./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/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 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/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 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 ................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:33:28,127 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:33:28,128 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:33:28,135 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:33:28,135 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:33:28,135 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:33:28,136 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:33:28,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:33:28,138 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:33:28,139 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:33:28,139 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:33:28,140 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:33:28,140 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:33:28,141 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:33:28,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:33:28,142 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:33:28,143 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:33:28,144 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:33:28,145 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:33:28,146 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:33:28,147 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:33:28,148 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:33:28,150 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:33:28,150 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:33:28,150 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:33:28,151 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:33:28,152 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:33:28,152 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:33:28,153 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:33:28,154 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:33:28,154 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:33:28,154 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:33:28,154 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:33:28,155 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:33:28,155 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:33:28,156 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:33:28,156 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:33:28,166 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:33:28,166 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:33:28,167 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:33:28,167 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:33:28,168 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:33:28,168 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:33:28,168 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:33:28,168 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:33:28,168 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:33:28,168 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:33:28,168 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:33:28,169 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:33:28,169 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:33:28,169 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:33:28,169 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:33:28,169 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:33:28,169 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:33:28,169 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:33:28,169 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:33:28,170 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:33:28,170 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:33:28,170 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:33:28,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:33:28,170 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:33:28,170 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:33:28,170 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:33:28,170 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:33:28,171 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:33:28,171 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:33:28,171 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_5303bb08-beb3-4c57-ba65-80232d2981d8/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 -> 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 [2018-11-23 00:33:28,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:33:28,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:33:28,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:33:28,202 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:33:28,203 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:33:28,203 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-11-23 00:33:28,239 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/data/3f757b7c4/adc0160133c648d0bbace24e730d6982/FLAG8075a2f82 [2018-11-23 00:33:28,568 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:33:28,569 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-11-23 00:33:28,574 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/data/3f757b7c4/adc0160133c648d0bbace24e730d6982/FLAG8075a2f82 [2018-11-23 00:33:29,009 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/data/3f757b7c4/adc0160133c648d0bbace24e730d6982 [2018-11-23 00:33:29,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:33:29,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:33:29,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:33:29,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:33:29,014 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:33:29,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40bb9761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29, skipping insertion in model container [2018-11-23 00:33:29,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:33:29,036 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:33:29,145 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:33:29,147 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:33:29,161 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:33:29,174 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:33:29,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29 WrapperNode [2018-11-23 00:33:29,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:33:29,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:33:29,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:33:29,175 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:33:29,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:33:29,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:33:29,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:33:29,197 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:33:29,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:33:29,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:33:29,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:33:29,252 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:33:29,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/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 [2018-11-23 00:33:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 00:33:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:33:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:33:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:33:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 00:33:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-23 00:33:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-23 00:33:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 00:33:29,594 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:33:29,595 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-11-23 00:33:29,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:29 BoogieIcfgContainer [2018-11-23 00:33:29,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:33:29,595 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:33:29,596 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:33:29,604 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:33:29,605 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:29" (1/1) ... [2018-11-23 00:33:29,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:33:29,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:33:29,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-11-23 00:33:29,635 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-11-23 00:33:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 00:33:29,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:33:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:33:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:33:29,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:33:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-11-23 00:33:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-23 00:33:29,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 00:33:29,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:33:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:33:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:33:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:33:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:33:29,848 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~ret5, main_#t~ret6, main_~x~0, main_~y~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0);main_~y~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0);fmax_float_#in~x, fmax_float_#in~y := main_~x~0, main_~y~0;havoc fmax_float_#res;havoc fmax_float_#t~ret2, fmax_float_#t~ret3, fmax_float_#t~ite4, fmax_float_~x, fmax_float_~y;fmax_float_~x := fmax_float_#in~x;fmax_float_~y := fmax_float_#in~y; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0] [?] CALL call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=1.0] [?] ~x := #in~x;havoc ~w~0; VAL [__fpclassify_float_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=1.0] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__fpclassify_float_~w~0=2139095041, __fpclassify_float_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=1.0] [?] goto; VAL [__fpclassify_float_~w~0=2139095041, __fpclassify_float_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=1.0] [?] BeginParallelComposition{ParallelCodeBlock0: assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296;#res := 2;ParallelCodeBlock1: assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296);BeginParallelComposition{ParallelCodeBlock0: assume (~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687);#res := 4;ParallelCodeBlock1: assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687));BeginParallelComposition{ParallelCodeBlock0: assume (~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255);#res := 3;ParallelCodeBlock1: assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255));BeginParallelComposition{ParallelCodeBlock0: assume 2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296;#res := 1;ParallelCodeBlock1: assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296);#res := 0;}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelCompositionassume true; VAL [__fpclassify_float_~w~0=2139095041, __fpclassify_float_~x=1.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=1.0, |__fpclassify_float_#res|=0] [?] RET #69#return; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#t~ret2|=0] [?] assume -2147483648 <= fmax_float_#t~ret2 && fmax_float_#t~ret2 <= 2147483647; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#t~ret2|=0] [?] assume 0 == fmax_float_#t~ret2;havoc fmax_float_#t~ret2;fmax_float_#res := fmax_float_~y; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#res|=0.0] [?] main_#t~ret5 := fmax_float_#res;main_~res~0 := main_#t~ret5;havoc main_#t~ret5;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0);main_#t~ret6 := isnan_float_#res;assume -2147483648 <= main_#t~ret6 && main_#t~ret6 <= 2147483647; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_isnan_float_~x=0.0, ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#res|=0.0, |ULTIMATE.start_isnan_float_#in~x|=0.0, |ULTIMATE.start_isnan_float_#res|=0, |ULTIMATE.start_main_#t~ret6|=0] [?] assume 0 == main_#t~ret6;havoc main_#t~ret6; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_isnan_float_~x=0.0, ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#res|=0.0, |ULTIMATE.start_isnan_float_#in~x|=0.0, |ULTIMATE.start_isnan_float_#res|=0] [?] assume !false; VAL [ULTIMATE.start_fmax_float_~x=1.0, ULTIMATE.start_fmax_float_~y=0.0, ULTIMATE.start_isnan_float_~x=0.0, ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=1.0, ULTIMATE.start_main_~y~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fmax_float_#in~x|=1.0, |ULTIMATE.start_fmax_float_#in~y|=0.0, |ULTIMATE.start_fmax_float_#res|=0.0, |ULTIMATE.start_isnan_float_#in~x|=0.0, |ULTIMATE.start_isnan_float_#res|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret5, main_#t~ret6, main_~x~0, main_~y~0, main_~res~0; [L60] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L61] main_~y~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L62] fmax_float_#in~x, fmax_float_#in~y := main_~x~0, main_~y~0; [L62] havoc fmax_float_#res; [L62] havoc fmax_float_#t~ret2, fmax_float_#t~ret3, fmax_float_#t~ite4, fmax_float_~x, fmax_float_~y; [L42-L51] fmax_float_~x := fmax_float_#in~x; [L42-L51] fmax_float_~y := fmax_float_#in~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] CALL call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~x=1.0] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~w~0 := #t~mem0; [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~w~0=2139095041, ~x=1.0] [L28-L39] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); [L30-L39] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); [L33-L39] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); [L36-L39] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296); [L39] #res := 0; [L19-L40] ensures true; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=2139095041, ~x=1.0] [L43] RET call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] assume -2147483648 <= fmax_float_#t~ret2 && fmax_float_#t~ret2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43-L45] assume 0 == fmax_float_#t~ret2; [L43] havoc fmax_float_#t~ret2; [L44] fmax_float_#res := fmax_float_~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L62] main_#t~ret5 := fmax_float_#res; [L62] main_~res~0 := main_#t~ret5; [L62] havoc main_#t~ret5; [L64] isnan_float_#in~x := main_~res~0; [L64] havoc isnan_float_#res; [L64] havoc isnan_float_~x; [L54] isnan_float_~x := isnan_float_#in~x; [L54] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L64] main_#t~ret6 := isnan_float_#res; [L64] assume -2147483648 <= main_#t~ret6 && main_#t~ret6 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_#t~ret6=0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L64-L67] assume 0 == main_#t~ret6; [L64] havoc main_#t~ret6; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L65] assert false; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret5, main_#t~ret6, main_~x~0, main_~y~0, main_~res~0; [L60] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L61] main_~y~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L62] fmax_float_#in~x, fmax_float_#in~y := main_~x~0, main_~y~0; [L62] havoc fmax_float_#res; [L62] havoc fmax_float_#t~ret2, fmax_float_#t~ret3, fmax_float_#t~ite4, fmax_float_~x, fmax_float_~y; [L42-L51] fmax_float_~x := fmax_float_#in~x; [L42-L51] fmax_float_~y := fmax_float_#in~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] CALL call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~x=1.0] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~w~0 := #t~mem0; [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, ~w~0=2139095041, ~x=1.0] [L28-L39] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); [L30-L39] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); [L33-L39] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); [L36-L39] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296); [L39] #res := 0; [L19-L40] ensures true; VAL [#in~x=1.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=2139095041, ~x=1.0] [L43] RET call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] assume -2147483648 <= fmax_float_#t~ret2 && fmax_float_#t~ret2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43-L45] assume 0 == fmax_float_#t~ret2; [L43] havoc fmax_float_#t~ret2; [L44] fmax_float_#res := fmax_float_~y; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L62] main_#t~ret5 := fmax_float_#res; [L62] main_~res~0 := main_#t~ret5; [L62] havoc main_#t~ret5; [L64] isnan_float_#in~x := main_~res~0; [L64] havoc isnan_float_#res; [L64] havoc isnan_float_~x; [L54] isnan_float_~x := isnan_float_#in~x; [L54] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L64] main_#t~ret6 := isnan_float_#res; [L64] assume -2147483648 <= main_#t~ret6 && main_#t~ret6 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_#t~ret6=0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L64-L67] assume 0 == main_#t~ret6; [L64] havoc main_#t~ret6; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L65] assert false; VAL [#NULL.base=0, #NULL.offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret5, main_#t~ret6, main_~x~0, main_~y~0, main_~res~0; [L60] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L61] main_~y~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L62] fmax_float_#in~x, fmax_float_#in~y := main_~x~0, main_~y~0; [L62] havoc fmax_float_#res; [L62] havoc fmax_float_#t~ret2, fmax_float_#t~ret3, fmax_float_#t~ite4, fmax_float_~x, fmax_float_~y; [L42-L51] fmax_float_~x := fmax_float_#in~x; [L42-L51] fmax_float_~y := fmax_float_#in~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] CALL call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~x=1.0] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~w~0 := #t~mem0; [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=1.0] [L28] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L30-L31] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L33-L34] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L36] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L39] #res := 0; [L43] RET call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] assume -2147483648 <= fmax_float_#t~ret2 && fmax_float_#t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] COND TRUE 0 == fmax_float_#t~ret2 [L43] havoc fmax_float_#t~ret2; [L44] fmax_float_#res := fmax_float_~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L62] main_#t~ret5 := fmax_float_#res; [L62] main_~res~0 := main_#t~ret5; [L62] havoc main_#t~ret5; [L64] isnan_float_#in~x := main_~res~0; [L64] havoc isnan_float_#res; [L64] havoc isnan_float_~x; [L54] isnan_float_~x := isnan_float_#in~x; [L54] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L64] main_#t~ret6 := isnan_float_#res; [L64] assume -2147483648 <= main_#t~ret6 && main_#t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_#t~ret6=0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L64] COND TRUE 0 == main_#t~ret6 [L64] havoc main_#t~ret6; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L65] assert false; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret5, main_#t~ret6, main_~x~0, main_~y~0, main_~res~0; [L60] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L61] main_~y~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L62] fmax_float_#in~x, fmax_float_#in~y := main_~x~0, main_~y~0; [L62] havoc fmax_float_#res; [L62] havoc fmax_float_#t~ret2, fmax_float_#t~ret3, fmax_float_#t~ite4, fmax_float_~x, fmax_float_~y; [L42-L51] fmax_float_~x := fmax_float_#in~x; [L42-L51] fmax_float_~y := fmax_float_#in~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] CALL call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~x=1.0] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~w~0 := #t~mem0; [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=1.0] [L28] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L30-L31] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L33-L34] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L36] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L39] #res := 0; [L43] RET call fmax_float_#t~ret2 := __fpclassify_float(fmax_float_~x); VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] assume -2147483648 <= fmax_float_#t~ret2 && fmax_float_#t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#t~ret2=0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L43] COND TRUE 0 == fmax_float_#t~ret2 [L43] havoc fmax_float_#t~ret2; [L44] fmax_float_#res := fmax_float_~y; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, main_~x~0=1.0, main_~y~0=0.0] [L62] main_#t~ret5 := fmax_float_#res; [L62] main_~res~0 := main_#t~ret5; [L62] havoc main_#t~ret5; [L64] isnan_float_#in~x := main_~res~0; [L64] havoc isnan_float_#res; [L64] havoc isnan_float_~x; [L54] isnan_float_~x := isnan_float_#in~x; [L54] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L64] main_#t~ret6 := isnan_float_#res; [L64] assume -2147483648 <= main_#t~ret6 && main_#t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_#t~ret6=0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L64] COND TRUE 0 == main_#t~ret6 [L64] havoc main_#t~ret6; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [L65] assert false; VAL [#NULL!base=0, #NULL!offset=0, fmax_float_#in~x=1.0, fmax_float_#in~y=0.0, fmax_float_#res=0.0, fmax_float_~x=1.0, fmax_float_~y=0.0, isnan_float_#in~x=0.0, isnan_float_#res=0, isnan_float_~x=0.0, main_~res~0=0.0, main_~x~0=1.0, main_~y~0=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L60] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L61] ~y~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L42-L51] ~x := #in~x; [L42-L51] ~y := #in~y; VAL [#NULL!base=0, #NULL!offset=0] [L43] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~x=1.0] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~w~0 := #t~mem0; [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=1.0] [L28] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L30-L31] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L33-L34] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L36] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L39] #res := 0; [L43] RET call #t~ret2 := __fpclassify_float(~x); VAL [#NULL!base=0, #NULL!offset=0] [L43] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L43] COND TRUE 0 == #t~ret2 [L43] havoc #t~ret2; [L44] #res := ~y; VAL [#NULL!base=0, #NULL!offset=0] [L62] ~res~0 := #t~ret5; [L62] havoc #t~ret5; [L54] ~x := #in~x; [L54] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L64] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L64] COND TRUE 0 == #t~ret6 [L64] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0] [L65] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L60] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L61] ~y~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L42-L51] ~x := #in~x; [L42-L51] ~y := #in~y; VAL [#NULL!base=0, #NULL!offset=0] [L43] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0] [L19-L40] ~x := #in~x; [L20] havoc ~w~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~x=1.0] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~w~0 := #t~mem0; [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~mem0; [L25] havoc #t~union1; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=1.0, #NULL!base=0, #NULL!offset=0, ~w~0=2139095041, ~x=1.0] [L28] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) [L30-L31] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) [L33-L34] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) [L36] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L39] #res := 0; [L43] RET call #t~ret2 := __fpclassify_float(~x); VAL [#NULL!base=0, #NULL!offset=0] [L43] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L43] COND TRUE 0 == #t~ret2 [L43] havoc #t~ret2; [L44] #res := ~y; VAL [#NULL!base=0, #NULL!offset=0] [L62] ~res~0 := #t~ret5; [L62] havoc #t~ret5; [L54] ~x := #in~x; [L54] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L64] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L64] COND TRUE 0 == #t~ret6 [L64] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0] [L65] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L60] float x = 0.0f / 0.0f; [L61] float y = 0.0f / 0.0f; [L43] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L20] __uint32_t w; VAL [\old(x)=1, x=1] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (w) = gf_u.word [L28] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L30-L31] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L33-L34] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L36] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L39] return 0; [L43] RET, EXPR __fpclassify_float(x) [L43] COND TRUE __fpclassify_float(x) == 0 [L44] return y; [L62] float res = fmax_float(x, y); [L54] return x != x; [L64] COND TRUE !isnan_float(res) [L65] __VERIFIER_error() ----- [2018-11-23 00:33:29,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:33:29 ImpRootNode [2018-11-23 00:33:29,892 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:33:29,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:33:29,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:33:29,892 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:33:29,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:29" (3/4) ... [2018-11-23 00:33:29,895 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 00:33:29,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:33:29,896 INFO L168 Benchmark]: Toolchain (without parser) took 884.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 959.1 MB in the beginning and 1.0 GB in the end (delta: -78.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:29,898 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:33:29,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.22 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:29,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.42 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:33:29,899 INFO L168 Benchmark]: Boogie Preprocessor took 54.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:29,900 INFO L168 Benchmark]: RCFGBuilder took 343.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:29,901 INFO L168 Benchmark]: CodeCheck took 296.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:29,901 INFO L168 Benchmark]: Witness Printer took 3.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:33:29,905 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, 0.2s 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: 65]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryArithmeticFLOAToperation at line 60. Possible FailurePath: [L60] float x = 0.0f / 0.0f; [L61] float y = 0.0f / 0.0f; [L43] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L20] __uint32_t w; VAL [\old(x)=1, x=1] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (w) = gf_u.word [L28] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L30-L31] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L33-L34] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L36] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L39] return 0; [L43] RET, EXPR __fpclassify_float(x) [L43] COND TRUE __fpclassify_float(x) == 0 [L44] return y; [L62] float res = fmax_float(x, y); [L54] return x != x; [L64] COND TRUE !isnan_float(res) [L65] __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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.22 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.42 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 343.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * CodeCheck took 296.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 00:33:31,337 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:33:31,339 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:33:31,348 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:33:31,348 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:33:31,349 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:33:31,349 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:33:31,351 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:33:31,352 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:33:31,352 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:33:31,353 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:33:31,353 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:33:31,354 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:33:31,354 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:33:31,355 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:33:31,356 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:33:31,356 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:33:31,357 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:33:31,359 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:33:31,360 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:33:31,361 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:33:31,361 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:33:31,363 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:33:31,363 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:33:31,363 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:33:31,364 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:33:31,365 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:33:31,365 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:33:31,366 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:33:31,366 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:33:31,367 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:33:31,367 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:33:31,367 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:33:31,367 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:33:31,368 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:33:31,369 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:33:31,369 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 00:33:31,379 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:33:31,379 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:33:31,380 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:33:31,380 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:33:31,381 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:33:31,381 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:33:31,381 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:33:31,381 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:33:31,381 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:33:31,381 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:33:31,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:33:31,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:33:31,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:33:31,382 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 00:33:31,382 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 00:33:31,382 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:33:31,382 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:33:31,382 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:33:31,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:33:31,383 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:33:31,383 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:33:31,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:33:31,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:33:31,383 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:33:31,383 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:33:31,384 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:33:31,384 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:33:31,384 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 00:33:31,384 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 00:33:31,384 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:33:31,384 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 00:33:31,384 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 00:33:31,384 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_5303bb08-beb3-4c57-ba65-80232d2981d8/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 -> 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 [2018-11-23 00:33:31,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:33:31,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:33:31,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:33:31,425 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:33:31,426 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:33:31,426 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-11-23 00:33:31,469 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/data/9d90bf6cf/6d2ed807caab4afbbb10ebaac781cccc/FLAGed79503be [2018-11-23 00:33:31,877 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:33:31,877 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-11-23 00:33:31,882 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/data/9d90bf6cf/6d2ed807caab4afbbb10ebaac781cccc/FLAGed79503be [2018-11-23 00:33:31,892 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/data/9d90bf6cf/6d2ed807caab4afbbb10ebaac781cccc [2018-11-23 00:33:31,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:33:31,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:33:31,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:33:31,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:33:31,902 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:33:31,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:31" (1/1) ... [2018-11-23 00:33:31,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d0518e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:31, skipping insertion in model container [2018-11-23 00:33:31,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:31" (1/1) ... [2018-11-23 00:33:31,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:33:31,932 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:33:32,090 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:33:32,096 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:33:32,118 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:33:32,138 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:33:32,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:32 WrapperNode [2018-11-23 00:33:32,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:33:32,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:33:32,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:33:32,140 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:33:32,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:32" (1/1) ... [2018-11-23 00:33:32,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:32" (1/1) ... [2018-11-23 00:33:32,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:33:32,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:33:32,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:33:32,170 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:33:32,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:32" (1/1) ... [2018-11-23 00:33:32,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:32" (1/1) ... [2018-11-23 00:33:32,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:32" (1/1) ... [2018-11-23 00:33:32,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:32" (1/1) ... [2018-11-23 00:33:32,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:32" (1/1) ... [2018-11-23 00:33:32,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:32" (1/1) ... [2018-11-23 00:33:32,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:32" (1/1) ... [2018-11-23 00:33:32,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:33:32,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:33:32,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:33:32,197 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:33:32,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/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 [2018-11-23 00:33:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:33:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 00:33:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:33:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:33:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 00:33:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-23 00:33:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-23 00:33:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 00:33:32,577 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:33:32,577 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-11-23 00:33:32,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:32 BoogieIcfgContainer [2018-11-23 00:33:32,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:33:32,578 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:33:32,578 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:33:32,585 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:33:32,585 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:32" (1/1) ... [2018-11-23 00:33:32,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:33:32,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:33:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-23 00:33:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-23 00:33:32,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 00:33:32,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:33:32,652 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 00:33:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:33:32,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:33:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:33:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:33:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-11-23 00:33:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-23 00:33:32,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 00:33:32,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:33:32,696 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 00:33:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:33:32,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:33:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:33:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:33:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2018-11-23 00:33:32,878 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-23 00:33:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 00:33:32,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:33:32,880 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 00:33:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:33:32,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:33:32,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 00:33:33,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:33:33,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2018-11-23 00:33:33,072 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-11-23 00:33:33,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:33:33,072 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-23 00:33:33,080 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:33:33,102 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:33:33,106 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:33:33,106 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:33:33,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:33:33 ImpRootNode [2018-11-23 00:33:33,106 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:33:33,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:33:33,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:33:33,107 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:33:33,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:32" (3/4) ... [2018-11-23 00:33:33,110 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:33:33,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2018-11-23 00:33:33,118 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 00:33:33,119 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 00:33:33,119 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:33:33,154 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5303bb08-beb3-4c57-ba65-80232d2981d8/bin-2019/ukojak/witness.graphml [2018-11-23 00:33:33,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:33:33,155 INFO L168 Benchmark]: Toolchain (without parser) took 1259.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -91.2 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:33,157 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:33:33,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.02 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:33,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.05 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:33:33,157 INFO L168 Benchmark]: Boogie Preprocessor took 26.64 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:33:33,158 INFO L168 Benchmark]: RCFGBuilder took 381.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:33,158 INFO L168 Benchmark]: CodeCheck took 528.16 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: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:33,158 INFO L168 Benchmark]: Witness Printer took 48.23 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:33,160 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, 88 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s 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, 1575 SizeOfPredicates, 19 NumberOfNonLiveVariables, 125 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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: 65]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 241.02 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.05 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.64 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 381.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * CodeCheck took 528.16 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: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * Witness Printer took 48.23 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...