./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/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 70ee165c745ab937eeca69bc762f66bcb3efe6fa ................................................................................................................................................................................................................................... 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_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/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 70ee165c745ab937eeca69bc762f66bcb3efe6fa ............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 19:24:08,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:24:08,570 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:24:08,576 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:24:08,576 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:24:08,577 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:24:08,577 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:24:08,578 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:24:08,579 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:24:08,579 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:24:08,580 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:24:08,580 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:24:08,580 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:24:08,581 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:24:08,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:24:08,581 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:24:08,582 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:24:08,583 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:24:08,584 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:24:08,584 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:24:08,585 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:24:08,585 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:24:08,587 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:24:08,587 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:24:08,587 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:24:08,587 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:24:08,588 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:24:08,588 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:24:08,589 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:24:08,589 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:24:08,589 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:24:08,589 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:24:08,590 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:24:08,590 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:24:08,590 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:24:08,591 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:24:08,591 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 19:24:08,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:24:08,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:24:08,598 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:24:08,599 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 19:24:08,599 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:24:08,599 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:24:08,599 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:24:08,599 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:24:08,599 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:24:08,599 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:24:08,599 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:24:08,600 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:24:08,600 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:24:08,600 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:24:08,600 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:24:08,600 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:24:08,600 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:24:08,600 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:24:08,600 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 19:24:08,600 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 19:24:08,600 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:24:08,600 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:24:08,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:24:08,601 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:24:08,601 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:24:08,601 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:24:08,601 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 19:24:08,601 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:24:08,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 19:24:08,601 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_7602053a-73a2-478f-932c-d3836af42385/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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-12-01 19:24:08,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:24:08,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:24:08,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:24:08,628 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:24:08,628 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:24:08,628 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-12-01 19:24:08,673 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/data/be1e8a298/536c8ab5d34043348ae3036f8f9dfca3/FLAGf473e25fc [2018-12-01 19:24:09,056 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:24:09,056 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-12-01 19:24:09,060 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/data/be1e8a298/536c8ab5d34043348ae3036f8f9dfca3/FLAGf473e25fc [2018-12-01 19:24:09,068 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/data/be1e8a298/536c8ab5d34043348ae3036f8f9dfca3 [2018-12-01 19:24:09,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:24:09,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:24:09,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:24:09,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:24:09,073 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:24:09,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ed00b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09, skipping insertion in model container [2018-12-01 19:24:09,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:24:09,088 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:24:09,175 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:24:09,177 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:24:09,189 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:24:09,200 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:24:09,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09 WrapperNode [2018-12-01 19:24:09,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:24:09,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:24:09,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:24:09,201 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:24:09,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:24:09,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:24:09,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:24:09,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:24:09,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:24:09,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:24:09,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:24:09,271 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:24:09,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/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 [2018-12-01 19:24:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-01 19:24:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 19:24:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-01 19:24:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 19:24:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:24:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:24:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 19:24:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 19:24:09,439 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:24:09,440 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-01 19:24:09,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:24:09 BoogieIcfgContainer [2018-12-01 19:24:09,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:24:09,440 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 19:24:09,440 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 19:24:09,447 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 19:24:09,447 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:24:09" (1/1) ... [2018-12-01 19:24:09,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:24:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:24:09,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-12-01 19:24:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-12-01 19:24:09,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 19:24:09,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:24:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:24:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:24:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:24:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-12-01 19:24:09,546 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-12-01 19:24:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 19:24:09,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:24:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:24:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:24:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:24:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:24:09,616 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-01 19:24:09,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:24:09 ImpRootNode [2018-12-01 19:24:09,631 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 19:24:09,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:24:09,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:24:09,632 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:24:09,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:24:09" (3/4) ... [2018-12-01 19:24:09,634 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 19:24:09,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:24:09,635 INFO L168 Benchmark]: Toolchain (without parser) took 564.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:09,636 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:24:09,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.23 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:09,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.15 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:09,637 INFO L168 Benchmark]: Boogie Preprocessor took 47.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:09,637 INFO L168 Benchmark]: RCFGBuilder took 169.31 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:09,638 INFO L168 Benchmark]: CodeCheck took 191.09 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:09,638 INFO L168 Benchmark]: Witness Printer took 2.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:24:09,640 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, 15 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 39 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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: 40]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L35] float x = 0.0f / 0.0f; [L15] __uint32_t ix; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (ix) = gf_u.word [L22] ieee_float_shape_type sf_u; [L23] sf_u.word = (ix & 0x7fffffff) [L24] EXPR sf_u.value [L24] (x) = sf_u.value [L26] return x; [L36] float res = fabs_float(x); [L12] return x != x; [L39] COND TRUE !isnan_float(res) [L40] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.23 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 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 21.15 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 169.31 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * CodeCheck took 191.09 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-01 19:24:10,978 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:24:10,979 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:24:10,985 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:24:10,985 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:24:10,986 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:24:10,987 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:24:10,987 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:24:10,988 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:24:10,989 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:24:10,989 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:24:10,989 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:24:10,990 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:24:10,990 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:24:10,991 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:24:10,991 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:24:10,992 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:24:10,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:24:10,993 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:24:10,994 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:24:10,995 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:24:10,995 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:24:10,996 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:24:10,997 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:24:10,997 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:24:10,997 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:24:10,998 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:24:10,998 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:24:10,999 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:24:10,999 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:24:10,999 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:24:11,000 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:24:11,000 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:24:11,000 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:24:11,001 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:24:11,001 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:24:11,001 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-01 19:24:11,008 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:24:11,008 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:24:11,009 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:24:11,009 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 19:24:11,009 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:24:11,010 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:24:11,010 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:24:11,010 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:24:11,010 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:24:11,010 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:24:11,010 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:24:11,010 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:24:11,011 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:24:11,011 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 19:24:11,011 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 19:24:11,011 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:24:11,011 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:24:11,011 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:24:11,011 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:24:11,011 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 19:24:11,012 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 19:24:11,012 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:24:11,012 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:24:11,012 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:24:11,012 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:24:11,012 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:24:11,012 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:24:11,012 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-01 19:24:11,013 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-01 19:24:11,013 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:24:11,013 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 19:24:11,013 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 19:24:11,013 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_7602053a-73a2-478f-932c-d3836af42385/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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-12-01 19:24:11,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:24:11,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:24:11,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:24:11,046 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:24:11,046 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:24:11,046 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-12-01 19:24:11,085 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/data/e71691ae6/b0c608e43cab4e1184a95b40354cef3b/FLAG818efb422 [2018-12-01 19:24:11,405 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:24:11,405 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-12-01 19:24:11,409 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/data/e71691ae6/b0c608e43cab4e1184a95b40354cef3b/FLAG818efb422 [2018-12-01 19:24:11,416 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/data/e71691ae6/b0c608e43cab4e1184a95b40354cef3b [2018-12-01 19:24:11,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:24:11,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:24:11,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:24:11,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:24:11,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:24:11,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1e8136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11, skipping insertion in model container [2018-12-01 19:24:11,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:24:11,437 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:24:11,524 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:24:11,527 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:24:11,540 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:24:11,555 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:24:11,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11 WrapperNode [2018-12-01 19:24:11,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:24:11,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:24:11,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:24:11,556 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:24:11,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:24:11,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:24:11,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:24:11,578 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:24:11,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:24:11,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:24:11,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:24:11,596 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:24:11,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:24:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/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 [2018-12-01 19:24:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-01 19:24:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 19:24:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 19:24:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:24:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:24:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-01 19:24:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 19:24:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 19:24:11,748 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 19:24:11,782 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:24:11,782 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-01 19:24:11,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:24:11 BoogieIcfgContainer [2018-12-01 19:24:11,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:24:11,783 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 19:24:11,783 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 19:24:11,789 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 19:24:11,790 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:24:11" (1/1) ... [2018-12-01 19:24:11,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:24:11,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:24:11,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-12-01 19:24:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-12-01 19:24:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 19:24:11,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:24:11,852 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 19:24:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:24:11,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:24:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:24:11,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:24:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-12-01 19:24:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-12-01 19:24:11,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 19:24:11,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:24:11,881 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 19:24:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:24:11,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:24:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:24:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:24:12,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-12-01 19:24:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-12-01 19:24:12,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 19:24:12,046 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-12-01 19:24:12,052 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 19:24:12,065 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 19:24:12,066 INFO L583 CodeCheckObserver]: Invariant with dag size 5 [2018-12-01 19:24:12,069 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-01 19:24:12,071 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-01 19:24:12,071 INFO L583 CodeCheckObserver]: Invariant with dag size 5 [2018-12-01 19:24:12,071 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-01 19:24:12,072 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-01 19:24:12,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:24:12 ImpRootNode [2018-12-01 19:24:12,072 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 19:24:12,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:24:12,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:24:12,072 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:24:12,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:24:11" (3/4) ... [2018-12-01 19:24:12,075 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 19:24:12,080 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 19:24:12,081 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 19:24:12,081 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 19:24:12,105 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7602053a-73a2-478f-932c-d3836af42385/bin-2019/ukojak/witness.graphml [2018-12-01 19:24:12,105 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:24:12,105 INFO L168 Benchmark]: Toolchain (without parser) took 686.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:12,106 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:24:12,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.58 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:12,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.28 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:12,107 INFO L168 Benchmark]: Boogie Preprocessor took 17.06 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:24:12,108 INFO L168 Benchmark]: RCFGBuilder took 187.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:12,108 INFO L168 Benchmark]: CodeCheck took 288.85 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:12,108 INFO L168 Benchmark]: Witness Printer took 32.76 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-01 19:24:12,111 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, 15 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 8 SDslu, 8 SDs, 0 SdLazy, 32 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 89 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 10 NumberOfNonLiveVariables, 51 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: 40]: 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: 29]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant [2018-12-01 19:24:12,111 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-01 19:24:12,112 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant [2018-12-01 19:24:12,112 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-01 19:24:12,112 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.58 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 22.28 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.06 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 187.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 288.85 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Witness Printer took 32.76 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: 13.6 MB). Peak memory consumption was 13.6 MB. 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 ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! Received shutdown request...