./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/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 97ac2503801a101f5a44ae44e4a77e81fa872959 ................................................................................................................................................................................................................................................................................................... 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_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/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 97ac2503801a101f5a44ae44e4a77e81fa872959 ....................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:19:46,432 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:19:46,434 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:19:46,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:19:46,444 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:19:46,445 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:19:46,446 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:19:46,448 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:19:46,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:19:46,450 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:19:46,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:19:46,451 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:19:46,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:19:46,453 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:19:46,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:19:46,455 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:19:46,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:19:46,457 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:19:46,459 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:19:46,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:19:46,461 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:19:46,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:19:46,464 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:19:46,465 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:19:46,465 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:19:46,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:19:46,467 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:19:46,467 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:19:46,468 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:19:46,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:19:46,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:19:46,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:19:46,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:19:46,470 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:19:46,471 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:19:46,472 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:19:46,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:19:46,486 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:19:46,486 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:19:46,487 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:19:46,487 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:19:46,488 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:19:46,488 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:19:46,488 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:19:46,488 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:19:46,488 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:19:46,489 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:19:46,489 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:19:46,489 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:19:46,489 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:19:46,490 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:19:46,490 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:19:46,490 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:19:46,490 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:19:46,490 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:19:46,490 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:19:46,491 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:19:46,491 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:19:46,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:19:46,491 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:19:46,491 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:19:46,492 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:19:46,492 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:19:46,492 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:19:46,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:19:46,492 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_2b2c3055-a82b-45f5-a97d-e5c290beabb0/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 -> 97ac2503801a101f5a44ae44e4a77e81fa872959 [2018-10-26 19:19:46,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:19:46,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:19:46,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:19:46,539 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:19:46,539 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:19:46,540 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-10-26 19:19:46,592 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/data/372c164b2/00b5e3017c7c46a6adb0ec0873e16393/FLAG11b1b521d [2018-10-26 19:19:46,984 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:19:46,984 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-10-26 19:19:46,992 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/data/372c164b2/00b5e3017c7c46a6adb0ec0873e16393/FLAG11b1b521d [2018-10-26 19:19:47,005 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/data/372c164b2/00b5e3017c7c46a6adb0ec0873e16393 [2018-10-26 19:19:47,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:19:47,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:19:47,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:19:47,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:19:47,015 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:19:47,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:19:47" (1/1) ... [2018-10-26 19:19:47,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3887c026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47, skipping insertion in model container [2018-10-26 19:19:47,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:19:47" (1/1) ... [2018-10-26 19:19:47,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:19:47,051 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:19:47,224 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:19:47,229 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:19:47,260 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:19:47,288 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:19:47,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47 WrapperNode [2018-10-26 19:19:47,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:19:47,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:19:47,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:19:47,292 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:19:47,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47" (1/1) ... [2018-10-26 19:19:47,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47" (1/1) ... [2018-10-26 19:19:47,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:19:47,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:19:47,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:19:47,337 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:19:47,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47" (1/1) ... [2018-10-26 19:19:47,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47" (1/1) ... [2018-10-26 19:19:47,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47" (1/1) ... [2018-10-26 19:19:47,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47" (1/1) ... [2018-10-26 19:19:47,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47" (1/1) ... [2018-10-26 19:19:47,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47" (1/1) ... [2018-10-26 19:19:47,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47" (1/1) ... [2018-10-26 19:19:47,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:19:47,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:19:47,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:19:47,362 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:19:47,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:19:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 19:19:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:19:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:19:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 19:19:48,318 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:19:48,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:19:48 BoogieIcfgContainer [2018-10-26 19:19:48,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:19:48,320 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:19:48,320 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:19:48,332 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:19:48,332 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:19:48" (1/1) ... [2018-10-26 19:19:48,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:19:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:19:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-10-26 19:19:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-10-26 19:19:48,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:19:48,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:19:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:19:48,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:19:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:19:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-10-26 19:19:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-10-26 19:19:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:19:48,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:19:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:19:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:19:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:19:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:19:48,845 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 19:19:48,865 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,866 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,867 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,867 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,867 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,868 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,868 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,868 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,869 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,869 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,870 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,872 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:19:48,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:19:48 ImpRootNode [2018-10-26 19:19:48,886 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:19:48,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:19:48,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:19:48,892 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:19:48,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:19:48" (3/4) ... [2018-10-26 19:19:48,899 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 19:19:48,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:19:48,901 INFO L168 Benchmark]: Toolchain (without parser) took 1891.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:19:48,904 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:19:48,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.66 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:19:48,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.99 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:19:48,907 INFO L168 Benchmark]: Boogie Preprocessor took 24.47 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:19:48,908 INFO L168 Benchmark]: RCFGBuilder took 957.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:19:48,910 INFO L168 Benchmark]: CodeCheck took 566.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-10-26 19:19:48,911 INFO L168 Benchmark]: Witness Printer took 13.39 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 19:19:48,915 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, 23 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 54]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryArithmeticDOUBLEoperation at line 32. Possible FailurePath: [L1] int __return_main; [L12] float __return_72; [L13] int __return_87; [L16] float main__a; [L17] float main__r; [L18] main__a = __VERIFIER_nondet_float() [L19] int main____CPAchecker_TMP_0; VAL [__return_72=0, __return_87=0, __return_main=0] [L20] COND TRUE main__a >= 0.10000000149011612 VAL [__return_72=0, __return_87=0, __return_main=0] [L22] COND TRUE main__a <= 100.0 [L24] main____CPAchecker_TMP_0 = 1 VAL [__return_72=0, __return_87=0, __return_main=0] [L25] COND TRUE main____CPAchecker_TMP_0 != 0 [L28] float __tmp_1; [L29] __tmp_1 = main__a [L30] float InvSqrt__x; [L31] InvSqrt__x = __tmp_1 [L32] float InvSqrt__xhalf = 0.5 * InvSqrt__x; [L33] CALL union float_int InvSqrt__i; [L33] RET union float_int InvSqrt__i; [L34] CALL InvSqrt__i.f = InvSqrt__x [L34] RET InvSqrt__i.f = InvSqrt__x [L35] CALL, EXPR InvSqrt__i.i [L35] RET, EXPR InvSqrt__i.i [L35] FCALL InvSqrt__i.i = 1597463007 - ((InvSqrt__i.i) >> 1) [L36] CALL, EXPR InvSqrt__i.f [L36] RET, EXPR InvSqrt__i.f [L36] InvSqrt__x = InvSqrt__i.f [L37] InvSqrt__x = InvSqrt__x * (1.5 - ((InvSqrt__xhalf * InvSqrt__x) * InvSqrt__x)) [L38] __return_72 = InvSqrt__x [L39] main__r = __return_72 [L40] int main____CPAchecker_TMP_1; VAL [__return_72=4, __return_87=0, __return_main=0] [L41] COND FALSE !(main__r >= 0.0) VAL [__return_72=4, __return_87=0, __return_main=0] [L67] main____CPAchecker_TMP_1 = 0 VAL [__return_72=4, __return_87=0, __return_main=0] [L48] int __tmp_2; [L49] __tmp_2 = main____CPAchecker_TMP_1 [L50] int __VERIFIER_assert__cond; [L51] __VERIFIER_assert__cond = __tmp_2 VAL [__return_72=4, __return_87=0, __return_main=0] [L52] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_72=4, __return_87=0, __return_main=0] [L54] __VERIFIER_error() VAL [__return_72=4, __return_87=0, __return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.66 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 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 45.99 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.47 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 957.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * CodeCheck took 566.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 13.39 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:19:51,167 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:19:51,169 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:19:51,181 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:19:51,183 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:19:51,184 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:19:51,187 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:19:51,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:19:51,193 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:19:51,196 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:19:51,198 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:19:51,198 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:19:51,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:19:51,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:19:51,201 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:19:51,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:19:51,203 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:19:51,205 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:19:51,207 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:19:51,208 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:19:51,209 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:19:51,211 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:19:51,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:19:51,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:19:51,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:19:51,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:19:51,215 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:19:51,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:19:51,217 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:19:51,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:19:51,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:19:51,219 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:19:51,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:19:51,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:19:51,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:19:51,221 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:19:51,221 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 19:19:51,235 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:19:51,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:19:51,236 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:19:51,237 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:19:51,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:19:51,237 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:19:51,238 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:19:51,239 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:19:51,239 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:19:51,239 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:19:51,239 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:19:51,239 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:19:51,240 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:19:51,240 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 19:19:51,240 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 19:19:51,240 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:19:51,240 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:19:51,240 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:19:51,241 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:19:51,241 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:19:51,241 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:19:51,241 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:19:51,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:19:51,242 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:19:51,244 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:19:51,244 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:19:51,244 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 19:19:51,244 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 19:19:51,244 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:19:51,245 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 19:19:51,245 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 19:19:51,245 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_2b2c3055-a82b-45f5-a97d-e5c290beabb0/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 -> 97ac2503801a101f5a44ae44e4a77e81fa872959 [2018-10-26 19:19:51,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:19:51,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:19:51,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:19:51,310 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:19:51,311 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:19:51,311 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-10-26 19:19:51,372 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/data/23f6dd0cc/8fee56b0264d46f9ae68457759b4a9d0/FLAG8642cf514 [2018-10-26 19:19:51,800 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:19:51,802 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-10-26 19:19:51,811 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/data/23f6dd0cc/8fee56b0264d46f9ae68457759b4a9d0/FLAG8642cf514 [2018-10-26 19:19:51,830 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/data/23f6dd0cc/8fee56b0264d46f9ae68457759b4a9d0 [2018-10-26 19:19:51,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:19:51,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:19:51,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:19:51,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:19:51,840 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:19:51,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:19:51" (1/1) ... [2018-10-26 19:19:51,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265d5bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:51, skipping insertion in model container [2018-10-26 19:19:51,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:19:51" (1/1) ... [2018-10-26 19:19:51,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:19:51,878 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:19:52,084 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:19:52,091 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:19:52,118 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:19:52,145 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:19:52,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:52 WrapperNode [2018-10-26 19:19:52,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:19:52,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:19:52,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:19:52,147 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:19:52,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:52" (1/1) ... [2018-10-26 19:19:52,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:52" (1/1) ... [2018-10-26 19:19:52,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:19:52,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:19:52,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:19:52,191 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:19:52,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:52" (1/1) ... [2018-10-26 19:19:52,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:52" (1/1) ... [2018-10-26 19:19:52,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:52" (1/1) ... [2018-10-26 19:19:52,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:52" (1/1) ... [2018-10-26 19:19:52,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:52" (1/1) ... [2018-10-26 19:19:52,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:52" (1/1) ... [2018-10-26 19:19:52,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:52" (1/1) ... [2018-10-26 19:19:52,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:19:52,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:19:52,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:19:52,219 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:19:52,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:19:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b2c3055-a82b-45f5-a97d-e5c290beabb0/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:19:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:19:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:19:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 19:19:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 19:19:52,963 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:20:36,484 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:20:36,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:20:36 BoogieIcfgContainer [2018-10-26 19:20:36,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:20:36,485 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:20:36,485 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:20:36,496 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:20:36,497 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:20:36" (1/1) ... [2018-10-26 19:20:36,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:20:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:20:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-10-26 19:20:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-10-26 19:20:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:20:36,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:20:36,604 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 19:20:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:20:37,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:20:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:20:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:20:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-10-26 19:20:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-10-26 19:20:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:20:37,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:20:37,607 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 19:20:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-10-26 19:20:47,751 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:508) 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) [2018-10-26 19:20:47,755 INFO L168 Benchmark]: Toolchain (without parser) took 55921.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -111.5 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:20:47,756 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:20:47,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:20:47,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.39 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. [2018-10-26 19:20:47,761 INFO L168 Benchmark]: Boogie Preprocessor took 28.16 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. [2018-10-26 19:20:47,761 INFO L168 Benchmark]: RCFGBuilder took 44265.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-10-26 19:20:47,762 INFO L168 Benchmark]: CodeCheck took 11268.69 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:20:47,765 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:508) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.39 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. * Boogie Preprocessor took 28.16 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 44265.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * CodeCheck took 11268.69 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...