./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1230_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_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/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 31da98a788dd1938c78053bade42bc512d4e8954 .......................................................................................................................................................................................................................................... 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_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/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 31da98a788dd1938c78053bade42bc512d4e8954 ...................................................................................................................................................................................................................................................... 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 05:16:44,205 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:16:44,206 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:16:44,212 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:16:44,212 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:16:44,213 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:16:44,213 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:16:44,214 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:16:44,215 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:16:44,215 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:16:44,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:16:44,216 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:16:44,216 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:16:44,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:16:44,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:16:44,218 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:16:44,218 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:16:44,219 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:16:44,220 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:16:44,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:16:44,221 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:16:44,222 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:16:44,222 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:16:44,223 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:16:44,223 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:16:44,223 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:16:44,224 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:16:44,224 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:16:44,224 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:16:44,225 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:16:44,225 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:16:44,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:16:44,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:16:44,226 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:16:44,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:16:44,226 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:16:44,226 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 05:16:44,233 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:16:44,233 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:16:44,234 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:16:44,234 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 05:16:44,234 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 05:16:44,234 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 05:16:44,234 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:16:44,235 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:16:44,235 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:16:44,235 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:16:44,235 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:16:44,235 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:16:44,235 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:16:44,235 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:16:44,235 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:16:44,235 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:16:44,235 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 05:16:44,235 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:16:44,235 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 05:16:44,236 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 05:16:44,236 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:16:44,236 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:16:44,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 05:16:44,236 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:16:44,236 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:16:44,236 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:16:44,236 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 05:16:44,236 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:16:44,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 05:16:44,236 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_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/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 -> 31da98a788dd1938c78053bade42bc512d4e8954 [2018-12-02 05:16:44,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:16:44,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:16:44,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:16:44,264 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:16:44,264 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:16:44,264 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-12-02 05:16:44,300 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/data/a1a7c49be/7cc1740126e345c9a902aa0a3f4f5526/FLAG60fd3118c [2018-12-02 05:16:44,695 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:16:44,695 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-12-02 05:16:44,699 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/data/a1a7c49be/7cc1740126e345c9a902aa0a3f4f5526/FLAG60fd3118c [2018-12-02 05:16:44,707 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/data/a1a7c49be/7cc1740126e345c9a902aa0a3f4f5526 [2018-12-02 05:16:44,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:16:44,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:16:44,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:16:44,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:16:44,712 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:16:44,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:16:44" (1/1) ... [2018-12-02 05:16:44,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44, skipping insertion in model container [2018-12-02 05:16:44,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:16:44" (1/1) ... [2018-12-02 05:16:44,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:16:44,727 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:16:44,818 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:16:44,820 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:16:44,834 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:16:44,845 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:16:44,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44 WrapperNode [2018-12-02 05:16:44,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:16:44,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:16:44,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:16:44,846 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:16:44,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44" (1/1) ... [2018-12-02 05:16:44,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44" (1/1) ... [2018-12-02 05:16:44,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:16:44,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:16:44,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:16:44,897 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:16:44,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44" (1/1) ... [2018-12-02 05:16:44,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44" (1/1) ... [2018-12-02 05:16:44,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44" (1/1) ... [2018-12-02 05:16:44,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44" (1/1) ... [2018-12-02 05:16:44,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44" (1/1) ... [2018-12-02 05:16:44,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44" (1/1) ... [2018-12-02 05:16:44,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44" (1/1) ... [2018-12-02 05:16:44,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:16:44,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:16:44,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:16:44,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:16:44,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/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 05:16:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 05:16:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:16:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:16:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:16:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 05:16:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-02 05:16:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-02 05:16:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 05:16:45,152 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:16:45,153 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-02 05:16:45,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:16:45 BoogieIcfgContainer [2018-12-02 05:16:45,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:16:45,154 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 05:16:45,154 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 05:16:45,164 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 05:16:45,164 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:16:45" (1/1) ... [2018-12-02 05:16:45,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:16:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:16:45,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-12-02 05:16:45,198 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-12-02 05:16:45,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 05:16:45,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:16:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:16:45,274 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 05:16:45,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:16:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-12-02 05:16:45,280 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-02 05:16:45,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 05:16:45,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:16:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:16:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:16:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:16:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:16:45,367 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-02 05:16:45,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:16:45 ImpRootNode [2018-12-02 05:16:45,388 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 05:16:45,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:16:45,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:16:45,389 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:16:45,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:16:45" (3/4) ... [2018-12-02 05:16:45,392 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 05:16:45,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:16:45,393 INFO L168 Benchmark]: Toolchain (without parser) took 684.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -105.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:16:45,395 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:16:45,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.16 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 05:16:45,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-02 05:16:45,396 INFO L168 Benchmark]: Boogie Preprocessor took 15.40 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. [2018-12-02 05:16:45,397 INFO L168 Benchmark]: RCFGBuilder took 241.03 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-02 05:16:45,397 INFO L168 Benchmark]: CodeCheck took 235.02 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:16:45,398 INFO L168 Benchmark]: Witness Printer took 3.72 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. [2018-12-02 05:16:45,400 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 2 procedures, 27 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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: 59]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L54] float x = 0.0f / 0.0f; [L55] float y = 0.0f / 0.0f; [L35] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L12] __uint32_t w; VAL [\old(x)=1, x=1] [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L20] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L22-L23] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L25-L26] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L28] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L31] return 0; [L35] RET, EXPR __fpclassify_float(x) [L35] COND TRUE __fpclassify_float(x) == 0 [L36] return y; [L56] float res = fmin_float(x, y); [L44] return x != x; [L58] COND TRUE !isnan_float(res) [L59] __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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.16 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 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 50.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.40 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. * RCFGBuilder took 241.03 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * CodeCheck took 235.02 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.72 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 [2018-12-02 05:16:46,695 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:16:46,696 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:16:46,702 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:16:46,702 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:16:46,703 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:16:46,703 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:16:46,704 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:16:46,705 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:16:46,705 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:16:46,706 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:16:46,706 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:16:46,706 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:16:46,707 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:16:46,707 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:16:46,708 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:16:46,708 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:16:46,709 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:16:46,710 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:16:46,710 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:16:46,711 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:16:46,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:16:46,712 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:16:46,713 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:16:46,713 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:16:46,713 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:16:46,714 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:16:46,714 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:16:46,714 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:16:46,715 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:16:46,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:16:46,715 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:16:46,715 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:16:46,715 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:16:46,716 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:16:46,716 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:16:46,716 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 05:16:46,724 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:16:46,724 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:16:46,724 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:16:46,724 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 05:16:46,725 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 05:16:46,725 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 05:16:46,725 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:16:46,725 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:16:46,725 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:16:46,725 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:16:46,725 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:16:46,725 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:16:46,725 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:16:46,726 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 05:16:46,726 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 05:16:46,726 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:16:46,726 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:16:46,726 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 05:16:46,726 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:16:46,726 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 05:16:46,726 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 05:16:46,726 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:16:46,726 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:16:46,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 05:16:46,727 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:16:46,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:16:46,727 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:16:46,727 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 05:16:46,727 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 05:16:46,727 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:16:46,727 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 05:16:46,727 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 05:16:46,727 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_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/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 -> 31da98a788dd1938c78053bade42bc512d4e8954 [2018-12-02 05:16:46,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:16:46,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:16:46,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:16:46,759 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:16:46,759 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:16:46,759 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-12-02 05:16:46,800 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/data/7dae9ed1c/1b4207fbff04414e9f08465a4c444ca3/FLAG31afa2e4c [2018-12-02 05:16:47,250 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:16:47,251 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-12-02 05:16:47,255 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/data/7dae9ed1c/1b4207fbff04414e9f08465a4c444ca3/FLAG31afa2e4c [2018-12-02 05:16:47,263 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/data/7dae9ed1c/1b4207fbff04414e9f08465a4c444ca3 [2018-12-02 05:16:47,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:16:47,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:16:47,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:16:47,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:16:47,268 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:16:47,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47, skipping insertion in model container [2018-12-02 05:16:47,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:16:47,290 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:16:47,388 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:16:47,393 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:16:47,410 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:16:47,424 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:16:47,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47 WrapperNode [2018-12-02 05:16:47,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:16:47,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:16:47,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:16:47,425 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:16:47,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:16:47,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:16:47,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:16:47,451 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:16:47,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:16:47,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:16:47,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:16:47,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:16:47,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:16:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/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 05:16:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:16:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 05:16:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:16:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:16:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 05:16:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-02 05:16:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-02 05:16:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 05:16:47,654 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 05:16:47,769 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:16:47,769 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-02 05:16:47,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:16:47 BoogieIcfgContainer [2018-12-02 05:16:47,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:16:47,770 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 05:16:47,770 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 05:16:47,776 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 05:16:47,776 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:16:47" (1/1) ... [2018-12-02 05:16:47,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:16:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:16:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-12-02 05:16:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-12-02 05:16:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 05:16:47,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:16:47,842 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 05:16:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:16:47,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:16:47,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:16:47,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:16:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-12-02 05:16:47,883 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-02 05:16:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 05:16:47,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:16:47,885 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 05:16:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:16:47,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:16:47,933 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 05:16:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:16:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2018-12-02 05:16:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-12-02 05:16:48,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 05:16:48,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:16:48,004 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 05:16:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:16:48,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:16:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 05:16:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:16:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2018-12-02 05:16:48,237 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-12-02 05:16:48,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 05:16:48,238 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-12-02 05:16:48,243 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 05:16:48,260 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 05:16:48,262 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 05:16:48,262 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 05:16:48,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:16:48 ImpRootNode [2018-12-02 05:16:48,268 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 05:16:48,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:16:48,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:16:48,269 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:16:48,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:16:47" (3/4) ... [2018-12-02 05:16:48,272 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 05:16:48,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2018-12-02 05:16:48,281 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 05:16:48,281 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 05:16:48,281 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 05:16:48,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-02 05:16:48,312 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c1ca0b9-20fd-45c2-bf5a-d1d630b39929/bin-2019/ukojak/witness.graphml [2018-12-02 05:16:48,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:16:48,313 INFO L168 Benchmark]: Toolchain (without parser) took 1047.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -83.7 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-12-02 05:16:48,314 INFO L168 Benchmark]: CDTParser took 0.16 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 05:16:48,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.98 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 05:16:48,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.18 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:16:48,314 INFO L168 Benchmark]: Boogie Preprocessor took 23.31 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 05:16:48,314 INFO L168 Benchmark]: RCFGBuilder took 294.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-02 05:16:48,315 INFO L168 Benchmark]: CodeCheck took 498.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. [2018-12-02 05:16:48,315 INFO L168 Benchmark]: Witness Printer took 43.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 05:16:48,316 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 2 procedures, 25 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 6 SDslu, 6 SDs, 0 SdLazy, 94 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 260 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1609 SizeOfPredicates, 21 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 4/5 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: 59]: 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: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == \old(x) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.98 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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 26.18 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.31 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. * RCFGBuilder took 294.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 498.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. * Witness Printer took 43.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...