./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/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 e96842f9a03cb3c7d57e4720c2380ee270a08502 ............................................................................................................................................................................................................. 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_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/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 e96842f9a03cb3c7d57e4720c2380ee270a08502 ............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:00:55,793 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:00:55,795 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:00:55,801 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:00:55,801 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:00:55,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:00:55,803 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:00:55,804 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:00:55,805 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:00:55,805 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:00:55,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:00:55,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:00:55,807 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:00:55,807 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:00:55,808 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:00:55,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:00:55,809 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:00:55,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:00:55,812 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:00:55,813 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:00:55,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:00:55,814 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:00:55,815 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:00:55,816 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:00:55,816 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:00:55,817 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:00:55,817 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:00:55,818 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:00:55,818 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:00:55,819 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:00:55,819 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:00:55,820 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:00:55,820 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:00:55,820 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:00:55,821 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:00:55,821 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:00:55,821 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:00:55,831 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:00:55,831 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:00:55,832 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:00:55,832 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:00:55,832 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:00:55,833 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:00:55,833 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:00:55,833 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:00:55,833 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:00:55,833 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:00:55,833 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:00:55,833 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:00:55,833 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:00:55,834 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:00:55,834 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:00:55,834 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:00:55,834 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:00:55,834 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:00:55,834 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:00:55,834 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:00:55,834 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:00:55,834 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:00:55,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:00:55,834 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:00:55,834 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:00:55,835 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:00:55,835 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:00:55,835 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:00:55,835 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:00:55,835 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_6c72a754-0207-43e9-a7a0-65890a2fc501/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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2018-11-18 10:00:55,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:00:55,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:00:55,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:00:55,870 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:00:55,871 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:00:55,871 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-11-18 10:00:55,906 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/data/ea2566818/2b272ce27bc24956bfd631eea351c888/FLAG3ec035018 [2018-11-18 10:00:56,296 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:00:56,296 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-11-18 10:00:56,300 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/data/ea2566818/2b272ce27bc24956bfd631eea351c888/FLAG3ec035018 [2018-11-18 10:00:56,308 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/data/ea2566818/2b272ce27bc24956bfd631eea351c888 [2018-11-18 10:00:56,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:00:56,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:00:56,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:00:56,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:00:56,315 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:00:56,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411459c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56, skipping insertion in model container [2018-11-18 10:00:56,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:00:56,335 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:00:56,430 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:00:56,433 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:00:56,445 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:00:56,452 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:00:56,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56 WrapperNode [2018-11-18 10:00:56,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:00:56,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:00:56,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:00:56,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:00:56,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:00:56,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:00:56,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:00:56,472 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:00:56,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:00:56,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:00:56,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:00:56,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:00:56,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/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 [2018-11-18 10:00:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:00:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:00:56,671 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:00:56,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:00:56 BoogieIcfgContainer [2018-11-18 10:00:56,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:00:56,672 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:00:56,672 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:00:56,679 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:00:56,680 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:00:56" (1/1) ... [2018-11-18 10:00:56,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:00:56,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:00:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 10:00:56,710 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 10:00:56,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 10:00:56,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:00:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:56,800 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 10:00:56,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:00:56 ImpRootNode [2018-11-18 10:00:56,816 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:00:56,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:00:56,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:00:56,817 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:00:56,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:00:56" (3/4) ... [2018-11-18 10:00:56,820 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 10:00:56,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:00:56,821 INFO L168 Benchmark]: Toolchain (without parser) took 510.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:00:56,822 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:00:56,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.81 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:00:56,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.39 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:00:56,824 INFO L168 Benchmark]: Boogie Preprocessor took 45.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:00:56,825 INFO L168 Benchmark]: RCFGBuilder took 154.41 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: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:00:56,825 INFO L168 Benchmark]: CodeCheck took 143.86 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:00:56,825 INFO L168 Benchmark]: Witness Printer took 4.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:00:56,828 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, 9 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x, y, z, r; [L10] x = 1e7f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L14] CALL __VERIFIER_assert(r == 2.f) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.81 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 18.39 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 154.41 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: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * CodeCheck took 143.86 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 10:00:58,279 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:00:58,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:00:58,289 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:00:58,289 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:00:58,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:00:58,290 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:00:58,291 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:00:58,292 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:00:58,293 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:00:58,294 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:00:58,294 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:00:58,294 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:00:58,295 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:00:58,296 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:00:58,296 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:00:58,297 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:00:58,298 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:00:58,299 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:00:58,300 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:00:58,301 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:00:58,301 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:00:58,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:00:58,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:00:58,303 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:00:58,304 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:00:58,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:00:58,305 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:00:58,306 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:00:58,306 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:00:58,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:00:58,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:00:58,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:00:58,307 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:00:58,308 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:00:58,308 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:00:58,309 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 10:00:58,319 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:00:58,319 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:00:58,319 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:00:58,319 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:00:58,320 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:00:58,320 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:00:58,320 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:00:58,320 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:00:58,321 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:00:58,321 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:00:58,321 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:00:58,321 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:00:58,321 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:00:58,321 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 10:00:58,321 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 10:00:58,321 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:00:58,322 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:00:58,322 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:00:58,322 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:00:58,322 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:00:58,322 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:00:58,322 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:00:58,322 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:00:58,322 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:00:58,323 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:00:58,323 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:00:58,323 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:00:58,323 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 10:00:58,323 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 10:00:58,323 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:00:58,323 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 10:00:58,324 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 10:00:58,324 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_6c72a754-0207-43e9-a7a0-65890a2fc501/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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2018-11-18 10:00:58,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:00:58,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:00:58,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:00:58,365 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:00:58,365 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:00:58,366 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-11-18 10:00:58,402 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/data/53f0ba5cb/0dd64ed173a54d95a6a13976d2dec4a6/FLAG827adc983 [2018-11-18 10:00:58,801 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:00:58,801 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-11-18 10:00:58,805 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/data/53f0ba5cb/0dd64ed173a54d95a6a13976d2dec4a6/FLAG827adc983 [2018-11-18 10:00:58,813 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/data/53f0ba5cb/0dd64ed173a54d95a6a13976d2dec4a6 [2018-11-18 10:00:58,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:00:58,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:00:58,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:00:58,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:00:58,820 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:00:58,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:00:58" (1/1) ... [2018-11-18 10:00:58,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119b503f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58, skipping insertion in model container [2018-11-18 10:00:58,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:00:58" (1/1) ... [2018-11-18 10:00:58,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:00:58,840 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:00:58,946 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:00:58,951 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:00:58,959 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:00:58,968 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:00:58,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58 WrapperNode [2018-11-18 10:00:58,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:00:58,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:00:58,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:00:58,969 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:00:58,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58" (1/1) ... [2018-11-18 10:00:58,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58" (1/1) ... [2018-11-18 10:00:58,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:00:58,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:00:58,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:00:58,988 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:00:58,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58" (1/1) ... [2018-11-18 10:00:58,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58" (1/1) ... [2018-11-18 10:00:58,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58" (1/1) ... [2018-11-18 10:00:58,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58" (1/1) ... [2018-11-18 10:00:58,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58" (1/1) ... [2018-11-18 10:00:58,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58" (1/1) ... [2018-11-18 10:00:59,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58" (1/1) ... [2018-11-18 10:00:59,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:00:59,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:00:59,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:00:59,002 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:00:59,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:00:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/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 [2018-11-18 10:00:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:00:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:00:59,185 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:00:59,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:00:59 BoogieIcfgContainer [2018-11-18 10:00:59,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:00:59,186 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:00:59,186 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:00:59,193 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:00:59,194 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:00:59" (1/1) ... [2018-11-18 10:00:59,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:00:59,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:00:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 10:00:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 10:00:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 10:00:59,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:00:59,255 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 10:00:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:00:59,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:00:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:01:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:00,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-18 10:01:00,266 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-18 10:01:00,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:01:00,266 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-18 10:01:00,274 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:01:00,287 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:01:00,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:01:00 ImpRootNode [2018-11-18 10:01:00,289 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:01:00,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:01:00,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:01:00,289 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:01:00,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:00:59" (3/4) ... [2018-11-18 10:01:00,292 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:01:00,299 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:01:00,299 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 10:01:00,299 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:01:00,325 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6c72a754-0207-43e9-a7a0-65890a2fc501/bin-2019/ukojak/witness.graphml [2018-11-18 10:01:00,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:01:00,326 INFO L168 Benchmark]: Toolchain (without parser) took 1509.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 233.5 kB. Max. memory is 11.5 GB. [2018-11-18 10:01:00,327 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-18 10:01:00,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.86 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:00,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.80 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:00,328 INFO L168 Benchmark]: Boogie Preprocessor took 13.44 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. [2018-11-18 10:01:00,329 INFO L168 Benchmark]: RCFGBuilder took 183.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:00,329 INFO L168 Benchmark]: CodeCheck took 1103.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:00,330 INFO L168 Benchmark]: Witness Printer took 36.40 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:00,332 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, 9 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10 ConjunctsInSsa, 7 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 - PositiveResult [Line: 4]: 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: 4]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.86 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 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 18.80 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.44 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 183.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * CodeCheck took 1103.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Witness Printer took 36.40 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...