7d/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 -> c91754c7d707a58127a2dc4a18babac51d557647 [2018-11-10 04:12:18,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:12:18,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:12:18,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:12:18,660 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:12:18,660 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:12:18,661 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-11-10 04:12:18,707 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/data/51f03d6b6/7d2917c40b3a405e9829660dba7682f4/FLAG50912f710 [2018-11-10 04:12:19,125 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:12:19,125 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-11-10 04:12:19,130 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/data/51f03d6b6/7d2917c40b3a405e9829660dba7682f4/FLAG50912f710 [2018-11-10 04:12:19,139 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/data/51f03d6b6/7d2917c40b3a405e9829660dba7682f4 [2018-11-10 04:12:19,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:12:19,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:12:19,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:12:19,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:12:19,146 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:12:19,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5ab32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19, skipping insertion in model container [2018-11-10 04:12:19,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:12:19,174 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:12:19,285 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:12:19,287 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:12:19,300 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:12:19,312 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:12:19,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19 WrapperNode [2018-11-10 04:12:19,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:12:19,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:12:19,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:12:19,313 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:12:19,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:12:19,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:12:19,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:12:19,336 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:12:19,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:12:19,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:12:19,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:12:19,351 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:12:19,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/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 [2018-11-10 04:12:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 04:12:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 04:12:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 04:12:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:12:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:12:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 04:12:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 04:12:19,742 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:12:19,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:12:19 BoogieIcfgContainer [2018-11-10 04:12:19,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:12:19,743 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:12:19,743 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:12:19,749 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:12:19,750 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:12:19" (1/1) ... [2018-11-10 04:12:19,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:12:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:12:19,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-11-10 04:12:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-11-10 04:12:19,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:12:19,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:12:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:12:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:12:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:12:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2018-11-10 04:12:19,859 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2018-11-10 04:12:19,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:12:19,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:12:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:12:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:12:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:12:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:12:19,946 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 04:12:19,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:12:19 ImpRootNode [2018-11-10 04:12:19,969 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:12:19,970 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:12:19,970 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:12:19,970 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:12:19,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:12:19" (3/4) ... [2018-11-10 04:12:19,973 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:12:19,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:12:19,974 INFO L168 Benchmark]: Toolchain (without parser) took 832.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -115.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:12:19,976 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:12:19,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.16 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:12:19,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.23 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:12:19,977 INFO L168 Benchmark]: Boogie Preprocessor took 14.70 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:12:19,977 INFO L168 Benchmark]: RCFGBuilder took 392.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:12:19,978 INFO L168 Benchmark]: CodeCheck took 226.33 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:12:19,978 INFO L168 Benchmark]: Witness Printer took 3.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:12:19,981 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, 40 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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: 49]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 33, overapproximation of bitwiseOr at line 26, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L43] float x = 0.0f / 0.0f; [L44] float y = __VERIFIER_nondet_float(); [L45] CALL, EXPR copysign_float(x, y) [L13] __uint32_t ix, iy; [L15] FCALL ieee_float_shape_type gf_u; [L16] FCALL gf_u.value = (x) [L17] EXPR, FCALL gf_u.word [L17] (ix) = gf_u.word [L18] COND FALSE !(0) [L20] FCALL ieee_float_shape_type gf_u; [L21] FCALL gf_u.value = (y) [L22] EXPR, FCALL gf_u.word [L22] (iy) = gf_u.word [L23] COND FALSE !(0) [L25] FCALL ieee_float_shape_type sf_u; [L26] FCALL sf_u.word = ((ix & 0x7fffffff) | (iy & 0x80000000)) [L27] CALL, EXPR sf_u.value [L27] RET, EXPR sf_u.value [L27] (x) = sf_u.value [L28] COND FALSE !(0) [L29] RET return x; [L45] EXPR copysign_float(x, y) [L45] float res = copysign_float(x, y); [L48] CALL, EXPR isnan_float(res) [L33] RET return x != x; [L48] EXPR isnan_float(res) [L48] COND TRUE !isnan_float(res) [L49] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.16 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.23 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.70 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 392.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * CodeCheck took 226.33 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.98 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 [2018-11-10 04:12:21,353 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:12:21,354 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:12:21,361 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:12:21,361 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:12:21,362 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:12:21,363 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:12:21,364 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:12:21,365 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:12:21,365 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:12:21,366 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:12:21,366 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:12:21,367 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:12:21,368 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:12:21,369 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:12:21,369 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:12:21,370 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:12:21,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:12:21,372 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:12:21,373 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:12:21,374 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:12:21,375 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:12:21,377 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:12:21,377 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:12:21,377 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:12:21,378 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:12:21,379 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:12:21,379 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:12:21,380 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:12:21,381 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:12:21,381 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:12:21,381 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:12:21,382 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:12:21,382 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:12:21,382 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:12:21,383 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:12:21,383 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 04:12:21,393 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:12:21,394 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:12:21,394 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:12:21,394 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:12:21,395 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:12:21,395 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:12:21,395 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:12:21,395 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:12:21,395 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:12:21,395 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:12:21,396 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:12:21,396 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:12:21,396 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:12:21,396 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:12:21,396 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:12:21,396 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:12:21,396 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:12:21,396 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:12:21,396 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:12:21,397 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:12:21,397 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:12:21,397 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:12:21,397 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:12:21,397 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:12:21,397 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:12:21,397 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:12:21,397 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 04:12:21,397 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 04:12:21,397 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:12:21,398 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:12:21,398 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:12:21,398 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_0f3f53da-c9bc-44d5-89f8-2924141cea7d/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 -> c91754c7d707a58127a2dc4a18babac51d557647 [2018-11-10 04:12:21,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:12:21,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:12:21,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:12:21,435 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:12:21,435 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:12:21,436 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-11-10 04:12:21,470 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/data/9bb042e2d/d8e5815595084d4882184339c7b4af66/FLAGe0be9502e [2018-11-10 04:12:21,864 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:12:21,864 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-11-10 04:12:21,868 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/data/9bb042e2d/d8e5815595084d4882184339c7b4af66/FLAGe0be9502e [2018-11-10 04:12:21,876 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/data/9bb042e2d/d8e5815595084d4882184339c7b4af66 [2018-11-10 04:12:21,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:12:21,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:12:21,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:12:21,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:12:21,882 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:12:21,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:12:21" (1/1) ... [2018-11-10 04:12:21,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24051e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:21, skipping insertion in model container [2018-11-10 04:12:21,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:12:21" (1/1) ... [2018-11-10 04:12:21,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:12:21,905 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:12:22,030 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:12:22,033 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:12:22,048 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:12:22,063 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:12:22,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:22 WrapperNode [2018-11-10 04:12:22,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:12:22,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:12:22,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:12:22,064 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:12:22,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:22" (1/1) ... [2018-11-10 04:12:22,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:22" (1/1) ... [2018-11-10 04:12:22,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:12:22,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:12:22,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:12:22,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:12:22,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:22" (1/1) ... [2018-11-10 04:12:22,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:22" (1/1) ... [2018-11-10 04:12:22,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:22" (1/1) ... [2018-11-10 04:12:22,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:22" (1/1) ... [2018-11-10 04:12:22,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:22" (1/1) ... [2018-11-10 04:12:22,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:22" (1/1) ... [2018-11-10 04:12:22,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:22" (1/1) ... [2018-11-10 04:12:22,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:12:22,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:12:22,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:12:22,112 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:12:22,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/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 [2018-11-10 04:12:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 04:12:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 04:12:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:12:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:12:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 04:12:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 04:12:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 04:12:22,303 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:12:22,311 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:12:22,328 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:12:22,337 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:12:22,555 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:12:22,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:12:22 BoogieIcfgContainer [2018-11-10 04:12:22,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:12:22,556 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:12:22,556 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:12:22,565 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:12:22,565 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:12:22" (1/1) ... [2018-11-10 04:12:22,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:12:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:12:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-11-10 04:12:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-11-10 04:12:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:12:22,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:12:22,652 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:12:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:12:22,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:12:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:12:22,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:12:22,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2018-11-10 04:12:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2018-11-10 04:12:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:12:22,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:12:22,691 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:12:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:12:22,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:12:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:12:22,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:12:22,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-11-10 04:12:22,852 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-10 04:12:22,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:12:22,852 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-10 04:12:22,861 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 04:12:22,895 INFO L582 CodeCheckObserver]: Invariant with dag size 5 [2018-11-10 04:12:22,900 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 04:12:22,904 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 04:12:22,904 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:12:22,905 INFO L582 CodeCheckObserver]: Invariant with dag size 5 [2018-11-10 04:12:22,905 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 04:12:22,905 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 04:12:22,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:12:22 ImpRootNode [2018-11-10 04:12:22,906 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:12:22,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:12:22,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:12:22,906 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:12:22,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:12:22" (3/4) ... [2018-11-10 04:12:22,910 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:12:22,919 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-10 04:12:22,920 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 04:12:22,920 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 04:12:22,920 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:12:22,959 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0f3f53da-c9bc-44d5-89f8-2924141cea7d/bin-2019/ukojak/witness.graphml [2018-11-10 04:12:22,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:12:22,960 INFO L168 Benchmark]: Toolchain (without parser) took 1081.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -131.2 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:12:22,961 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:12:22,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.93 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:12:22,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.76 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:12:22,962 INFO L168 Benchmark]: Boogie Preprocessor took 21.00 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:12:22,962 INFO L168 Benchmark]: RCFGBuilder took 443.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:12:22,963 INFO L168 Benchmark]: CodeCheck took 350.10 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: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:12:22,963 INFO L168 Benchmark]: Witness Printer took 53.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:12:22,965 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, 40 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 38 SDtfs, 16 SDslu, 16 SDs, 0 SdLazy, 32 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 6 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 666 SizeOfPredicates, 14 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 49]: 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: 24]: Loop Invariant [2018-11-10 04:12:22,966 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 04:12:22,966 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ~fp.div~FLOAT(RoundingMode_RNE, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant [2018-11-10 04:12:22,967 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 04:12:22,967 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ~fp.div~FLOAT(RoundingMode_RNE, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.93 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.76 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.00 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 443.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * CodeCheck took 350.10 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: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Witness Printer took 53.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE RESULT: Ultimate proved your program to be correct! Received shutdown request...