./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i --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_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/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 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 ............................................................................................................................................................................................................... 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_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/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 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 ............................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:14:57,318 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:14:57,319 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:14:57,328 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:14:57,328 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:14:57,329 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:14:57,330 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:14:57,331 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:14:57,333 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:14:57,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:14:57,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:14:57,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:14:57,335 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:14:57,336 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:14:57,337 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:14:57,338 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:14:57,339 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:14:57,341 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:14:57,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:14:57,344 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:14:57,345 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:14:57,346 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:14:57,348 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:14:57,348 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:14:57,349 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:14:57,349 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:14:57,351 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:14:57,351 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:14:57,352 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:14:57,353 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:14:57,353 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:14:57,354 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:14:57,354 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:14:57,354 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:14:57,355 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:14:57,355 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:14:57,356 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:14:57,367 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:14:57,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:14:57,369 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:14:57,369 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:14:57,369 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:14:57,369 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:14:57,370 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:14:57,370 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:14:57,370 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:14:57,370 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:14:57,370 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:14:57,370 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:14:57,371 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:14:57,371 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:14:57,371 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:14:57,371 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:14:57,371 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:14:57,371 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:14:57,372 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:14:57,372 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:14:57,372 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:14:57,374 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:14:57,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:14:57,374 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:14:57,374 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:14:57,374 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:14:57,375 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:14:57,375 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:14:57,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:14:57,375 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_560ac691-953c-41cd-87cf-1ef0251a374c/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 -> 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 [2018-11-18 11:14:57,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:14:57,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:14:57,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:14:57,416 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:14:57,417 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:14:57,417 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/../../sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i [2018-11-18 11:14:57,465 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/data/5d4d3566e/f41b9b1980ee4119a0bae503fe34e191/FLAG7271a6faf [2018-11-18 11:14:57,814 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:14:57,815 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i [2018-11-18 11:14:57,820 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/data/5d4d3566e/f41b9b1980ee4119a0bae503fe34e191/FLAG7271a6faf [2018-11-18 11:14:58,238 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/data/5d4d3566e/f41b9b1980ee4119a0bae503fe34e191 [2018-11-18 11:14:58,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:14:58,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:14:58,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:14:58,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:14:58,246 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:14:58,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d761c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58, skipping insertion in model container [2018-11-18 11:14:58,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:14:58,268 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:14:58,399 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:14:58,401 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:14:58,411 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:14:58,421 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:14:58,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58 WrapperNode [2018-11-18 11:14:58,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:14:58,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:14:58,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:14:58,422 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:14:58,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:14:58,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:14:58,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:14:58,443 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:14:58,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:14:58,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:14:58,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:14:58,454 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:14:58,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:14:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/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 11:14:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:14:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:14:58,657 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:14:58,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:14:58 BoogieIcfgContainer [2018-11-18 11:14:58,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:14:58,658 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:14:58,658 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:14:58,665 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:14:58,665 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:14:58" (1/1) ... [2018-11-18 11:14:58,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:14:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:14:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 11:14:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 11:14:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 11:14:58,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:14:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:14:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:14:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:14:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:14:58,782 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 11:14:58,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:14:58 ImpRootNode [2018-11-18 11:14:58,794 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:14:58,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:14:58,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:14:58,795 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:14:58,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:14:58" (3/4) ... [2018-11-18 11:14:58,798 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:14:58,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:14:58,799 INFO L168 Benchmark]: Toolchain (without parser) took 557.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 954.3 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:14:58,800 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:14:58,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.91 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 943.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:14:58,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.58 ms. Allocated memory is still 1.0 GB. Free memory was 943.5 MB in the beginning and 940.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:14:58,801 INFO L168 Benchmark]: Boogie Preprocessor took 11.43 ms. Allocated memory is still 1.0 GB. Free memory is still 940.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:14:58,802 INFO L168 Benchmark]: RCFGBuilder took 203.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:14:58,802 INFO L168 Benchmark]: CodeCheck took 136.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:14:58,803 INFO L168 Benchmark]: Witness Printer took 3.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:14:58,809 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: 15]: 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 12. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L14] COND TRUE !(result >= 0.0f && result < 1.398f) [L15] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 178.91 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 943.5 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 20.58 ms. Allocated memory is still 1.0 GB. Free memory was 943.5 MB in the beginning and 940.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.43 ms. Allocated memory is still 1.0 GB. Free memory is still 940.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 203.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * CodeCheck took 136.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 11:15:00,502 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:15:00,503 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:15:00,513 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:15:00,513 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:15:00,514 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:15:00,515 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:15:00,516 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:15:00,518 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:15:00,518 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:15:00,519 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:15:00,519 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:15:00,520 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:15:00,521 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:15:00,522 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:15:00,523 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:15:00,523 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:15:00,524 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:15:00,526 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:15:00,527 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:15:00,529 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:15:00,530 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:15:00,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:15:00,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:15:00,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:15:00,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:15:00,534 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:15:00,535 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:15:00,535 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:15:00,537 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:15:00,537 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:15:00,537 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:15:00,538 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:15:00,538 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:15:00,539 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:15:00,539 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:15:00,539 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 11:15:00,552 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:15:00,552 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:15:00,553 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:15:00,553 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:15:00,553 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:15:00,554 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:15:00,554 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:15:00,554 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:15:00,554 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:15:00,554 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:15:00,554 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:15:00,554 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:15:00,555 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:15:00,555 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:15:00,555 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:15:00,555 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:15:00,555 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:15:00,555 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:15:00,555 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:15:00,555 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:15:00,556 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:15:00,556 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:15:00,556 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:15:00,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:15:00,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:15:00,558 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:15:00,558 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:15:00,559 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 11:15:00,559 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 11:15:00,559 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:15:00,559 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:15:00,559 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:15:00,559 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_560ac691-953c-41cd-87cf-1ef0251a374c/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 -> 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 [2018-11-18 11:15:00,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:15:00,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:15:00,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:15:00,608 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:15:00,608 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:15:00,609 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/../../sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i [2018-11-18 11:15:00,658 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/data/82f9587d2/e0869368c79c468b841d604275098a21/FLAG187ec0564 [2018-11-18 11:15:00,992 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:15:00,993 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i [2018-11-18 11:15:00,996 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/data/82f9587d2/e0869368c79c468b841d604275098a21/FLAG187ec0564 [2018-11-18 11:15:01,005 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/bin-2019/ukojak/data/82f9587d2/e0869368c79c468b841d604275098a21 [2018-11-18 11:15:01,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:15:01,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:15:01,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:15:01,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:15:01,013 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:15:01,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:15:01" (1/1) ... [2018-11-18 11:15:01,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a27840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01, skipping insertion in model container [2018-11-18 11:15:01,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:15:01" (1/1) ... [2018-11-18 11:15:01,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:15:01,040 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:15:01,177 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:15:01,183 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:15:01,198 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:15:01,210 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:15:01,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01 WrapperNode [2018-11-18 11:15:01,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:15:01,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:15:01,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:15:01,211 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:15:01,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01" (1/1) ... [2018-11-18 11:15:01,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01" (1/1) ... [2018-11-18 11:15:01,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:15:01,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:15:01,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:15:01,232 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:15:01,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01" (1/1) ... [2018-11-18 11:15:01,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01" (1/1) ... [2018-11-18 11:15:01,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01" (1/1) ... [2018-11-18 11:15:01,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01" (1/1) ... [2018-11-18 11:15:01,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01" (1/1) ... [2018-11-18 11:15:01,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01" (1/1) ... [2018-11-18 11:15:01,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01" (1/1) ... [2018-11-18 11:15:01,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:15:01,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:15:01,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:15:01,251 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:15:01,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:15:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_560ac691-953c-41cd-87cf-1ef0251a374c/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 11:15:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:15:01,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:15:24,579 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:15:24,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:15:24 BoogieIcfgContainer [2018-11-18 11:15:24,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:15:24,580 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:15:24,580 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:15:24,588 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:15:24,588 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:15:24" (1/1) ... [2018-11-18 11:15:24,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:15:24,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:15:24,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 11:15:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 11:15:24,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 11:15:24,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:15:24,674 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 11:15:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-18 11:15:34,944 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 11:15:34,946 INFO L168 Benchmark]: Toolchain (without parser) took 33937.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:15:34,948 INFO L168 Benchmark]: CDTParser took 0.36 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 11:15:34,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.80 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:15:34,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.68 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:15:34,951 INFO L168 Benchmark]: Boogie Preprocessor took 18.52 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:15:34,951 INFO L168 Benchmark]: RCFGBuilder took 23328.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:15:34,951 INFO L168 Benchmark]: CodeCheck took 10366.31 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:15:34,954 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 200.80 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.68 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.52 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 23328.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * CodeCheck took 10366.31 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...