./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/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 36a0a55241cede481b157c1ab9f348d708a5b166 ........................................................................................................................................................................................................................................................ 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_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/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 36a0a55241cede481b157c1ab9f348d708a5b166 ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:54:11,584 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:54:11,585 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:54:11,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:54:11,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:54:11,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:54:11,593 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:54:11,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:54:11,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:54:11,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:54:11,596 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:54:11,596 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:54:11,597 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:54:11,597 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:54:11,598 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:54:11,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:54:11,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:54:11,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:54:11,601 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:54:11,602 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:54:11,603 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:54:11,603 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:54:11,605 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:54:11,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:54:11,605 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:54:11,606 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:54:11,606 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:54:11,607 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:54:11,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:54:11,608 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:54:11,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:54:11,609 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:54:11,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:54:11,609 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:54:11,611 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:54:11,611 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:54:11,611 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:54:11,618 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:54:11,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:54:11,619 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:54:11,619 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:54:11,620 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:54:11,620 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:54:11,620 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:54:11,620 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:54:11,620 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:54:11,620 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:54:11,621 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:54:11,621 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:54:11,621 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:54:11,621 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:54:11,621 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:54:11,621 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:54:11,621 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:54:11,622 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:54:11,622 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:54:11,622 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:54:11,623 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:54:11,624 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:54:11,624 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:54:11,624 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:54:11,624 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:54:11,624 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:54:11,624 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:54:11,624 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:54:11,625 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_6b3a9170-7a73-455e-87de-fa38b153ac74/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 -> 36a0a55241cede481b157c1ab9f348d708a5b166 [2018-11-10 07:54:11,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:54:11,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:54:11,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:54:11,662 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:54:11,662 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:54:11,663 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-11-10 07:54:11,705 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/data/6e61bd862/688b285ba1c94c5693b15931a2819997/FLAG6b4abba98 [2018-11-10 07:54:12,104 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:54:12,105 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-11-10 07:54:12,109 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/data/6e61bd862/688b285ba1c94c5693b15931a2819997/FLAG6b4abba98 [2018-11-10 07:54:12,119 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/data/6e61bd862/688b285ba1c94c5693b15931a2819997 [2018-11-10 07:54:12,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:54:12,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:54:12,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:54:12,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:54:12,125 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:54:12,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f88e674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12, skipping insertion in model container [2018-11-10 07:54:12,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:54:12,147 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:54:12,256 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:54:12,257 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:54:12,274 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:54:12,287 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:54:12,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12 WrapperNode [2018-11-10 07:54:12,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:54:12,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:54:12,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:54:12,288 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:54:12,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:54:12,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:54:12,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:54:12,309 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:54:12,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:54:12,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:54:12,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:54:12,326 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:54:12,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/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 [2018-11-10 07:54:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-10 07:54:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-10 07:54:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:54:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 07:54:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:54:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:54:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 07:54:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 07:54:12,771 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:54:12,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:54:12 BoogieIcfgContainer [2018-11-10 07:54:12,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:54:12,772 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:54:12,772 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:54:12,779 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:54:12,779 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:54:12" (1/1) ... [2018-11-10 07:54:12,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:54:12,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:54:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-10 07:54:12,811 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-10 07:54:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 07:54:12,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:54:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:54:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:54:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:54:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-11-10 07:54:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-10 07:54:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 07:54:12,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:54:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:54:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:54:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:54:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:54:12,998 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 07:54:13,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:54:13 ImpRootNode [2018-11-10 07:54:13,023 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:54:13,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:54:13,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:54:13,023 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:54:13,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:54:12" (3/4) ... [2018-11-10 07:54:13,026 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:54:13,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:54:13,027 INFO L168 Benchmark]: Toolchain (without parser) took 904.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -101.3 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:54:13,028 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:54:13,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.22 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:54:13,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.74 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:54:13,029 INFO L168 Benchmark]: Boogie Preprocessor took 16.07 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:54:13,030 INFO L168 Benchmark]: RCFGBuilder took 446.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:54:13,030 INFO L168 Benchmark]: CodeCheck took 250.92 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:54:13,031 INFO L168 Benchmark]: Witness Printer took 3.13 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:54:13,033 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, 47 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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: 70]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someUnaryFLOAToperation at line 64. Possible FailurePath: [L64] float x = -0.0f; [L65] float y = 0.0f; [L66] CALL, EXPR fmin_float(x, y) [L36] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L13] __uint32_t w; VAL [\old(x)=1, x=1] [L16] FCALL ieee_float_shape_type gf_u; [L17] FCALL gf_u.value = (x) [L18] EXPR, FCALL gf_u.word [L18] (w) = gf_u.word [L19] COND FALSE !(0) VAL [\old(x)=1, w=2139095041, x=1] [L21] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L23-L24] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L26-L27] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L29] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L32] RET return 0; [L36] EXPR __fpclassify_float(x) [L36] COND TRUE __fpclassify_float(x) == 0 [L37] RET return y; [L66] EXPR fmin_float(x, y) [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.22 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 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 21.74 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.07 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 446.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * CodeCheck took 250.92 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.13 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: 5.4 MB). Peak memory consumption was 5.4 MB. 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 0.1.23-1dbac8b [2018-11-10 07:54:14,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:54:14,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:54:14,435 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:54:14,435 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:54:14,436 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:54:14,437 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:54:14,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:54:14,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:54:14,439 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:54:14,439 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:54:14,439 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:54:14,440 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:54:14,441 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:54:14,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:54:14,443 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:54:14,443 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:54:14,444 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:54:14,446 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:54:14,447 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:54:14,448 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:54:14,449 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:54:14,450 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:54:14,450 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:54:14,450 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:54:14,451 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:54:14,452 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:54:14,452 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:54:14,453 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:54:14,453 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:54:14,454 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:54:14,455 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:54:14,455 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:54:14,455 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:54:14,455 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:54:14,456 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:54:14,456 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 07:54:14,467 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:54:14,467 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:54:14,468 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:54:14,468 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:54:14,468 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:54:14,469 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:54:14,469 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:54:14,469 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:54:14,469 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:54:14,469 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:54:14,469 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:54:14,469 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:54:14,469 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:54:14,470 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:54:14,470 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:54:14,471 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:54:14,471 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:54:14,471 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:54:14,471 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:54:14,471 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:54:14,472 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:54:14,472 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:54:14,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:54:14,472 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:54:14,472 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:54:14,472 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:54:14,472 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 07:54:14,473 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 07:54:14,473 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:54:14,473 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:54:14,473 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:54:14,473 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_6b3a9170-7a73-455e-87de-fa38b153ac74/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 -> 36a0a55241cede481b157c1ab9f348d708a5b166 [2018-11-10 07:54:14,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:54:14,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:54:14,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:54:14,519 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:54:14,519 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:54:14,520 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-11-10 07:54:14,564 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/data/81fd3e8e2/174443c8213d413fb883d04f84cf8007/FLAG643c4eb89 [2018-11-10 07:54:14,897 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:54:14,898 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-11-10 07:54:14,902 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/data/81fd3e8e2/174443c8213d413fb883d04f84cf8007/FLAG643c4eb89 [2018-11-10 07:54:14,910 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/data/81fd3e8e2/174443c8213d413fb883d04f84cf8007 [2018-11-10 07:54:14,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:54:14,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:54:14,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:54:14,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:54:14,917 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:54:14,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:54:14" (1/1) ... [2018-11-10 07:54:14,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d68c770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:14, skipping insertion in model container [2018-11-10 07:54:14,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:54:14" (1/1) ... [2018-11-10 07:54:14,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:54:14,942 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:54:15,061 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:54:15,065 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:54:15,083 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:54:15,102 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:54:15,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:15 WrapperNode [2018-11-10 07:54:15,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:54:15,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:54:15,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:54:15,103 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:54:15,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:15" (1/1) ... [2018-11-10 07:54:15,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:15" (1/1) ... [2018-11-10 07:54:15,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:54:15,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:54:15,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:54:15,131 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:54:15,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:15" (1/1) ... [2018-11-10 07:54:15,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:15" (1/1) ... [2018-11-10 07:54:15,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:15" (1/1) ... [2018-11-10 07:54:15,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:15" (1/1) ... [2018-11-10 07:54:15,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:15" (1/1) ... [2018-11-10 07:54:15,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:15" (1/1) ... [2018-11-10 07:54:15,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:15" (1/1) ... [2018-11-10 07:54:15,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:54:15,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:54:15,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:54:15,152 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:54:15,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:54:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/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 [2018-11-10 07:54:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-10 07:54:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-10 07:54:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:54:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 07:54:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:54:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:54:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 07:54:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 07:54:15,352 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:54:15,359 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:54:15,394 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:54:15,399 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:54:15,636 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:54:15,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:54:15 BoogieIcfgContainer [2018-11-10 07:54:15,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:54:15,637 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:54:15,637 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:54:15,643 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:54:15,643 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:54:15" (1/1) ... [2018-11-10 07:54:15,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:54:15,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:54:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-10 07:54:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-10 07:54:15,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:54:15,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:54:15,712 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 07:54:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:54:15,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:54:15,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:54:15,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:54:15,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-10 07:54:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-10 07:54:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 07:54:15,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:54:15,751 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 07:54:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:54:15,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:54:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:54:15,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:54:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-11-10 07:54:15,875 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-10 07:54:15,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 07:54:15,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:54:15,876 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 07:54:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:54:15,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:54:15,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:54:15,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:54:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-11-10 07:54:15,898 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-10 07:54:15,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 07:54:15,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:54:15,900 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 07:54:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:54:15,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:54:16,878 WARN L179 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 143 [2018-11-10 07:54:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:54:17,376 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-11-10 07:54:17,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:54:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2018-11-10 07:54:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-11-10 07:54:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 07:54:17,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:54:17,682 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 07:54:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:54:17,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:54:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 07:54:19,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:54:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 20 transitions. [2018-11-10 07:54:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-11-10 07:54:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 07:54:19,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:54:19,115 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 07:54:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:54:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:54:19,170 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-11-10 07:54:19,195 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 07:54:19,199 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 07:54:19,199 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 07:54:19,200 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 07:54:19,200 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 07:54:19,201 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 07:54:19,201 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 07:54:19,201 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 07:54:19,201 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 07:54:19,201 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 07:54:19,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:54:19 ImpRootNode [2018-11-10 07:54:19,207 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:54:19,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:54:19,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:54:19,208 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:54:19,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:54:15" (3/4) ... [2018-11-10 07:54:19,211 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 07:54:19,215 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 07:54:19,216 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 07:54:19,216 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 07:54:19,216 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 07:54:19,216 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 07:54:19,216 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 07:54:19,216 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 07:54:19,217 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 07:54:19,217 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 07:54:19,217 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 07:54:19,248 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6b3a9170-7a73-455e-87de-fa38b153ac74/bin-2019/ukojak/witness.graphml [2018-11-10 07:54:19,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:54:19,249 INFO L168 Benchmark]: Toolchain (without parser) took 4336.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:54:19,249 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-10 07:54:19,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 933.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:54:19,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.31 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:54:19,250 INFO L168 Benchmark]: Boogie Preprocessor took 20.74 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:54:19,251 INFO L168 Benchmark]: RCFGBuilder took 484.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:54:19,252 INFO L168 Benchmark]: CodeCheck took 3570.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.1 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:54:19,253 INFO L168 Benchmark]: Witness Printer took 41.14 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:54:19,256 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, 45 locations, 1 error locations. UNSAFE Result, 3.5s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 416 SolverSat, 148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 516 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 3 QuantifiedInterpolants, 15162 SizeOfPredicates, 22 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - CounterExampleResult [Line: 70]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L64] float x = -0.0f; [L65] float y = 0.0f; [L66] CALL, EXPR fmin_float(x, y) [L36] CALL, EXPR __fpclassify_float(x) [L13] __uint32_t w; [L16] FCALL ieee_float_shape_type gf_u; [L17] FCALL gf_u.value = (x) [L18] EXPR, FCALL gf_u.word [L18] (w) = gf_u.word [L19] COND FALSE !(0) VAL [w=2147483648] [L21] COND TRUE w == 0x00000000 || w == 0x80000000 [L22] RET return 2; [L36] EXPR __fpclassify_float(x) [L36] COND FALSE !(__fpclassify_float(x) == 0) [L38] CALL, EXPR __fpclassify_float(y) [L13] __uint32_t w; [L16] FCALL ieee_float_shape_type gf_u; [L17] FCALL gf_u.value = (x) [L18] EXPR, FCALL gf_u.word [L18] (w) = gf_u.word [L19] COND FALSE !(0) VAL [w=0] [L21] COND TRUE w == 0x00000000 || w == 0x80000000 [L22] RET return 2; [L38] EXPR __fpclassify_float(y) [L38] COND FALSE !(__fpclassify_float(y) == 0) [L41] COND FALSE, EXPR !(x < y ? x : y) [L41] RET return x < y ? x : y; [L66] EXPR fmin_float(x, y) [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 [L69] CALL, EXPR __signbit_float(res) [L45] __uint32_t w; [L48] FCALL ieee_float_shape_type gf_u; [L49] FCALL gf_u.value = (x) [L50] EXPR, FCALL gf_u.word [L50] (w) = gf_u.word [L51] COND FALSE !(0) [L53] RET return (w & 0x80000000) != 0; [L69] EXPR __signbit_float(res) [L69] EXPR res == -0.0f && __signbit_float(res) == 1 [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 189.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 933.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.31 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.74 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 484.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3570.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.1 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * Witness Printer took 41.14 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE RESULT: Ultimate proved your program to be incorrect! Received shutdown request...