./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b_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_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/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 2fc40f01120ca51e77cbf79a7824b0aac7011828 ...................................................................................................................................................................................................................................... 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_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/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 2fc40f01120ca51e77cbf79a7824b0aac7011828 ............................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 09:54:16,318 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:54:16,319 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:54:16,326 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:54:16,326 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:54:16,327 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:54:16,328 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:54:16,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:54:16,330 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:54:16,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:54:16,331 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:54:16,331 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:54:16,331 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:54:16,332 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:54:16,333 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:54:16,333 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:54:16,334 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:54:16,335 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:54:16,336 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:54:16,337 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:54:16,338 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:54:16,339 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:54:16,340 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:54:16,340 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:54:16,341 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:54:16,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:54:16,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:54:16,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:54:16,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:54:16,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:54:16,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:54:16,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:54:16,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:54:16,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:54:16,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:54:16,345 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:54:16,346 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 09:54:16,356 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:54:16,356 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:54:16,357 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 09:54:16,357 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 09:54:16,357 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 09:54:16,358 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 09:54:16,358 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:54:16,358 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:54:16,358 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 09:54:16,358 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:54:16,358 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:54:16,358 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 09:54:16,358 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 09:54:16,358 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 09:54:16,358 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:54:16,359 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:54:16,359 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 09:54:16,359 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 09:54:16,359 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 09:54:16,359 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 09:54:16,359 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:54:16,359 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 09:54:16,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 09:54:16,360 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:54:16,360 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 09:54:16,360 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 09:54:16,360 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 09:54:16,360 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 09:54:16,360 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 09:54:16,360 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_6d5cfa36-7efe-4db0-a60e-6aebff217f77/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 -> 2fc40f01120ca51e77cbf79a7824b0aac7011828 [2018-12-02 09:54:16,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:54:16,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:54:16,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:54:16,391 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:54:16,391 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:54:16,391 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b_true-unreach-call.c [2018-12-02 09:54:16,425 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/data/3eb9f720d/0f56820029db45eb98f519896a1eda57/FLAG6c1b2a106 [2018-12-02 09:54:16,756 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:54:16,756 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/sv-benchmarks/c/float-newlib/double_req_bl_1032b_true-unreach-call.c [2018-12-02 09:54:16,760 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/data/3eb9f720d/0f56820029db45eb98f519896a1eda57/FLAG6c1b2a106 [2018-12-02 09:54:17,154 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/data/3eb9f720d/0f56820029db45eb98f519896a1eda57 [2018-12-02 09:54:17,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:54:17,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:54:17,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:54:17,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:54:17,160 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:54:17,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707ef703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17, skipping insertion in model container [2018-12-02 09:54:17,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:54:17,180 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:54:17,290 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:54:17,292 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:54:17,316 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:54:17,329 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:54:17,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17 WrapperNode [2018-12-02 09:54:17,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:54:17,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:54:17,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:54:17,330 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:54:17,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:54:17,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:54:17,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:54:17,388 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:54:17,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:54:17,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:54:17,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:54:17,405 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:54:17,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/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 [2018-12-02 09:54:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 09:54:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 09:54:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 09:54:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 09:54:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:54:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:54:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 09:54:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 09:54:17,614 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:54:17,614 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 09:54:17,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:54:17 BoogieIcfgContainer [2018-12-02 09:54:17,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:54:17,615 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 09:54:17,615 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 09:54:17,622 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 09:54:17,622 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:54:17" (1/1) ... [2018-12-02 09:54:17,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:54:17,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:54:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-12-02 09:54:17,650 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-12-02 09:54:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 09:54:17,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:54:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:54:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:54:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:54:17,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-12-02 09:54:17,712 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-12-02 09:54:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 09:54:17,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:54:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:54:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:54:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:54:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:54:17,781 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-02 09:54:17,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:54:17 ImpRootNode [2018-12-02 09:54:17,797 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 09:54:17,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 09:54:17,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 09:54:17,798 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 09:54:17,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:54:17" (3/4) ... [2018-12-02 09:54:17,800 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 09:54:17,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 09:54:17,801 INFO L168 Benchmark]: Toolchain (without parser) took 644.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -89.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-12-02 09:54:17,802 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:54:17,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.89 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:54:17,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:54:17,803 INFO L168 Benchmark]: Boogie Preprocessor took 16.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:54:17,804 INFO L168 Benchmark]: RCFGBuilder took 210.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-12-02 09:54:17,804 INFO L168 Benchmark]: CodeCheck took 182.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-12-02 09:54:17,804 INFO L168 Benchmark]: Witness Printer took 2.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:54:17,806 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, 30 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 64 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: 91]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 86, overapproximation of bitwiseAnd at line 26, overapproximation of someBinaryArithmeticDOUBLEoperation at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 90. Possible FailurePath: [L86] double x = -0.0; [L18] __int32_t msw, exponent_less_1023; [L19] __uint32_t lsw; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L26] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L27] COND FALSE !(exponent_less_1023 < 20) [L41] COND TRUE exponent_less_1023 > 51 [L42] COND FALSE !(exponent_less_1023 == 1024) [L45] return x; [L87] double res = round_double(x); [L90] EXPR res == -0.0 && __signbit_double(res) == 1 [L90] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L91] __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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.89 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 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 57.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 210.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * CodeCheck took 182.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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 [2018-12-02 09:54:19,138 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:54:19,139 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:54:19,146 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:54:19,146 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:54:19,147 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:54:19,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:54:19,148 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:54:19,149 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:54:19,150 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:54:19,151 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:54:19,151 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:54:19,151 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:54:19,152 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:54:19,153 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:54:19,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:54:19,154 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:54:19,155 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:54:19,157 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:54:19,158 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:54:19,158 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:54:19,159 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:54:19,161 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:54:19,161 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:54:19,161 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:54:19,162 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:54:19,162 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:54:19,163 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:54:19,163 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:54:19,164 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:54:19,164 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:54:19,165 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:54:19,165 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:54:19,165 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:54:19,166 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:54:19,166 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:54:19,166 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 09:54:19,177 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:54:19,177 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:54:19,178 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 09:54:19,178 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 09:54:19,178 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 09:54:19,178 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 09:54:19,179 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:54:19,179 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:54:19,179 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:54:19,179 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:54:19,179 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 09:54:19,179 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 09:54:19,179 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 09:54:19,179 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 09:54:19,179 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 09:54:19,180 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:54:19,180 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:54:19,180 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 09:54:19,180 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 09:54:19,180 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 09:54:19,180 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 09:54:19,180 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:54:19,180 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 09:54:19,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 09:54:19,181 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:54:19,181 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 09:54:19,181 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 09:54:19,181 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 09:54:19,181 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 09:54:19,181 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 09:54:19,182 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 09:54:19,182 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 09:54:19,182 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_6d5cfa36-7efe-4db0-a60e-6aebff217f77/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 -> 2fc40f01120ca51e77cbf79a7824b0aac7011828 [2018-12-02 09:54:19,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:54:19,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:54:19,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:54:19,215 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:54:19,215 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:54:19,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b_true-unreach-call.c [2018-12-02 09:54:19,251 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/data/cfa647109/ff7cb5ef6dad4068a0a3620ca7fff302/FLAG3afd8b618 [2018-12-02 09:54:19,635 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:54:19,635 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/sv-benchmarks/c/float-newlib/double_req_bl_1032b_true-unreach-call.c [2018-12-02 09:54:19,639 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/data/cfa647109/ff7cb5ef6dad4068a0a3620ca7fff302/FLAG3afd8b618 [2018-12-02 09:54:19,648 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/data/cfa647109/ff7cb5ef6dad4068a0a3620ca7fff302 [2018-12-02 09:54:19,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:54:19,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:54:19,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:54:19,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:54:19,653 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:54:19,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:54:19" (1/1) ... [2018-12-02 09:54:19,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7a218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19, skipping insertion in model container [2018-12-02 09:54:19,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:54:19" (1/1) ... [2018-12-02 09:54:19,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:54:19,670 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:54:19,768 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:54:19,771 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:54:19,790 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:54:19,806 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:54:19,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19 WrapperNode [2018-12-02 09:54:19,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:54:19,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:54:19,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:54:19,807 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:54:19,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19" (1/1) ... [2018-12-02 09:54:19,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19" (1/1) ... [2018-12-02 09:54:19,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:54:19,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:54:19,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:54:19,833 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:54:19,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19" (1/1) ... [2018-12-02 09:54:19,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19" (1/1) ... [2018-12-02 09:54:19,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19" (1/1) ... [2018-12-02 09:54:19,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19" (1/1) ... [2018-12-02 09:54:19,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19" (1/1) ... [2018-12-02 09:54:19,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19" (1/1) ... [2018-12-02 09:54:19,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19" (1/1) ... [2018-12-02 09:54:19,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:54:19,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:54:19,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:54:19,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:54:19,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/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 [2018-12-02 09:54:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 09:54:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 09:54:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 09:54:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 09:54:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:54:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:54:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 09:54:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 09:54:20,071 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:54:20,101 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:54:20,487 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:54:20,487 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 09:54:20,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:54:20 BoogieIcfgContainer [2018-12-02 09:54:20,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:54:20,488 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 09:54:20,488 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 09:54:20,496 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 09:54:20,496 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:54:20" (1/1) ... [2018-12-02 09:54:20,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:54:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:54:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-12-02 09:54:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-12-02 09:54:20,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 09:54:20,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:54:20,559 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 09:54:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:54:20,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:54:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:54:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:54:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-12-02 09:54:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-12-02 09:54:20,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 09:54:20,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:54:20,597 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 09:54:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:54:20,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:54:20,645 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:54:20,645 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:54:20,649 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-12-02 09:54:20,677 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:54:20,678 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 33 [2018-12-02 09:54:20,678 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:54:20,690 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-12-02 09:54:20,693 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:54:20,694 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-12-02 09:54:20,695 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 09:54:20,699 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:54:20,700 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:54:20,708 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 09:54:20,708 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:15 [2018-12-02 09:54:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:54:20,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:54:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-12-02 09:54:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-12-02 09:54:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 09:54:20,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:54:20,953 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 09:54:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:54:20,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:54:21,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:54:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:54:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-12-02 09:54:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-12-02 09:54:21,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 09:54:21,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:54:21,466 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 09:54:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:54:21,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:54:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:54:21,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:54:21,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-12-02 09:54:21,478 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-02 09:54:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 09:54:21,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:54:21,480 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 09:54:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:54:21,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:54:21,502 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:54:21,503 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:54:21,504 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-12-02 09:54:21,538 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:54:21,539 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2018-12-02 09:54:21,539 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:54:21,549 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-12-02 09:54:21,553 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:54:21,554 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-02 09:54:21,554 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 09:54:21,556 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:54:21,557 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:54:21,562 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 09:54:21,562 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:15 [2018-12-02 09:54:21,747 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-12-02 09:54:21,751 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-12-02 09:54:21,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-12-02 09:54:21,764 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:54:21,768 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:54:21,772 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:54:21,784 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 09:54:21,784 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:86, output treesize:35 [2018-12-02 09:54:21,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:54:22,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:54:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-12-02 09:54:22,623 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-12-02 09:54:22,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 09:54:22,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:54:22,624 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 09:54:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:54:22,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:54:22,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:54:22,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:54:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2018-12-02 09:54:22,637 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-12-02 09:54:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 09:54:22,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:54:22,638 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 09:54:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:54:22,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:54:22,667 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:54:22,668 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:54:22,669 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 34 [2018-12-02 09:54:22,673 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:54:22,674 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-12-02 09:54:22,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:54:22,683 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-12-02 09:54:22,686 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:54:22,687 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-02 09:54:22,687 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 09:54:22,689 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:54:22,690 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:54:22,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 09:54:22,695 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:15 [2018-12-02 09:54:22,790 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-12-02 09:54:22,794 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-12-02 09:54:22,807 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-12-02 09:54:22,807 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:54:22,810 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:54:22,813 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:54:22,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 09:54:22,825 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:86, output treesize:35 [2018-12-02 09:54:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:54:23,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:54:23,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-12-02 09:54:23,644 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-12-02 09:54:23,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 09:54:23,644 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-12-02 09:54:23,649 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 09:54:23,713 INFO L583 CodeCheckObserver]: Invariant with dag size 4 [2018-12-02 09:54:23,719 INFO L583 CodeCheckObserver]: Invariant with dag size 4 [2018-12-02 09:54:23,719 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 09:54:23,719 INFO L583 CodeCheckObserver]: Invariant with dag size 13 [2018-12-02 09:54:23,720 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,720 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,720 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,721 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,721 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,721 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,721 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,722 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,722 INFO L583 CodeCheckObserver]: Invariant with dag size 4 [2018-12-02 09:54:23,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:54:23 ImpRootNode [2018-12-02 09:54:23,722 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 09:54:23,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 09:54:23,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 09:54:23,723 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 09:54:23,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:54:20" (3/4) ... [2018-12-02 09:54:23,726 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 09:54:23,732 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-02 09:54:23,732 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 09:54:23,732 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 09:54:23,749 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result [2018-12-02 09:54:23,750 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_3 : bv64 :: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]) && v_q#valueAsBitvector_3[63:32] == msw) [2018-12-02 09:54:23,763 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d5cfa36-7efe-4db0-a60e-6aebff217f77/bin-2019/ukojak/witness.graphml [2018-12-02 09:54:23,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 09:54:23,763 INFO L168 Benchmark]: Toolchain (without parser) took 4113.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 827.2 MB in the end (delta: 117.5 MB). Peak memory consumption was 256.5 MB. Max. memory is 11.5 GB. [2018-12-02 09:54:23,764 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-02 09:54:23,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.11 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 09:54:23,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.39 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:54:23,765 INFO L168 Benchmark]: Boogie Preprocessor took 53.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -204.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-12-02 09:54:23,765 INFO L168 Benchmark]: RCFGBuilder took 601.27 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: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2018-12-02 09:54:23,765 INFO L168 Benchmark]: CodeCheck took 3234.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 827.2 MB in the end (delta: 267.9 MB). Peak memory consumption was 267.9 MB. Max. memory is 11.5 GB. [2018-12-02 09:54:23,766 INFO L168 Benchmark]: Witness Printer took 39.97 ms. Allocated memory is still 1.2 GB. Free memory is still 827.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:54:23,767 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, 30 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1548 SDtfs, 510 SDslu, 340 SDs, 0 SdLazy, 2142 SolverSat, 480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 703 GetRequests, 656 SyntacticMatches, 9 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 79 ConstructedInterpolants, 15 QuantifiedInterpolants, 5785 SizeOfPredicates, 33 NumberOfNonLiveVariables, 272 ConjunctsInSsa, 58 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: 91]: 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: 20]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 69]: Loop Invariant [2018-12-02 09:54:23,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 09:54:23,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_3 : bv64 :: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]) && v_q#valueAsBitvector_3[63:32] == msw) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 156.11 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 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 25.39 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -204.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 601.27 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: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * CodeCheck took 3234.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 827.2 MB in the end (delta: 267.9 MB). Peak memory consumption was 267.9 MB. Max. memory is 11.5 GB. * Witness Printer took 39.97 ms. Allocated memory is still 1.2 GB. Free memory is still 827.2 MB. There was no memory consumed. 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[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] RESULT: Ultimate proved your program to be correct! Received shutdown request...