./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant_true-unreach-call.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_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/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 f16872e95ceb4c5bb3d43220bb20359b76e5f33c ............................................................................................................................................................................................................................................ 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_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/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 f16872e95ceb4c5bb3d43220bb20359b76e5f33c .................................................................................................................................................................................................... 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 02:16:49,265 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:16:49,266 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:16:49,272 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:16:49,272 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:16:49,273 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:16:49,274 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:16:49,275 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:16:49,276 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:16:49,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:16:49,277 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:16:49,277 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:16:49,278 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:16:49,279 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:16:49,279 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:16:49,280 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:16:49,280 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:16:49,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:16:49,283 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:16:49,284 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:16:49,285 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:16:49,285 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:16:49,287 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:16:49,288 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:16:49,288 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:16:49,288 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:16:49,289 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:16:49,290 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:16:49,290 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:16:49,291 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:16:49,291 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:16:49,291 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:16:49,292 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:16:49,292 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:16:49,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:16:49,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:16:49,293 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 02:16:49,303 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:16:49,303 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:16:49,304 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:16:49,304 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:16:49,304 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:16:49,305 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:16:49,305 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:16:49,305 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:16:49,305 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:16:49,305 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:16:49,305 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:16:49,305 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:16:49,306 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:16:49,306 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:16:49,306 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:16:49,306 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:16:49,306 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:16:49,306 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 02:16:49,308 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 02:16:49,308 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:16:49,308 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:16:49,308 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 02:16:49,308 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:16:49,308 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:16:49,308 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:16:49,309 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 02:16:49,309 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:16:49,309 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:16:49,309 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_734ac720-c8ea-4044-ba02-5e782294bd87/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 -> f16872e95ceb4c5bb3d43220bb20359b76e5f33c [2018-11-10 02:16:49,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:16:49,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:16:49,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:16:49,347 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:16:49,347 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:16:49,348 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant_true-unreach-call.c [2018-11-10 02:16:49,390 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/data/ebe399104/5dbf7d845bcf43b4bf115ed9cdfb54d4/FLAGf64d2a417 [2018-11-10 02:16:49,727 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:16:49,727 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant_true-unreach-call.c [2018-11-10 02:16:49,732 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/data/ebe399104/5dbf7d845bcf43b4bf115ed9cdfb54d4/FLAGf64d2a417 [2018-11-10 02:16:49,744 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/data/ebe399104/5dbf7d845bcf43b4bf115ed9cdfb54d4 [2018-11-10 02:16:49,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:16:49,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:16:49,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:16:49,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:16:49,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:16:49,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:16:49" (1/1) ... [2018-11-10 02:16:49,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549999d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49, skipping insertion in model container [2018-11-10 02:16:49,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:16:49" (1/1) ... [2018-11-10 02:16:49,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:16:49,781 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:16:49,882 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:16:49,885 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:16:49,898 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:16:49,907 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:16:49,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49 WrapperNode [2018-11-10 02:16:49,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:16:49,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:16:49,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:16:49,908 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:16:49,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49" (1/1) ... [2018-11-10 02:16:49,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49" (1/1) ... [2018-11-10 02:16:49,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:16:49,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:16:49,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:16:49,929 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:16:49,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49" (1/1) ... [2018-11-10 02:16:49,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49" (1/1) ... [2018-11-10 02:16:49,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49" (1/1) ... [2018-11-10 02:16:49,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49" (1/1) ... [2018-11-10 02:16:49,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49" (1/1) ... [2018-11-10 02:16:49,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49" (1/1) ... [2018-11-10 02:16:49,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49" (1/1) ... [2018-11-10 02:16:49,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:16:49,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:16:49,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:16:49,941 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:16:49,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/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 02:16:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:16:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:16:50,156 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:16:50,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:16:50 BoogieIcfgContainer [2018-11-10 02:16:50,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:16:50,157 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 02:16:50,158 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 02:16:50,166 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 02:16:50,166 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:16:50" (1/1) ... [2018-11-10 02:16:50,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:16:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:16:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-11-10 02:16:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-11-10 02:16:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 02:16:50,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:16:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:16:50,285 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 02:16:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:16:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-10 02:16:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-10 02:16:50,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 02:16:50,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:16:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:16:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:16:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:16:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:16:50,354 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 02:16:50,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 02:16:50 ImpRootNode [2018-11-10 02:16:50,371 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 02:16:50,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:16:50,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:16:50,372 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:16:50,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:16:50" (3/4) ... [2018-11-10 02:16:50,375 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 02:16:50,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:16:50,375 INFO L168 Benchmark]: Toolchain (without parser) took 627.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 1.5 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:50,376 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:16:50,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.72 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:50,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.46 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:50,378 INFO L168 Benchmark]: Boogie Preprocessor took 11.94 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:16:50,378 INFO L168 Benchmark]: RCFGBuilder took 216.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:50,379 INFO L168 Benchmark]: CodeCheck took 214.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:50,379 INFO L168 Benchmark]: Witness Printer took 2.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:16:50,381 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, 19 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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: 15]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 39, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 54. Possible FailurePath: [L17] double _EPS = 1e-6; [L44] double d, dd, r; [L45] double epsilon = 1e-8; [L47] d = 1. VAL [_EPS=1/1000000] [L47] COND TRUE d <= 20. [L49] dd = __VERIFIER_nondet_double() [L52] CALL, EXPR SqrtR(dd) [L21] double xn, xnp1, residu, lsup, linf; [L22] int i, cond; [L23] COND TRUE Input <= 1.0 [L23] xn = 1.0 [L24] xnp1 = xn [L25] residu = 2.0*_EPS*(xn+xnp1) [L26] lsup = _EPS * (xn+xnp1) [L27] linf = -lsup [L28] cond = ((residu > lsup) || (residu < linf)) [L29] i = 0 VAL [_EPS=1/1000000] [L30] COND FALSE !(\read(cond)) VAL [_EPS=1/1000000] [L39] RET return 1.0 / xnp1; [L52] EXPR SqrtR(dd) [L52] r = SqrtR(dd) [L54] CALL __VERIFIER_assert(r >= 0.9 && r <= 5.) [L15] COND TRUE !(cond) VAL [_EPS=1/1000000] [L15] __VERIFIER_error() VAL [_EPS=1/1000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.72 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.46 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.94 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 216.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * CodeCheck took 214.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:16:51,780 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:16:51,781 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:16:51,788 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:16:51,788 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:16:51,789 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:16:51,790 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:16:51,791 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:16:51,792 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:16:51,793 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:16:51,793 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:16:51,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:16:51,794 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:16:51,795 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:16:51,796 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:16:51,796 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:16:51,797 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:16:51,798 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:16:51,799 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:16:51,800 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:16:51,801 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:16:51,802 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:16:51,804 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:16:51,804 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:16:51,804 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:16:51,805 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:16:51,805 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:16:51,806 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:16:51,806 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:16:51,807 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:16:51,807 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:16:51,808 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:16:51,808 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:16:51,808 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:16:51,809 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:16:51,809 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:16:51,809 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 02:16:51,820 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:16:51,820 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:16:51,820 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:16:51,821 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:16:51,821 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:16:51,821 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:16:51,821 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:16:51,822 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:16:51,822 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:16:51,822 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:16:51,822 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:16:51,822 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:16:51,822 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:16:51,822 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 02:16:51,822 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 02:16:51,823 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:16:51,823 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:16:51,823 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:16:51,823 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 02:16:51,823 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 02:16:51,823 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:16:51,823 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:16:51,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 02:16:51,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:16:51,824 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:16:51,824 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:16:51,824 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 02:16:51,824 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 02:16:51,824 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:16:51,825 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 02:16:51,825 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 02:16:51,825 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_734ac720-c8ea-4044-ba02-5e782294bd87/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 -> f16872e95ceb4c5bb3d43220bb20359b76e5f33c [2018-11-10 02:16:51,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:16:51,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:16:51,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:16:51,863 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:16:51,864 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:16:51,864 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant_true-unreach-call.c [2018-11-10 02:16:51,900 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/data/50d8e2a42/8c3ae9feb04b4318a1cd78c332c6019a/FLAG0a8f8a676 [2018-11-10 02:16:52,228 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:16:52,229 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant_true-unreach-call.c [2018-11-10 02:16:52,233 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/data/50d8e2a42/8c3ae9feb04b4318a1cd78c332c6019a/FLAG0a8f8a676 [2018-11-10 02:16:52,241 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/bin-2019/ukojak/data/50d8e2a42/8c3ae9feb04b4318a1cd78c332c6019a [2018-11-10 02:16:52,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:16:52,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:16:52,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:16:52,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:16:52,247 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:16:52,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:16:52" (1/1) ... [2018-11-10 02:16:52,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98713a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52, skipping insertion in model container [2018-11-10 02:16:52,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:16:52" (1/1) ... [2018-11-10 02:16:52,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:16:52,272 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:16:52,385 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:16:52,388 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:16:52,406 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:16:52,419 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:16:52,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52 WrapperNode [2018-11-10 02:16:52,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:16:52,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:16:52,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:16:52,420 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:16:52,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52" (1/1) ... [2018-11-10 02:16:52,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52" (1/1) ... [2018-11-10 02:16:52,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:16:52,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:16:52,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:16:52,444 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:16:52,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52" (1/1) ... [2018-11-10 02:16:52,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52" (1/1) ... [2018-11-10 02:16:52,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52" (1/1) ... [2018-11-10 02:16:52,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52" (1/1) ... [2018-11-10 02:16:52,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52" (1/1) ... [2018-11-10 02:16:52,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52" (1/1) ... [2018-11-10 02:16:52,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52" (1/1) ... [2018-11-10 02:16:52,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:16:52,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:16:52,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:16:52,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:16:52,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_734ac720-c8ea-4044-ba02-5e782294bd87/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 02:16:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:16:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:18:09,405 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:18:09,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:18:09 BoogieIcfgContainer [2018-11-10 02:18:09,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:18:09,406 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 02:18:09,406 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 02:18:09,417 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 02:18:09,417 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:18:09" (1/1) ... [2018-11-10 02:18:09,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:18:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:18:09,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-11-10 02:18:09,454 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-11-10 02:18:09,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 02:18:09,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:18:09,495 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 02:18:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:18:09,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 02:18:09,575 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 02:18:09,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:18:09,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-10 02:18:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-10 02:18:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 02:18:09,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:18:09,586 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 02:18:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-10 02:18:22,405 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 02:18:22,408 INFO L168 Benchmark]: Toolchain (without parser) took 90165.51 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: -138.6 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 02:18:22,410 INFO L168 Benchmark]: CDTParser took 0.11 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 02:18:22,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.94 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:18:22,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.18 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:18:22,412 INFO L168 Benchmark]: Boogie Preprocessor took 16.56 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 02:18:22,413 INFO L168 Benchmark]: RCFGBuilder took 76945.02 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: -175.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 02:18:22,413 INFO L168 Benchmark]: CodeCheck took 13001.89 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. [2018-11-10 02:18:22,416 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 0.11 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 175.94 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 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 23.18 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.56 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 76945.02 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: -175.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * CodeCheck took 13001.89 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. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request...