./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i --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_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/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 0a5777cb7d0bbf0d840893f3aa39606f5237d830 .......................................................................................................................................................................................................... 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_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/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 0a5777cb7d0bbf0d840893f3aa39606f5237d830 ............................................................................................................................................................................................................................................................................................. 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 21:26:55,907 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:26:55,908 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:26:55,917 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:26:55,917 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:26:55,918 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:26:55,919 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:26:55,920 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:26:55,922 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:26:55,922 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:26:55,923 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:26:55,923 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:26:55,924 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:26:55,925 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:26:55,925 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:26:55,926 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:26:55,926 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:26:55,928 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:26:55,929 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:26:55,931 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:26:55,932 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:26:55,933 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:26:55,935 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:26:55,935 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:26:55,935 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:26:55,936 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:26:55,936 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:26:55,937 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:26:55,938 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:26:55,939 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:26:55,939 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:26:55,939 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:26:55,939 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:26:55,940 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:26:55,940 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:26:55,941 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:26:55,941 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:26:55,952 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:26:55,952 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:26:55,952 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:26:55,953 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:26:55,953 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:26:55,953 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:26:55,953 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:26:55,953 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:26:55,954 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:26:55,954 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:26:55,954 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:26:55,954 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:26:55,954 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:26:55,954 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:26:55,954 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:26:55,954 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:26:55,955 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:26:55,955 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:26:55,955 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:26:55,955 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:26:55,955 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:26:55,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:26:55,955 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:26:55,956 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:26:55,956 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:26:55,956 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:26:55,956 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:26:55,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:26:55,956 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_a9d18437-a498-4579-8867-2f839b5aa73f/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 -> 0a5777cb7d0bbf0d840893f3aa39606f5237d830 [2018-10-26 21:26:55,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:26:55,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:26:55,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:26:55,997 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:26:55,998 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:26:55,998 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-10-26 21:26:56,044 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/data/677a5ac73/b9dbb1631b8c4ad686950e0b1117c6ee/FLAG85760a504 [2018-10-26 21:26:56,407 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:26:56,408 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-10-26 21:26:56,413 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/data/677a5ac73/b9dbb1631b8c4ad686950e0b1117c6ee/FLAG85760a504 [2018-10-26 21:26:56,423 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/data/677a5ac73/b9dbb1631b8c4ad686950e0b1117c6ee [2018-10-26 21:26:56,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:26:56,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:26:56,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:26:56,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:26:56,430 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:26:56,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:26:56" (1/1) ... [2018-10-26 21:26:56,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501b0c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56, skipping insertion in model container [2018-10-26 21:26:56,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:26:56" (1/1) ... [2018-10-26 21:26:56,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:26:56,457 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:26:56,574 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:26:56,579 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:26:56,591 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:26:56,603 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:26:56,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56 WrapperNode [2018-10-26 21:26:56,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:26:56,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:26:56,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:26:56,604 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:26:56,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56" (1/1) ... [2018-10-26 21:26:56,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56" (1/1) ... [2018-10-26 21:26:56,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:26:56,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:26:56,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:26:56,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:26:56,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56" (1/1) ... [2018-10-26 21:26:56,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56" (1/1) ... [2018-10-26 21:26:56,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56" (1/1) ... [2018-10-26 21:26:56,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56" (1/1) ... [2018-10-26 21:26:56,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56" (1/1) ... [2018-10-26 21:26:56,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56" (1/1) ... [2018-10-26 21:26:56,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56" (1/1) ... [2018-10-26 21:26:56,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:26:56,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:26:56,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:26:56,639 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:26:56,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/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 21:26:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:26:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:26:57,227 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:26:57,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:26:57 BoogieIcfgContainer [2018-10-26 21:26:57,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:26:57,228 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:26:57,228 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:26:57,238 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:26:57,238 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:26:57" (1/1) ... [2018-10-26 21:26:57,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:26:57,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:26:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2018-10-26 21:26:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2018-10-26 21:26:57,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 21:26:57,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:26:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:26:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:26:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:26:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:26:57,412 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 21:26:57,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:26:57 ImpRootNode [2018-10-26 21:26:57,428 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:26:57,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:26:57,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:26:57,428 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:26:57,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:26:57" (3/4) ... [2018-10-26 21:26:57,432 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:26:57,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:26:57,433 INFO L168 Benchmark]: Toolchain (without parser) took 1007.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:26:57,434 INFO L168 Benchmark]: CDTParser took 0.16 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 21:26:57,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.49 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 949.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:26:57,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.44 ms. Allocated memory is still 1.0 GB. Free memory is still 949.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:26:57,436 INFO L168 Benchmark]: Boogie Preprocessor took 12.70 ms. Allocated memory is still 1.0 GB. Free memory was 949.9 MB in the beginning and 947.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:26:57,436 INFO L168 Benchmark]: RCFGBuilder took 588.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:26:57,437 INFO L168 Benchmark]: CodeCheck took 199.55 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:26:57,438 INFO L168 Benchmark]: Witness Printer took 4.09 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. [2018-10-26 21:26:57,440 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, 37 locations, 8 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: 13]: 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 3. Possible FailurePath: [L3] const float plus_infinity = 1.0f/0.0f; [L4] const float minus_infinity = 0.0f/-0.0f; [L5] const float NaN = 0.0f * (1.0f/0.0f); [L9] _Bool temp; [L12] temp = NaN < plus_infinity [L13] COND TRUE !(!temp) [L13] __VERIFIER_error() * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 176.49 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 949.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.44 ms. Allocated memory is still 1.0 GB. Free memory is still 949.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.70 ms. Allocated memory is still 1.0 GB. Free memory was 949.9 MB in the beginning and 947.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 588.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * CodeCheck took 199.55 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.09 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 0.1.23-1dbac8b [2018-10-26 21:26:59,174 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:26:59,176 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:26:59,185 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:26:59,185 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:26:59,185 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:26:59,186 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:26:59,187 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:26:59,189 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:26:59,189 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:26:59,190 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:26:59,191 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:26:59,191 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:26:59,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:26:59,193 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:26:59,194 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:26:59,195 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:26:59,196 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:26:59,198 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:26:59,199 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:26:59,200 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:26:59,201 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:26:59,203 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:26:59,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:26:59,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:26:59,204 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:26:59,204 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:26:59,205 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:26:59,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:26:59,207 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:26:59,207 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:26:59,208 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:26:59,208 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:26:59,208 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:26:59,209 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:26:59,210 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:26:59,210 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 21:26:59,223 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:26:59,223 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:26:59,223 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:26:59,224 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:26:59,224 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:26:59,224 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:26:59,224 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:26:59,225 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:26:59,225 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:26:59,225 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:26:59,225 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:26:59,225 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:26:59,225 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:26:59,226 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:26:59,226 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:26:59,226 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:26:59,226 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:26:59,226 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:26:59,226 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:26:59,226 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:26:59,227 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:26:59,227 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:26:59,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:26:59,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:26:59,227 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:26:59,227 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:26:59,228 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 21:26:59,228 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:26:59,228 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:26:59,228 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:26:59,228 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:26:59,228 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_a9d18437-a498-4579-8867-2f839b5aa73f/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 -> 0a5777cb7d0bbf0d840893f3aa39606f5237d830 [2018-10-26 21:26:59,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:26:59,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:26:59,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:26:59,280 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:26:59,280 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:26:59,281 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-10-26 21:26:59,320 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/data/b895d96d8/35349dab504149abaef5e810c9cf741c/FLAG25335ae58 [2018-10-26 21:26:59,713 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:26:59,715 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-10-26 21:26:59,720 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/data/b895d96d8/35349dab504149abaef5e810c9cf741c/FLAG25335ae58 [2018-10-26 21:26:59,734 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/data/b895d96d8/35349dab504149abaef5e810c9cf741c [2018-10-26 21:26:59,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:26:59,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:26:59,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:26:59,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:26:59,743 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:26:59,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:26:59" (1/1) ... [2018-10-26 21:26:59,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae54847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59, skipping insertion in model container [2018-10-26 21:26:59,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:26:59" (1/1) ... [2018-10-26 21:26:59,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:26:59,771 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:26:59,900 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:26:59,907 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:26:59,922 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:26:59,934 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:26:59,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59 WrapperNode [2018-10-26 21:26:59,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:26:59,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:26:59,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:26:59,935 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:26:59,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59" (1/1) ... [2018-10-26 21:26:59,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59" (1/1) ... [2018-10-26 21:26:59,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:26:59,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:26:59,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:26:59,963 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:26:59,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59" (1/1) ... [2018-10-26 21:26:59,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59" (1/1) ... [2018-10-26 21:26:59,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59" (1/1) ... [2018-10-26 21:26:59,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59" (1/1) ... [2018-10-26 21:26:59,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59" (1/1) ... [2018-10-26 21:26:59,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59" (1/1) ... [2018-10-26 21:26:59,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59" (1/1) ... [2018-10-26 21:26:59,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:26:59,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:26:59,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:26:59,981 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:26:59,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:26:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/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 21:27:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:27:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:27:00,466 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:27:00,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:27:00 BoogieIcfgContainer [2018-10-26 21:27:00,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:27:00,467 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:27:00,467 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:27:00,476 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:27:00,477 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:27:00" (1/1) ... [2018-10-26 21:27:00,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:27:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2018-10-26 21:27:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2018-10-26 21:27:00,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 21:27:00,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:00,561 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:27:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:00,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:27:00,641 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 21:27:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2018-10-26 21:27:00,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2018-10-26 21:27:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 21:27:00,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:00,665 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:27:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:00,670 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:27:00,730 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 21:27:01,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-10-26 21:27:01,125 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-10-26 21:27:01,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 21:27:01,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:01,126 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:27:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:01,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:27:01,183 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 21:27:01,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2018-10-26 21:27:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-10-26 21:27:01,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 21:27:01,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:01,654 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:27:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:01,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:27:01,709 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 21:27:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2018-10-26 21:27:02,020 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2018-10-26 21:27:02,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 21:27:02,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:02,021 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:27:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:02,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:27:02,086 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 21:27:02,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:02,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2018-10-26 21:27:02,124 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-10-26 21:27:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 21:27:02,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:02,125 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:27:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:02,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:27:02,157 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 21:27:02,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-10-26 21:27:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-10-26 21:27:02,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 21:27:02,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:02,208 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:27:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:02,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:27:02,247 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 21:27:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-10-26 21:27:02,290 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-10-26 21:27:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 21:27:02,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:02,291 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:27:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:02,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:27:02,327 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 21:27:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 18 states and 17 transitions. [2018-10-26 21:27:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-10-26 21:27:02,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:27:02,360 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-10-26 21:27:02,367 INFO L778 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-10-26 21:27:02,434 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:27:02,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:27:02 ImpRootNode [2018-10-26 21:27:02,436 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:27:02,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:27:02,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:27:02,437 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:27:02,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:27:00" (3/4) ... [2018-10-26 21:27:02,440 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:27:02,449 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 21:27:02,449 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 21:27:02,449 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 21:27:02,491 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9d18437-a498-4579-8867-2f839b5aa73f/bin-2019/ukojak/witness.graphml [2018-10-26 21:27:02,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:27:02,492 INFO L168 Benchmark]: Toolchain (without parser) took 2754.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -95.9 MB). Peak memory consumption was 77.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:02,493 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:27:02,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 195.75 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:02,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.19 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:02,494 INFO L168 Benchmark]: Boogie Preprocessor took 17.43 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:27:02,494 INFO L168 Benchmark]: RCFGBuilder took 485.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -213.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:02,495 INFO L168 Benchmark]: CodeCheck took 1968.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:02,495 INFO L168 Benchmark]: Witness Printer took 54.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:02,497 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, 37 locations, 8 error locations. SAFE Result, 1.8s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 382 SDtfs, 648 SDslu, 0 SDs, 0 SdLazy, 3478 SolverSat, 1370 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 520 SyntacticMatches, 14 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 6204 SizeOfPredicates, 16 NumberOfNonLiveVariables, 120 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 28]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 34]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 25]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 195.75 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 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 28.19 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.43 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 485.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -213.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * CodeCheck took 1968.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 11.5 GB. * Witness Printer took 54.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...