./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-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_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/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 70ee165c745ab937eeca69bc762f66bcb3efe6fa .................................................................................................................................................................................................................................... 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_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/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 70ee165c745ab937eeca69bc762f66bcb3efe6fa ............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:58:43,798 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:58:43,800 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:58:43,810 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:58:43,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:58:43,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:58:43,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:58:43,814 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:58:43,816 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:58:43,817 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:58:43,818 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:58:43,818 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:58:43,819 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:58:43,820 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:58:43,821 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:58:43,822 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:58:43,823 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:58:43,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:58:43,827 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:58:43,828 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:58:43,829 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:58:43,831 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:58:43,833 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:58:43,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:58:43,834 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:58:43,835 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:58:43,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:58:43,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:58:43,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:58:43,839 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:58:43,839 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:58:43,840 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:58:43,840 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:58:43,841 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:58:43,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:58:43,842 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:58:43,843 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:58:43,856 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:58:43,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:58:43,857 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:58:43,857 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:58:43,858 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:58:43,858 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:58:43,858 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:58:43,859 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:58:43,859 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:58:43,859 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:58:43,860 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:58:43,860 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:58:43,861 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:58:43,861 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:58:43,861 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:58:43,861 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:58:43,861 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:58:43,861 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:58:43,862 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:58:43,862 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:58:43,862 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:58:43,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:58:43,862 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:58:43,862 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:58:43,863 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:58:43,863 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:58:43,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:58:43,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:58:43,863 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_d383d1aa-5f0e-4390-882f-2b960a48b03b/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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-10-26 19:58:43,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:58:43,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:58:43,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:58:43,913 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:58:43,913 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:58:43,914 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-10-26 19:58:43,976 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/data/28e8faf77/5ec861b041a14c2fbbf947f9f072187f/FLAG2871399f5 [2018-10-26 19:58:44,335 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:58:44,335 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-10-26 19:58:44,341 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/data/28e8faf77/5ec861b041a14c2fbbf947f9f072187f/FLAG2871399f5 [2018-10-26 19:58:44,353 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/data/28e8faf77/5ec861b041a14c2fbbf947f9f072187f [2018-10-26 19:58:44,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:58:44,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:58:44,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:58:44,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:58:44,363 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:58:44,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:58:44" (1/1) ... [2018-10-26 19:58:44,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77053e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44, skipping insertion in model container [2018-10-26 19:58:44,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:58:44" (1/1) ... [2018-10-26 19:58:44,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:58:44,395 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:58:44,535 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:58:44,538 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:58:44,555 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:58:44,574 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:58:44,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44 WrapperNode [2018-10-26 19:58:44,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:58:44,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:58:44,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:58:44,576 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:58:44,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44" (1/1) ... [2018-10-26 19:58:44,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44" (1/1) ... [2018-10-26 19:58:44,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:58:44,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:58:44,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:58:44,616 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:58:44,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44" (1/1) ... [2018-10-26 19:58:44,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44" (1/1) ... [2018-10-26 19:58:44,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44" (1/1) ... [2018-10-26 19:58:44,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44" (1/1) ... [2018-10-26 19:58:44,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44" (1/1) ... [2018-10-26 19:58:44,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44" (1/1) ... [2018-10-26 19:58:44,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44" (1/1) ... [2018-10-26 19:58:44,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:58:44,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:58:44,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:58:44,644 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:58:44,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/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 [2018-10-26 19:58:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 19:58:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 19:58:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 19:58:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:58:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:58:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 19:58:45,724 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:58:45,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:45 BoogieIcfgContainer [2018-10-26 19:58:45,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:58:45,725 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:58:45,725 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:58:45,735 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:58:45,736 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:45" (1/1) ... [2018-10-26 19:58:45,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:45,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:58:45,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-10-26 19:58:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-10-26 19:58:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 19:58:45,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:58:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:58:45,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-10-26 19:58:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-10-26 19:58:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 19:58:45,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:58:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:58:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:58:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:58:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:58:46,019 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 19:58:46,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:58:46 ImpRootNode [2018-10-26 19:58:46,048 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:58:46,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:58:46,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:58:46,049 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:58:46,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:45" (3/4) ... [2018-10-26 19:58:46,054 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 19:58:46,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:58:46,055 INFO L168 Benchmark]: Toolchain (without parser) took 1698.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:46,057 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-10-26 19:58:46,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:46,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.14 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:46,060 INFO L168 Benchmark]: Boogie Preprocessor took 27.20 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:58:46,061 INFO L168 Benchmark]: RCFGBuilder took 1081.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:46,062 INFO L168 Benchmark]: CodeCheck took 322.63 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:46,063 INFO L168 Benchmark]: Witness Printer took 6.22 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:46,068 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 39 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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: 40]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L35] float x = 0.0f / 0.0f; [L36] CALL, EXPR fabs_float(x) [L15] __uint32_t ix; [L17] FCALL ieee_float_shape_type gf_u; [L18] FCALL gf_u.value = (x) [L19] CALL, EXPR gf_u.word [L19] RET, EXPR gf_u.word [L19] (ix) = gf_u.word [L20] COND FALSE !(0) [L22] FCALL ieee_float_shape_type sf_u; [L23] FCALL sf_u.word = (ix & 0x7fffffff) [L24] CALL, EXPR sf_u.value [L24] RET, EXPR sf_u.value [L24] (x) = sf_u.value [L25] COND FALSE !(0) [L26] RET return x; [L36] EXPR fabs_float(x) [L36] float res = fabs_float(x); [L39] CALL, EXPR isnan_float(res) [L12] RET return x != x; [L39] EXPR isnan_float(res) [L39] COND TRUE !isnan_float(res) [L40] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 216.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.14 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.20 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1081.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * CodeCheck took 322.63 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.22 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: 2.7 MB). Peak memory consumption was 2.7 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 [2018-10-26 19:58:48,178 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:58:48,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:58:48,190 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:58:48,190 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:58:48,191 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:58:48,192 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:58:48,194 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:58:48,196 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:58:48,197 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:58:48,198 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:58:48,198 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:58:48,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:58:48,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:58:48,201 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:58:48,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:58:48,203 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:58:48,205 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:58:48,207 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:58:48,208 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:58:48,209 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:58:48,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:58:48,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:58:48,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:58:48,214 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:58:48,215 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:58:48,216 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:58:48,217 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:58:48,218 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:58:48,219 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:58:48,219 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:58:48,220 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:58:48,220 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:58:48,221 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:58:48,222 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:58:48,222 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:58:48,223 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 19:58:48,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:58:48,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:58:48,238 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:58:48,239 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:58:48,240 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:58:48,240 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:58:48,240 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:58:48,240 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:58:48,241 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:58:48,241 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:58:48,241 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:58:48,241 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:58:48,242 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:58:48,242 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 19:58:48,242 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 19:58:48,242 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:58:48,242 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:58:48,243 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:58:48,243 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:58:48,245 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:58:48,245 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:58:48,245 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:58:48,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:58:48,246 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:58:48,246 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:58:48,246 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:58:48,246 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 19:58:48,247 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 19:58:48,247 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:58:48,247 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 19:58:48,247 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 19:58:48,247 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_d383d1aa-5f0e-4390-882f-2b960a48b03b/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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-10-26 19:58:48,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:58:48,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:58:48,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:58:48,306 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:58:48,307 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:58:48,307 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-10-26 19:58:48,366 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/data/5d7278766/f945a5e43ce84d98b30dfef43f6a27a6/FLAG771d852d4 [2018-10-26 19:58:48,760 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:58:48,760 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-10-26 19:58:48,767 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/data/5d7278766/f945a5e43ce84d98b30dfef43f6a27a6/FLAG771d852d4 [2018-10-26 19:58:48,779 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/data/5d7278766/f945a5e43ce84d98b30dfef43f6a27a6 [2018-10-26 19:58:48,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:58:48,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:58:48,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:58:48,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:58:48,790 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:58:48,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:58:48" (1/1) ... [2018-10-26 19:58:48,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5327f639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:48, skipping insertion in model container [2018-10-26 19:58:48,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:58:48" (1/1) ... [2018-10-26 19:58:48,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:58:48,830 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:58:49,043 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:58:49,050 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:58:49,073 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:58:49,094 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:58:49,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:49 WrapperNode [2018-10-26 19:58:49,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:58:49,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:58:49,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:58:49,096 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:58:49,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:49" (1/1) ... [2018-10-26 19:58:49,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:49" (1/1) ... [2018-10-26 19:58:49,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:58:49,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:58:49,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:58:49,130 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:58:49,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:49" (1/1) ... [2018-10-26 19:58:49,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:49" (1/1) ... [2018-10-26 19:58:49,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:49" (1/1) ... [2018-10-26 19:58:49,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:49" (1/1) ... [2018-10-26 19:58:49,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:49" (1/1) ... [2018-10-26 19:58:49,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:49" (1/1) ... [2018-10-26 19:58:49,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:49" (1/1) ... [2018-10-26 19:58:49,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:58:49,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:58:49,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:58:49,156 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:58:49,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/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 [2018-10-26 19:58:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 19:58:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:58:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:58:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-26 19:58:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 19:58:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 19:58:49,438 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:49,459 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:49,973 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:58:49,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:49 BoogieIcfgContainer [2018-10-26 19:58:49,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:58:49,974 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:58:49,974 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:58:49,988 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:58:49,989 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:49" (1/1) ... [2018-10-26 19:58:50,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:58:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-10-26 19:58:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-10-26 19:58:50,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 19:58:50,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:58:50,087 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 19:58:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:50,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:58:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:58:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-10-26 19:58:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-10-26 19:58:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 19:58:50,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:58:50,151 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 19:58:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:50,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:58:50,621 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 3 [2018-10-26 19:58:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:50,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:58:50,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-10-26 19:58:50,822 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-10-26 19:58:50,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:58:50,823 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-10-26 19:58:50,831 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 19:58:50,847 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:58:50,849 INFO L582 CodeCheckObserver]: Invariant with dag size 5 [2018-10-26 19:58:50,854 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:58:50,856 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:58:50,857 INFO L582 CodeCheckObserver]: Invariant with dag size 5 [2018-10-26 19:58:50,857 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:58:50,857 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:58:50,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:58:50 ImpRootNode [2018-10-26 19:58:50,858 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:58:50,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:58:50,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:58:50,859 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:58:50,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:49" (3/4) ... [2018-10-26 19:58:50,868 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:58:50,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-10-26 19:58:50,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-10-26 19:58:50,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-26 19:58:50,879 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 19:58:50,929 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d383d1aa-5f0e-4390-882f-2b960a48b03b/bin-2019/ukojak/witness.graphml [2018-10-26 19:58:50,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:58:50,930 INFO L168 Benchmark]: Toolchain (without parser) took 2146.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:50,932 INFO L168 Benchmark]: CDTParser took 0.57 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. [2018-10-26 19:58:50,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.15 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:50,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.74 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:50,933 INFO L168 Benchmark]: Boogie Preprocessor took 24.82 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:58:50,934 INFO L168 Benchmark]: RCFGBuilder took 818.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:50,934 INFO L168 Benchmark]: CodeCheck took 883.67 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:50,936 INFO L168 Benchmark]: Witness Printer took 71.26 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:50,940 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 29 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 8 SDslu, 8 SDs, 0 SdLazy, 32 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 12 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 40]: 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: 29]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant [2018-10-26 19:58:50,941 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:58:50,942 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ~fp.div~FLOAT(RoundingMode_RNE, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 16]: Loop Invariant [2018-10-26 19:58:50,942 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 19:58:50,946 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ~fp.div~FLOAT(RoundingMode_RNE, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 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 310.15 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.8 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 33.74 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.82 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 818.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * CodeCheck took 883.67 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 71.26 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE RESULT: Ultimate proved your program to be correct! Received shutdown request...