./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_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/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_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/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_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/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_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/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 [2018-12-08 12:40:48,181 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:40:48,182 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:40:48,188 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:40:48,189 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:40:48,189 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:40:48,190 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:40:48,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:40:48,191 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:40:48,192 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:40:48,192 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:40:48,192 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:40:48,193 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:40:48,193 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:40:48,194 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:40:48,194 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:40:48,194 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:40:48,195 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:40:48,196 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:40:48,197 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:40:48,198 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:40:48,198 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:40:48,199 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:40:48,199 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:40:48,199 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:40:48,200 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:40:48,200 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:40:48,201 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:40:48,201 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:40:48,202 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:40:48,202 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:40:48,202 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:40:48,202 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:40:48,202 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:40:48,203 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:40:48,203 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:40:48,203 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 12:40:48,210 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:40:48,210 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:40:48,211 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:40:48,211 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:40:48,211 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:40:48,211 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:40:48,211 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:40:48,211 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:40:48,211 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:40:48,212 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:40:48,212 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:40:48,212 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:40:48,212 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:40:48,212 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:40:48,212 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:40:48,212 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:40:48,212 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:40:48,212 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:40:48,212 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:40:48,212 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:40:48,212 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:40:48,212 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:40:48,213 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:40:48,213 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:40:48,213 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:40:48,213 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:40:48,213 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 12:40:48,213 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:40:48,213 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:40:48,213 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_0cbac986-69cc-4249-b4a3-f671d610bef4/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 [2018-12-08 12:40:48,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:40:48,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:40:48,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:40:48,240 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:40:48,240 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:40:48,240 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-12-08 12:40:48,276 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/data/e9cb43446/03d1fd75575d49cf947e849d908ad936/FLAG2b29b1151 [2018-12-08 12:40:48,605 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:40:48,606 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-12-08 12:40:48,609 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/data/e9cb43446/03d1fd75575d49cf947e849d908ad936/FLAG2b29b1151 [2018-12-08 12:40:48,617 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/data/e9cb43446/03d1fd75575d49cf947e849d908ad936 [2018-12-08 12:40:48,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:40:48,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:40:48,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:40:48,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:40:48,622 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:40:48,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:40:48" (1/1) ... [2018-12-08 12:40:48,625 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 08.12 12:40:48, skipping insertion in model container [2018-12-08 12:40:48,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:40:48" (1/1) ... [2018-12-08 12:40:48,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:40:48,643 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:40:48,737 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:40:48,739 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:40:48,753 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:40:48,764 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:40:48,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:48 WrapperNode [2018-12-08 12:40:48,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:40:48,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:40:48,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:40:48,765 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:40:48,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:48" (1/1) ... [2018-12-08 12:40:48,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:48" (1/1) ... [2018-12-08 12:40:48,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:40:48,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:40:48,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:40:48,823 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:40:48,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:48" (1/1) ... [2018-12-08 12:40:48,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:48" (1/1) ... [2018-12-08 12:40:48,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:48" (1/1) ... [2018-12-08 12:40:48,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:48" (1/1) ... [2018-12-08 12:40:48,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:48" (1/1) ... [2018-12-08 12:40:48,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:48" (1/1) ... [2018-12-08 12:40:48,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:48" (1/1) ... [2018-12-08 12:40:48,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:40:48,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:40:48,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:40:48,839 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:40:48,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/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 [2018-12-08 12:40:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 12:40:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:40:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:40:48,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:40:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 12:40:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-08 12:40:48,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-08 12:40:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 12:40:49,067 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:40:49,067 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 12:40:49,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:40:49 BoogieIcfgContainer [2018-12-08 12:40:49,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:40:49,068 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:40:49,068 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:40:49,075 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:40:49,075 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:40:49" (1/1) ... [2018-12-08 12:40:49,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:40:49,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-12-08 12:40:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-12-08 12:40:49,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 12:40:49,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:40:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:49,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-12-08 12:40:49,182 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-08 12:40:49,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 12:40:49,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:40:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:40:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:40:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:40:49,269 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 12:40:49,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:40:49 ImpRootNode [2018-12-08 12:40:49,289 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:40:49,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:40:49,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:40:49,289 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:40:49,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:40:49" (3/4) ... [2018-12-08 12:40:49,291 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 12:40:49,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:40:49,292 INFO L168 Benchmark]: Toolchain (without parser) took 672.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -116.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-12-08 12:40:49,293 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:40:49,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.93 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:40:49,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-08 12:40:49,294 INFO L168 Benchmark]: Boogie Preprocessor took 14.92 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. [2018-12-08 12:40:49,295 INFO L168 Benchmark]: RCFGBuilder took 229.24 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-12-08 12:40:49,295 INFO L168 Benchmark]: CodeCheck took 220.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:40:49,296 INFO L168 Benchmark]: Witness Printer took 2.75 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. [2018-12-08 12:40:49,298 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.93 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.92 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 229.24 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * CodeCheck took 220.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 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 [2018-12-08 12:40:50,599 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:40:50,600 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:40:50,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:40:50,607 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:40:50,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:40:50,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:40:50,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:40:50,609 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:40:50,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:40:50,610 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:40:50,610 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:40:50,611 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:40:50,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:40:50,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:40:50,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:40:50,613 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:40:50,614 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:40:50,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:40:50,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:40:50,616 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:40:50,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:40:50,618 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:40:50,618 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:40:50,618 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:40:50,619 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:40:50,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:40:50,620 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:40:50,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:40:50,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:40:50,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:40:50,621 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:40:50,621 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:40:50,621 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:40:50,622 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:40:50,622 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:40:50,623 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 12:40:50,630 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:40:50,630 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:40:50,631 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:40:50,631 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:40:50,631 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:40:50,631 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:40:50,632 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:40:50,632 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:40:50,632 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:40:50,632 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:40:50,632 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:40:50,632 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:40:50,632 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:40:50,632 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 12:40:50,632 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 12:40:50,633 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:40:50,633 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:40:50,633 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:40:50,633 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:40:50,633 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:40:50,633 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:40:50,633 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:40:50,633 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:40:50,633 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:40:50,634 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:40:50,634 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:40:50,634 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:40:50,634 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 12:40:50,634 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 12:40:50,634 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:40:50,634 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 12:40:50,634 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 12:40:50,635 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_0cbac986-69cc-4249-b4a3-f671d610bef4/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 [2018-12-08 12:40:50,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:40:50,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:40:50,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:40:50,662 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:40:50,662 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:40:50,663 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-12-08 12:40:50,698 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/data/386d69a04/5670bc140782401882f2d0089826a58f/FLAGfe3bb0da4 [2018-12-08 12:40:51,031 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:40:51,031 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/sv-benchmarks/c/float-newlib/float_req_bl_1230_true-unreach-call.c [2018-12-08 12:40:51,034 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/data/386d69a04/5670bc140782401882f2d0089826a58f/FLAGfe3bb0da4 [2018-12-08 12:40:51,438 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/data/386d69a04/5670bc140782401882f2d0089826a58f [2018-12-08 12:40:51,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:40:51,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:40:51,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:40:51,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:40:51,451 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:40:51,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45734aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51, skipping insertion in model container [2018-12-08 12:40:51,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:40:51,477 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:40:51,568 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:40:51,571 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:40:51,585 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:40:51,599 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:40:51,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51 WrapperNode [2018-12-08 12:40:51,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:40:51,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:40:51,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:40:51,600 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:40:51,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:40:51,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:40:51,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:40:51,622 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:40:51,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:40:51,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:40:51,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:40:51,639 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:40:51,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:40:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/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 [2018-12-08 12:40:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:40:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 12:40:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:40:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:40:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 12:40:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-08 12:40:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-08 12:40:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 12:40:51,816 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 12:40:51,927 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:40:51,927 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 12:40:51,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:40:51 BoogieIcfgContainer [2018-12-08 12:40:51,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:40:51,928 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:40:51,928 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:40:51,934 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:40:51,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:40:51" (1/1) ... [2018-12-08 12:40:51,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:40:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:51,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-12-08 12:40:51,962 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-12-08 12:40:51,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 12:40:51,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:51,997 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:40:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:52,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:40:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:40:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:52,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-12-08 12:40:52,037 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-08 12:40:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 12:40:52,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:52,038 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:40:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:52,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:40:52,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:40:52,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:52,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2018-12-08 12:40:52,154 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-12-08 12:40:52,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 12:40:52,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:52,156 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:40:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:52,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:40:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:40:52,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:52,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2018-12-08 12:40:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-12-08 12:40:52,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:40:52,365 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-12-08 12:40:52,370 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 12:40:52,387 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:40:52,389 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:40:52,389 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 12:40:52,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:40:52 ImpRootNode [2018-12-08 12:40:52,395 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:40:52,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:40:52,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:40:52,396 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:40:52,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:40:51" (3/4) ... [2018-12-08 12:40:52,400 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:40:52,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2018-12-08 12:40:52,409 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 12:40:52,409 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 12:40:52,409 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:40:52,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-08 12:40:52,451 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0cbac986-69cc-4249-b4a3-f671d610bef4/bin-2019/ukojak/witness.graphml [2018-12-08 12:40:52,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:40:52,452 INFO L168 Benchmark]: Toolchain (without parser) took 1008.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 942.0 MB in the beginning and 1.0 GB in the end (delta: -92.0 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:40:52,453 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-08 12:40:52,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.17 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:40:52,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.67 ms. Allocated memory is still 1.0 GB. Free memory was 931.3 MB in the beginning and 925.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 12:40:52,454 INFO L168 Benchmark]: Boogie Preprocessor took 16.60 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:40:52,454 INFO L168 Benchmark]: RCFGBuilder took 288.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:40:52,455 INFO L168 Benchmark]: CodeCheck took 467.68 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: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. [2018-12-08 12:40:52,455 INFO L168 Benchmark]: Witness Printer took 55.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:40:52,457 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 0.11 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 153.17 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.67 ms. Allocated memory is still 1.0 GB. Free memory was 931.3 MB in the beginning and 925.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.60 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 288.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 467.68 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: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. * Witness Printer took 55.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...