./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_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_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/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 e16d2ad47f8069122c38404dcdf9504ef10df900 ...................................................................................................................................................................................................................................... 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_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/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 e16d2ad47f8069122c38404dcdf9504ef10df900 ..................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:33:49,157 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:33:49,158 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:33:49,167 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:33:49,167 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:33:49,168 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:33:49,169 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:33:49,170 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:33:49,171 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:33:49,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:33:49,173 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:33:49,173 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:33:49,174 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:33:49,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:33:49,175 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:33:49,176 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:33:49,177 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:33:49,178 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:33:49,180 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:33:49,181 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:33:49,182 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:33:49,183 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:33:49,185 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:33:49,185 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:33:49,185 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:33:49,186 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:33:49,187 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:33:49,187 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:33:49,188 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:33:49,189 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:33:49,190 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:33:49,190 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:33:49,190 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:33:49,190 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:33:49,191 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:33:49,192 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:33:49,192 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:33:49,203 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:33:49,203 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:33:49,204 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:33:49,204 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:33:49,205 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:33:49,205 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:33:49,205 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:33:49,205 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:33:49,205 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:33:49,206 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:33:49,206 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:33:49,206 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:33:49,206 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:33:49,206 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:33:49,206 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:33:49,206 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:33:49,207 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:33:49,207 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:33:49,207 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:33:49,207 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:33:49,207 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:33:49,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:33:49,207 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:33:49,208 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:33:49,208 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:33:49,208 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:33:49,208 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:33:49,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:33:49,210 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_98beb179-cb83-4476-a95c-2957a5aa5b53/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-10-26 21:33:49,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:33:49,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:33:49,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:33:49,252 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:33:49,252 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:33:49,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-10-26 21:33:49,297 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/data/10ae51722/7d8fa4adf4c5475b8e82138454fe1b61/FLAG05971c2a0 [2018-10-26 21:33:49,673 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:33:49,673 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-10-26 21:33:49,678 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/data/10ae51722/7d8fa4adf4c5475b8e82138454fe1b61/FLAG05971c2a0 [2018-10-26 21:33:49,690 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/data/10ae51722/7d8fa4adf4c5475b8e82138454fe1b61 [2018-10-26 21:33:49,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:33:49,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:33:49,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:33:49,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:33:49,698 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:33:49,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:33:49" (1/1) ... [2018-10-26 21:33:49,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a324d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49, skipping insertion in model container [2018-10-26 21:33:49,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:33:49" (1/1) ... [2018-10-26 21:33:49,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:33:49,725 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:33:49,848 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:33:49,850 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:33:49,868 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:33:49,885 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:33:49,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49 WrapperNode [2018-10-26 21:33:49,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:33:49,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:33:49,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:33:49,887 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:33:49,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49" (1/1) ... [2018-10-26 21:33:49,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49" (1/1) ... [2018-10-26 21:33:49,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:33:49,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:33:49,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:33:49,922 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:33:49,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49" (1/1) ... [2018-10-26 21:33:49,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49" (1/1) ... [2018-10-26 21:33:49,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49" (1/1) ... [2018-10-26 21:33:49,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49" (1/1) ... [2018-10-26 21:33:49,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49" (1/1) ... [2018-10-26 21:33:49,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49" (1/1) ... [2018-10-26 21:33:49,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49" (1/1) ... [2018-10-26 21:33:49,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:33:49,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:33:49,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:33:49,947 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:33:49,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:33:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 21:33:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-26 21:33:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 21:33:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 21:33:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:33:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:33:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 21:33:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 21:33:50,896 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:33:50,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:33:50 BoogieIcfgContainer [2018-10-26 21:33:50,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:33:50,897 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:33:50,897 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:33:50,907 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:33:50,907 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:33:50" (1/1) ... [2018-10-26 21:33:50,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:33:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:33:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-10-26 21:33:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-10-26 21:33:50,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 21:33:50,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:33:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:33:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:33:51,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:33:51,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-10-26 21:33:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-10-26 21:33:51,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 21:33:51,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:33:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:33:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:33:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:33:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:33:51,204 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 21:33:51,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:33:51 ImpRootNode [2018-10-26 21:33:51,241 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:33:51,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:33:51,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:33:51,242 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:33:51,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:33:50" (3/4) ... [2018-10-26 21:33:51,246 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:33:51,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:33:51,247 INFO L168 Benchmark]: Toolchain (without parser) took 1553.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 958.5 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:33:51,248 INFO L168 Benchmark]: CDTParser took 0.17 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 21:33:51,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.82 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 942.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:33:51,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.79 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:33:51,250 INFO L168 Benchmark]: Boogie Preprocessor took 24.56 ms. Allocated memory is still 1.0 GB. Free memory was 939.7 MB in the beginning and 937.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:33:51,250 INFO L168 Benchmark]: RCFGBuilder took 950.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:33:51,251 INFO L168 Benchmark]: CodeCheck took 344.60 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:33:51,251 INFO L168 Benchmark]: Witness Printer took 4.26 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 21:33:51,254 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 57 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 60 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 19, overapproximation of someUnaryFLOAToperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L62] float x = -0.0f; [L63] CALL, EXPR trunc_float(x) [L13] __int32_t signbit, w, exponent_less_127; [L15] FCALL ieee_float_shape_type gf_u; [L16] FCALL gf_u.value = (x) [L17] EXPR, FCALL gf_u.word [L17] (w) = gf_u.word [L18] COND FALSE !(0) [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L21] COND FALSE !(exponent_less_127 < 23) [L37] COND TRUE exponent_less_127 == 255 [L38] RET return x + x; [L63] EXPR trunc_float(x) [L63] float res = trunc_float(x); [L66] EXPR res == -0.0f && __signbit_float(res) == 1 [L66] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L67] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.82 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 942.4 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 34.79 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.56 ms. Allocated memory is still 1.0 GB. Free memory was 939.7 MB in the beginning and 937.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 950.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * CodeCheck took 344.60 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.26 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 21:33:53,073 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:33:53,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:33:53,083 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:33:53,083 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:33:53,084 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:33:53,085 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:33:53,087 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:33:53,088 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:33:53,089 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:33:53,090 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:33:53,090 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:33:53,091 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:33:53,092 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:33:53,092 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:33:53,093 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:33:53,094 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:33:53,095 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:33:53,097 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:33:53,098 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:33:53,099 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:33:53,100 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:33:53,102 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:33:53,102 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:33:53,102 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:33:53,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:33:53,103 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:33:53,104 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:33:53,105 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:33:53,106 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:33:53,106 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:33:53,107 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:33:53,107 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:33:53,107 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:33:53,108 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:33:53,108 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:33:53,109 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 21:33:53,120 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:33:53,120 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:33:53,121 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:33:53,121 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:33:53,122 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:33:53,122 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:33:53,122 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:33:53,122 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:33:53,122 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:33:53,122 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:33:53,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:33:53,123 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:33:53,123 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:33:53,123 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:33:53,123 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:33:53,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:33:53,123 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:33:53,123 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:33:53,124 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:33:53,124 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:33:53,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:33:53,124 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:33:53,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:33:53,126 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:33:53,126 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:33:53,126 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:33:53,126 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 21:33:53,127 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:33:53,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:33:53,127 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:33:53,127 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:33:53,127 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_98beb179-cb83-4476-a95c-2957a5aa5b53/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-10-26 21:33:53,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:33:53,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:33:53,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:33:53,172 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:33:53,173 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:33:53,173 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-10-26 21:33:53,214 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/data/e84613643/5f687b473c704240af3131c2f5862ef6/FLAG5bd8103b8 [2018-10-26 21:33:53,610 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:33:53,610 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-10-26 21:33:53,619 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/data/e84613643/5f687b473c704240af3131c2f5862ef6/FLAG5bd8103b8 [2018-10-26 21:33:53,628 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/data/e84613643/5f687b473c704240af3131c2f5862ef6 [2018-10-26 21:33:53,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:33:53,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:33:53,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:33:53,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:33:53,635 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:33:53,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:33:53" (1/1) ... [2018-10-26 21:33:53,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1563a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53, skipping insertion in model container [2018-10-26 21:33:53,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:33:53" (1/1) ... [2018-10-26 21:33:53,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:33:53,667 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:33:53,831 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:33:53,837 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:33:53,865 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:33:53,889 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:33:53,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53 WrapperNode [2018-10-26 21:33:53,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:33:53,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:33:53,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:33:53,891 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:33:53,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53" (1/1) ... [2018-10-26 21:33:53,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53" (1/1) ... [2018-10-26 21:33:53,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:33:53,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:33:53,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:33:53,930 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:33:53,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53" (1/1) ... [2018-10-26 21:33:53,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53" (1/1) ... [2018-10-26 21:33:53,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53" (1/1) ... [2018-10-26 21:33:53,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53" (1/1) ... [2018-10-26 21:33:53,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53" (1/1) ... [2018-10-26 21:33:53,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53" (1/1) ... [2018-10-26 21:33:53,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53" (1/1) ... [2018-10-26 21:33:53,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:33:53,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:33:53,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:33:53,975 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:33:53,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:33:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:33:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-10-26 21:33:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 21:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-26 21:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:33:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-26 21:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 21:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 21:33:54,240 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:33:54,281 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:33:54,512 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:33:54,517 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 21:33:55,046 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:33:55,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:33:55 BoogieIcfgContainer [2018-10-26 21:33:55,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:33:55,047 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:33:55,047 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:33:55,057 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:33:55,057 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:33:55" (1/1) ... [2018-10-26 21:33:55,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:33:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:33:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-10-26 21:33:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-10-26 21:33:55,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 21:33:55,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:33:55,148 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 21:33:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:33:55,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:33:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:33:55,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:33:55,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-10-26 21:33:55,216 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-10-26 21:33:55,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 21:33:55,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:33:55,218 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 21:33:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:33:55,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:33:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:33:55,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:33:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-10-26 21:33:55,745 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-10-26 21:33:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 21:33:55,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:33:55,746 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 21:33:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:33:55,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:33:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:33:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:33:56,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-10-26 21:33:56,729 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-10-26 21:33:56,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 21:33:56,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:33:56,730 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 21:33:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:33:56,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:33:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:33:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:33:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-10-26 21:33:57,509 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-10-26 21:33:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 21:33:57,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:33:57,510 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 21:33:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:33:57,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:33:57,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:33:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:33:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2018-10-26 21:33:58,840 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-10-26 21:33:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 21:33:58,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:33:58,842 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 21:33:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:33:58,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:33:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:33:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:33:58,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-10-26 21:33:58,865 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-10-26 21:33:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:33:58,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:33:58,867 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 21:33:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:33:58,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:33:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:34:01,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:34:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-10-26 21:34:01,025 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-10-26 21:34:01,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:34:01,025 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-10-26 21:34:01,032 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:34:01,101 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:34:01,103 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-10-26 21:34:01,108 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-10-26 21:34:01,108 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 21:34:01,109 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,112 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-10-26 21:34:01,112 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-10-26 21:34:01,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:34:01 ImpRootNode [2018-10-26 21:34:01,113 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:34:01,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:34:01,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:34:01,113 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:34:01,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:33:55" (3/4) ... [2018-10-26 21:34:01,121 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:34:01,131 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-10-26 21:34:01,133 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-10-26 21:34:01,133 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 21:34:01,134 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 21:34:01,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: signbit == ~bvand32(ULTIMATE.start_trunc_float_~w~0, 2147483648bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) [2018-10-26 21:34:01,163 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2018-10-26 21:34:01,202 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_98beb179-cb83-4476-a95c-2957a5aa5b53/bin-2019/ukojak/witness.graphml [2018-10-26 21:34:01,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:34:01,205 INFO L168 Benchmark]: Toolchain (without parser) took 7574.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -93.5 MB). Peak memory consumption was 127.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:34:01,206 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:34:01,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.17 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 21:34:01,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.00 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:34:01,213 INFO L168 Benchmark]: Boogie Preprocessor took 44.59 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:34:01,213 INFO L168 Benchmark]: RCFGBuilder took 1072.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:34:01,214 INFO L168 Benchmark]: CodeCheck took 6066.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.5 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:34:01,214 INFO L168 Benchmark]: Witness Printer took 91.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:34:01,216 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 57 locations, 1 error locations. SAFE Result, 5.9s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1116 SDtfs, 554 SDslu, 320 SDs, 0 SdLazy, 2314 SolverSat, 520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 705 GetRequests, 633 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1646 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 80 ConstructedInterpolants, 13 QuantifiedInterpolants, 4353 SizeOfPredicates, 30 NumberOfNonLiveVariables, 222 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 67]: 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: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 24]: Loop Invariant [2018-10-26 21:34:01,220 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,220 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,221 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,221 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,221 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,221 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,221 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-10-26 21:34:01,221 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: signbit == ~bvand32(ULTIMATE.start_trunc_float_~w~0, 2147483648bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 258.17 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 is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.59 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1072.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * CodeCheck took 6066.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.5 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. * Witness Printer took 91.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] RESULT: Ultimate proved your program to be correct! Received shutdown request...