./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_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/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_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/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_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/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_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/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 [2018-11-10 03:43:39,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:43:39,649 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:43:39,657 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:43:39,658 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:43:39,658 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:43:39,659 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:43:39,660 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:43:39,661 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:43:39,662 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:43:39,663 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:43:39,663 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:43:39,663 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:43:39,664 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:43:39,665 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:43:39,665 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:43:39,666 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:43:39,667 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:43:39,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:43:39,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:43:39,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:43:39,671 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:43:39,673 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:43:39,673 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:43:39,673 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:43:39,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:43:39,675 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:43:39,675 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:43:39,676 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:43:39,677 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:43:39,677 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:43:39,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:43:39,678 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:43:39,678 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:43:39,678 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:43:39,679 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:43:39,679 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 03:43:39,689 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:43:39,689 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:43:39,690 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:43:39,690 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:43:39,691 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:43:39,691 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:43:39,691 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:43:39,691 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:43:39,691 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:43:39,691 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:43:39,691 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:43:39,692 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:43:39,692 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:43:39,692 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:43:39,692 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:43:39,692 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:43:39,692 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:43:39,692 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:43:39,693 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:43:39,693 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:43:39,693 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:43:39,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:43:39,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:43:39,693 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:43:39,693 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:43:39,693 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 03:43:39,694 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:43:39,694 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:43:39,694 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_c05793b2-504c-43c3-a10c-220e0450cb27/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 [2018-11-10 03:43:39,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:43:39,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:43:39,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:43:39,726 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:43:39,726 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:43:39,727 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-11-10 03:43:39,762 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/data/3828c6cb2/05ca5509f90b4fada08c1b454729296e/FLAG5cdb5432e [2018-11-10 03:43:40,156 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:43:40,157 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-11-10 03:43:40,162 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/data/3828c6cb2/05ca5509f90b4fada08c1b454729296e/FLAG5cdb5432e [2018-11-10 03:43:40,172 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/data/3828c6cb2/05ca5509f90b4fada08c1b454729296e [2018-11-10 03:43:40,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:43:40,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:43:40,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:43:40,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:43:40,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:43:40,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40, skipping insertion in model container [2018-11-10 03:43:40,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:43:40,201 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:43:40,298 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:43:40,300 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:43:40,313 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:43:40,326 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:43:40,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40 WrapperNode [2018-11-10 03:43:40,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:43:40,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:43:40,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:43:40,327 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:43:40,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:43:40,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:43:40,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:43:40,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:43:40,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:43:40,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:43:40,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:43:40,366 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:43:40,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/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 [2018-11-10 03:43:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 03:43:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:43:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:43:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 03:43:40,747 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:43:40,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:43:40 BoogieIcfgContainer [2018-11-10 03:43:40,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:43:40,748 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:43:40,748 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:43:40,755 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:43:40,755 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:43:40" (1/1) ... [2018-11-10 03:43:40,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:43:40,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:43:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-11-10 03:43:40,789 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-11-10 03:43:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 03:43:40,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:43:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:43:40,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:43:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:43:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-11-10 03:43:40,956 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-11-10 03:43:40,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 03:43:40,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:43:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:43:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:43:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:43:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:43:41,038 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 03:43:41,054 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,055 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,056 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,056 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,056 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,057 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,057 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,057 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,058 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,058 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,058 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,058 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:43:41,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 03:43:41 ImpRootNode [2018-11-10 03:43:41,071 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 03:43:41,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:43:41,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:43:41,071 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:43:41,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:43:40" (3/4) ... [2018-11-10 03:43:41,074 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 03:43:41,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:43:41,075 INFO L168 Benchmark]: Toolchain (without parser) took 899.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:43:41,076 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-10 03:43:41,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.18 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:43:41,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.15 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:43:41,077 INFO L168 Benchmark]: Boogie Preprocessor took 14.35 ms. Allocated memory is still 1.0 GB. Free memory is still 940.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:43:41,078 INFO L168 Benchmark]: RCFGBuilder took 381.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:43:41,078 INFO L168 Benchmark]: CodeCheck took 323.01 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:43:41,079 INFO L168 Benchmark]: Witness Printer took 3.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:43:41,081 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, 0.2s 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, 0.0s 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 0.11 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 149.18 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.15 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.35 ms. Allocated memory is still 1.0 GB. Free memory is still 940.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 381.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * CodeCheck took 323.01 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. 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 [2018-11-10 03:43:42,645 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:43:42,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:43:42,655 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:43:42,655 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:43:42,656 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:43:42,657 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:43:42,659 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:43:42,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:43:42,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:43:42,661 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:43:42,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:43:42,662 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:43:42,663 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:43:42,664 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:43:42,665 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:43:42,666 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:43:42,667 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:43:42,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:43:42,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:43:42,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:43:42,672 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:43:42,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:43:42,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:43:42,674 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:43:42,675 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:43:42,676 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:43:42,677 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:43:42,677 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:43:42,678 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:43:42,678 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:43:42,679 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:43:42,679 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:43:42,679 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:43:42,680 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:43:42,681 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:43:42,681 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 03:43:42,693 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:43:42,693 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:43:42,694 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:43:42,694 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:43:42,695 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:43:42,695 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:43:42,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:43:42,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:43:42,696 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:43:42,696 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:43:42,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:43:42,696 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:43:42,696 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:43:42,696 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 03:43:42,697 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 03:43:42,697 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:43:42,697 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:43:42,697 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:43:42,697 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:43:42,697 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:43:42,698 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:43:42,698 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:43:42,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:43:42,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:43:42,698 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:43:42,699 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:43:42,699 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 03:43:42,699 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 03:43:42,699 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:43:42,699 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 03:43:42,699 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 03:43:42,700 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_c05793b2-504c-43c3-a10c-220e0450cb27/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 [2018-11-10 03:43:42,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:43:42,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:43:42,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:43:42,747 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:43:42,747 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:43:42,748 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-11-10 03:43:42,790 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/data/e07f44ad1/8adb90b2d81645d78be7173a6645a63a/FLAG0b562c105 [2018-11-10 03:43:43,154 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:43:43,155 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/sv-benchmarks/c/float-benchs/inv_sqrt_Quake_true-unreach-call.c.v+cfa-reducer.c [2018-11-10 03:43:43,159 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/data/e07f44ad1/8adb90b2d81645d78be7173a6645a63a/FLAG0b562c105 [2018-11-10 03:43:43,172 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/bin-2019/ukojak/data/e07f44ad1/8adb90b2d81645d78be7173a6645a63a [2018-11-10 03:43:43,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:43:43,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:43:43,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:43:43,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:43:43,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:43:43,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:43:43" (1/1) ... [2018-11-10 03:43:43,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3871e03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43, skipping insertion in model container [2018-11-10 03:43:43,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:43:43" (1/1) ... [2018-11-10 03:43:43,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:43:43,208 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:43:43,348 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:43:43,353 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:43:43,372 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:43:43,395 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:43:43,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43 WrapperNode [2018-11-10 03:43:43,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:43:43,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:43:43,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:43:43,396 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:43:43,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43" (1/1) ... [2018-11-10 03:43:43,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43" (1/1) ... [2018-11-10 03:43:43,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:43:43,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:43:43,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:43:43,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:43:43,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43" (1/1) ... [2018-11-10 03:43:43,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43" (1/1) ... [2018-11-10 03:43:43,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43" (1/1) ... [2018-11-10 03:43:43,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43" (1/1) ... [2018-11-10 03:43:43,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43" (1/1) ... [2018-11-10 03:43:43,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43" (1/1) ... [2018-11-10 03:43:43,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43" (1/1) ... [2018-11-10 03:43:43,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:43:43,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:43:43,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:43:43,445 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:43:43,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:43:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c05793b2-504c-43c3-a10c-220e0450cb27/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 [2018-11-10 03:43:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:43:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:43:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 03:43:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 03:43:44,050 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:44:29,504 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:44:29,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:44:29 BoogieIcfgContainer [2018-11-10 03:44:29,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:44:29,505 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:44:29,505 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:44:29,511 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:44:29,511 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:44:29" (1/1) ... [2018-11-10 03:44:29,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:44:29,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:44:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-11-10 03:44:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-11-10 03:44:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 03:44:29,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:44:29,581 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 03:44:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:44:30,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:44:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:44:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:44:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-11-10 03:44:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-11-10 03:44:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 03:44:30,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:44:30,165 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 03:44:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-10 03:44:40,283 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) [2018-11-10 03:44:40,286 INFO L168 Benchmark]: Toolchain (without parser) took 57110.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -130.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:44:40,287 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-10 03:44:40,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.71 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:44:40,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.30 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:44:40,288 INFO L168 Benchmark]: Boogie Preprocessor took 15.82 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:44:40,288 INFO L168 Benchmark]: RCFGBuilder took 46059.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:44:40,289 INFO L168 Benchmark]: CodeCheck took 10780.28 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-10 03:44:40,291 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 0.13 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 218.71 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 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 32.30 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.82 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 46059.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * CodeCheck took 10780.28 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...