./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/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 71391a154c08c1da1cb11d5d7900dd0d1303e4a1 ............................................................................................................................................................................................................................. 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_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/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 71391a154c08c1da1cb11d5d7900dd0d1303e4a1 ...................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 19:14:02,211 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:14:02,212 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:14:02,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:14:02,218 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:14:02,219 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:14:02,220 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:14:02,221 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:14:02,222 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:14:02,222 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:14:02,223 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:14:02,223 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:14:02,223 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:14:02,224 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:14:02,224 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:14:02,225 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:14:02,225 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:14:02,226 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:14:02,227 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:14:02,228 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:14:02,228 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:14:02,229 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:14:02,230 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:14:02,230 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:14:02,231 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:14:02,231 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:14:02,232 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:14:02,232 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:14:02,233 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:14:02,233 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:14:02,233 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:14:02,234 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:14:02,234 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:14:02,234 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:14:02,235 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:14:02,235 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:14:02,235 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 19:14:02,243 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:14:02,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:14:02,244 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:14:02,244 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 19:14:02,244 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:14:02,244 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:14:02,244 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:14:02,244 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:14:02,245 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:14:02,245 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:14:02,245 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:14:02,245 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:14:02,245 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:14:02,245 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:14:02,245 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:14:02,245 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:14:02,245 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:14:02,246 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:14:02,246 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 19:14:02,246 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 19:14:02,246 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:14:02,246 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:14:02,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:14:02,246 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:14:02,247 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:14:02,247 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:14:02,247 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 19:14:02,247 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:14:02,247 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 19:14:02,247 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_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/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 -> 71391a154c08c1da1cb11d5d7900dd0d1303e4a1 [2018-12-01 19:14:02,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:14:02,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:14:02,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:14:02,274 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:14:02,274 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:14:02,275 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c [2018-12-01 19:14:02,308 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/data/7ee483181/ec67e96f03644b7a850f68946aefc217/FLAGb5301fb06 [2018-12-01 19:14:02,725 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:14:02,726 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c [2018-12-01 19:14:02,729 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/data/7ee483181/ec67e96f03644b7a850f68946aefc217/FLAGb5301fb06 [2018-12-01 19:14:02,738 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/data/7ee483181/ec67e96f03644b7a850f68946aefc217 [2018-12-01 19:14:02,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:14:02,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:14:02,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:14:02,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:14:02,743 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:14:02,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:14:02" (1/1) ... [2018-12-01 19:14:02,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484c0a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02, skipping insertion in model container [2018-12-01 19:14:02,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:14:02" (1/1) ... [2018-12-01 19:14:02,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:14:02,758 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:14:02,845 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:14:02,848 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:14:02,859 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:14:02,867 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:14:02,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02 WrapperNode [2018-12-01 19:14:02,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:14:02,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:14:02,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:14:02,868 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:14:02,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02" (1/1) ... [2018-12-01 19:14:02,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02" (1/1) ... [2018-12-01 19:14:02,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:14:02,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:14:02,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:14:02,887 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:14:02,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02" (1/1) ... [2018-12-01 19:14:02,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02" (1/1) ... [2018-12-01 19:14:02,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02" (1/1) ... [2018-12-01 19:14:02,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02" (1/1) ... [2018-12-01 19:14:02,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02" (1/1) ... [2018-12-01 19:14:02,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02" (1/1) ... [2018-12-01 19:14:02,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02" (1/1) ... [2018-12-01 19:14:02,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:14:02,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:14:02,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:14:02,929 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:14:02,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/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 [2018-12-01 19:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:14:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:14:03,093 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:14:03,093 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-01 19:14:03,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:14:03 BoogieIcfgContainer [2018-12-01 19:14:03,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:14:03,094 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 19:14:03,094 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 19:14:03,100 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 19:14:03,100 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:14:03" (1/1) ... [2018-12-01 19:14:03,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:14:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:14:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-12-01 19:14:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-12-01 19:14:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 19:14:03,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:14:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:14:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:14:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:14:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:14:03,219 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-01 19:14:03,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:14:03 ImpRootNode [2018-12-01 19:14:03,234 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 19:14:03,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:14:03,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:14:03,234 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:14:03,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:14:03" (3/4) ... [2018-12-01 19:14:03,237 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 19:14:03,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:14:03,237 INFO L168 Benchmark]: Toolchain (without parser) took 497.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -110.7 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:03,239 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:14:03,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.67 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:03,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:03,240 INFO L168 Benchmark]: Boogie Preprocessor took 41.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:03,240 INFO L168 Benchmark]: RCFGBuilder took 164.66 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:03,241 INFO L168 Benchmark]: CodeCheck took 140.53 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:03,241 INFO L168 Benchmark]: Witness Printer took 2.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:03,243 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, 16 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 15]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 39, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 50. Possible FailurePath: [L17] double _EPS = 1e-6; [L44] double d, r; [L46] d = 1. VAL [_EPS=1/1000000] [L46] COND TRUE d <= 20. [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)) [L39] return 1.0 / xnp1; [L48] r = SqrtR(d) [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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 126.67 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 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 19.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 164.66 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * CodeCheck took 140.53 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-01 19:14:04,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:14:04,524 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:14:04,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:14:04,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:14:04,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:14:04,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:14:04,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:14:04,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:14:04,533 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:14:04,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:14:04,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:14:04,534 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:14:04,535 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:14:04,535 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:14:04,536 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:14:04,536 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:14:04,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:14:04,538 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:14:04,539 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:14:04,539 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:14:04,540 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:14:04,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:14:04,541 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:14:04,541 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:14:04,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:14:04,542 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:14:04,542 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:14:04,543 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:14:04,543 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:14:04,543 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:14:04,544 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:14:04,544 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:14:04,544 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:14:04,544 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:14:04,545 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:14:04,545 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-01 19:14:04,554 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:14:04,554 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:14:04,555 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:14:04,555 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 19:14:04,556 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:14:04,556 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:14:04,556 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:14:04,556 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:14:04,556 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:14:04,556 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:14:04,557 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:14:04,557 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:14:04,557 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:14:04,557 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 19:14:04,557 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 19:14:04,557 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:14:04,558 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:14:04,558 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:14:04,558 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:14:04,558 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 19:14:04,558 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 19:14:04,558 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:14:04,558 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:14:04,559 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:14:04,559 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:14:04,559 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:14:04,559 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:14:04,559 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-01 19:14:04,559 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-01 19:14:04,560 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:14:04,560 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 19:14:04,560 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 19:14:04,560 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_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/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 -> 71391a154c08c1da1cb11d5d7900dd0d1303e4a1 [2018-12-01 19:14:04,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:14:04,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:14:04,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:14:04,595 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:14:04,595 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:14:04,596 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c [2018-12-01 19:14:04,632 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/data/de12b2c90/49033e1adc11449faf029a890bd60045/FLAG03653bdeb [2018-12-01 19:14:05,018 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:14:05,018 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c [2018-12-01 19:14:05,022 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/data/de12b2c90/49033e1adc11449faf029a890bd60045/FLAG03653bdeb [2018-12-01 19:14:05,030 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/bin-2019/ukojak/data/de12b2c90/49033e1adc11449faf029a890bd60045 [2018-12-01 19:14:05,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:14:05,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:14:05,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:14:05,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:14:05,035 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:14:05,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:14:05" (1/1) ... [2018-12-01 19:14:05,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c437c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05, skipping insertion in model container [2018-12-01 19:14:05,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:14:05" (1/1) ... [2018-12-01 19:14:05,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:14:05,051 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:14:05,140 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:14:05,144 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:14:05,157 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:14:05,166 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:14:05,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05 WrapperNode [2018-12-01 19:14:05,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:14:05,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:14:05,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:14:05,167 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:14:05,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05" (1/1) ... [2018-12-01 19:14:05,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05" (1/1) ... [2018-12-01 19:14:05,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:14:05,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:14:05,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:14:05,188 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:14:05,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05" (1/1) ... [2018-12-01 19:14:05,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05" (1/1) ... [2018-12-01 19:14:05,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05" (1/1) ... [2018-12-01 19:14:05,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05" (1/1) ... [2018-12-01 19:14:05,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05" (1/1) ... [2018-12-01 19:14:05,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05" (1/1) ... [2018-12-01 19:14:05,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05" (1/1) ... [2018-12-01 19:14:05,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:14:05,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:14:05,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:14:05,204 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:14:05,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:14:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fdfe1bf5-17f7-479a-93c6-89ad49f42b96/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 [2018-12-01 19:14:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:14:05,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:15:34,676 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:15:34,676 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-01 19:15:34,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:15:34 BoogieIcfgContainer [2018-12-01 19:15:34,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:15:34,677 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 19:15:34,677 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 19:15:34,685 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 19:15:34,685 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:15:34" (1/1) ... [2018-12-01 19:15:34,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:15:34,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:15:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-12-01 19:15:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-12-01 19:15:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 19:15:34,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:15:34,749 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-01 19:15:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:15:46,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:15:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:17:24,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:17:24,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 11 states and 18 transitions. [2018-12-01 19:17:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 18 transitions. [2018-12-01 19:17:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 19:17:24,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:17:24,512 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-01 19:17:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-01 19:17:37,045 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:509) 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) [2018-12-01 19:17:37,047 INFO L168 Benchmark]: Toolchain (without parser) took 212015.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -122.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:17:37,049 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:17:37,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.35 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-01 19:17:37,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.57 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:17:37,050 INFO L168 Benchmark]: Boogie Preprocessor took 15.32 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:17:37,051 INFO L168 Benchmark]: RCFGBuilder took 89473.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:17:37,051 INFO L168 Benchmark]: CodeCheck took 122369.57 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: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:17:37,053 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:509) * 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.35 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.57 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.32 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 89473.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 122369.57 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: 27.5 MB). Peak memory consumption was 27.5 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...