./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_poly2_false-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_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly2_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/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 b63905375af38d9971341930078b6c47230c38fd ................................................................................................................................................................................................................................................................. 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_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly2_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/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 b63905375af38d9971341930078b6c47230c38fd .................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:50:50,867 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:50:50,869 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:50:50,880 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:50:50,880 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:50:50,881 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:50:50,884 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:50:50,885 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:50:50,887 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:50:50,887 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:50:50,888 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:50:50,888 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:50:50,889 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:50:50,891 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:50:50,892 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:50:50,892 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:50:50,893 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:50:50,895 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:50:50,897 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:50:50,899 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:50:50,900 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:50:50,901 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:50:50,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:50:50,903 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:50:50,904 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:50:50,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:50:50,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:50:50,907 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:50:50,907 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:50:50,908 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:50:50,909 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:50:50,909 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:50:50,909 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:50:50,910 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:50:50,911 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:50:50,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:50:50,912 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:50:50,926 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:50:50,927 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:50:50,927 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:50:50,928 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:50:50,928 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:50:50,929 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:50:50,929 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:50:50,929 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:50:50,929 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:50:50,929 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:50:50,931 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:50:50,931 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:50:50,931 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:50:50,931 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:50:50,931 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:50:50,932 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:50:50,932 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:50:50,932 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:50:50,932 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:50:50,932 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:50:50,933 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:50:50,933 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:50:50,933 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:50:50,933 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:50:50,933 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:50:50,933 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:50:50,934 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:50:50,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:50:50,934 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_10498021-133f-4326-b663-eef8476239ea/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 -> b63905375af38d9971341930078b6c47230c38fd [2018-10-26 22:50:50,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:50:50,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:50:50,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:50:50,984 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:50:50,984 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:50:50,985 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_poly2_false-unreach-call.c [2018-10-26 22:50:51,046 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/data/adf05b8a9/051da1bad30740358747ea640e623802/FLAG7297ba36d [2018-10-26 22:50:51,422 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:50:51,422 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/sv-benchmarks/c/float-benchs/sqrt_poly2_false-unreach-call.c [2018-10-26 22:50:51,428 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/data/adf05b8a9/051da1bad30740358747ea640e623802/FLAG7297ba36d [2018-10-26 22:50:51,440 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/data/adf05b8a9/051da1bad30740358747ea640e623802 [2018-10-26 22:50:51,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:50:51,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:50:51,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:50:51,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:50:51,450 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:50:51,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:50:51" (1/1) ... [2018-10-26 22:50:51,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc9636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51, skipping insertion in model container [2018-10-26 22:50:51,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:50:51" (1/1) ... [2018-10-26 22:50:51,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:50:51,486 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:50:51,631 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:50:51,636 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:50:51,662 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:50:51,688 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:50:51,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51 WrapperNode [2018-10-26 22:50:51,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:50:51,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:50:51,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:50:51,689 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:50:51,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51" (1/1) ... [2018-10-26 22:50:51,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51" (1/1) ... [2018-10-26 22:50:51,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:50:51,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:50:51,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:50:51,731 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:50:51,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51" (1/1) ... [2018-10-26 22:50:51,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51" (1/1) ... [2018-10-26 22:50:51,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51" (1/1) ... [2018-10-26 22:50:51,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51" (1/1) ... [2018-10-26 22:50:51,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51" (1/1) ... [2018-10-26 22:50:51,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51" (1/1) ... [2018-10-26 22:50:51,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51" (1/1) ... [2018-10-26 22:50:51,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:50:51,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:50:51,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:50:51,759 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:50:51,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:50:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 22:50:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-26 22:50:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 22:50:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:50:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:50:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 22:50:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 22:50:52,908 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:50:52,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:50:52 BoogieIcfgContainer [2018-10-26 22:50:52,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:50:52,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:50:52,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:50:52,920 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:50:52,921 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:50:52" (1/1) ... [2018-10-26 22:50:52,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:50:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:50:52,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 22:50:52,971 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 22:50:52,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 22:50:52,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:50:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:50:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:50:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:50:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:50:53,178 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 22:50:53,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:50:53,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:50:53,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:50:53,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:50:53,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:50:53,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:50:53,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:50:53 ImpRootNode [2018-10-26 22:50:53,210 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:50:53,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:50:53,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:50:53,211 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:50:53,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:50:52" (3/4) ... [2018-10-26 22:50:53,214 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:50:53,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:50:53,215 INFO L168 Benchmark]: Toolchain (without parser) took 1771.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -118.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:50:53,217 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:50:53,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.49 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:50:53,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.70 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:50:53,219 INFO L168 Benchmark]: Boogie Preprocessor took 27.47 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:50:53,220 INFO L168 Benchmark]: RCFGBuilder took 1150.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:50:53,220 INFO L168 Benchmark]: CodeCheck took 301.04 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:50:53,221 INFO L168 Benchmark]: Witness Printer took 4.49 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:50:53,225 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, 32 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 33, overapproximation of someUnaryDOUBLEoperation at line 15, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryArithmeticDOUBLEoperation at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 56. Possible FailurePath: [L12] double C0 = 1.414213538; [L13] double C1 = 0.229761391; [L14] double C2 = 1.296735525; [L15] double C3 = -0.901098370; [L16] double C4 = 0.493553400; [L17] double C5 = -0.118958666; [L53] double x,y; [L55] x = __VERIFIER_nondet_double() [L58] CALL, EXPR sqrt_custom(x) [L26] CALL union u x; [L26] RET union u x; [L27] double r; [L28] int exp; [L30] FCALL x.d = a [L32] EXPR, FCALL x.i[0] [L32] exp = (x.i[0] & 0x7FF00000) >> 20 [L33] EXPR, FCALL x.i[0] [L33] FCALL x.i[0] = (x.i[0] & 0x800FFFFF) | 0x3FF00000 [L34] EXPR, FCALL x.d [L34] r = x.d * 0.5 [L36] r = C1+C2+(C3+(C4+C5*r)*r)*r [L38] COND TRUE exp % 2 == 0 [L39] exp++ [L45] FCALL x.i[0] = (exp/2 + 511) << 20 [L46] EXPR, FCALL x.d [L46] r = r * x.d [L48] return r; [L48] RET return r; [L58] EXPR sqrt_custom(x) [L58] y = sqrt_custom(x) [L60] CALL __VERIFIER_assert(y >= 0. && y <= 1e6) [L9] COND TRUE !(cond) VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L9] __VERIFIER_error() VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 242.49 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.70 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.47 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1150.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * CodeCheck took 301.04 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.49 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:50:55,341 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:50:55,342 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:50:55,353 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:50:55,353 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:50:55,354 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:50:55,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:50:55,357 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:50:55,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:50:55,359 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:50:55,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:50:55,360 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:50:55,361 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:50:55,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:50:55,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:50:55,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:50:55,364 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:50:55,366 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:50:55,368 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:50:55,369 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:50:55,370 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:50:55,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:50:55,374 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:50:55,374 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:50:55,374 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:50:55,375 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:50:55,376 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:50:55,377 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:50:55,378 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:50:55,379 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:50:55,379 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:50:55,380 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:50:55,380 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:50:55,380 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:50:55,381 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:50:55,382 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:50:55,382 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 22:50:55,403 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:50:55,403 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:50:55,404 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:50:55,404 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:50:55,406 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:50:55,406 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:50:55,407 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:50:55,407 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:50:55,407 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:50:55,407 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:50:55,407 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:50:55,407 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:50:55,408 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:50:55,408 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:50:55,408 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:50:55,408 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:50:55,408 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:50:55,409 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:50:55,409 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:50:55,409 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:50:55,409 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:50:55,409 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:50:55,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:50:55,412 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:50:55,412 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:50:55,412 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:50:55,412 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 22:50:55,412 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:50:55,412 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:50:55,413 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:50:55,413 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:50:55,413 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_10498021-133f-4326-b663-eef8476239ea/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 -> b63905375af38d9971341930078b6c47230c38fd [2018-10-26 22:50:55,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:50:55,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:50:55,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:50:55,478 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:50:55,479 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:50:55,480 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_poly2_false-unreach-call.c [2018-10-26 22:50:55,540 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/data/ff2da0b0a/00364a8a67f54981a2e0b11207973e67/FLAGdb01c4554 [2018-10-26 22:50:55,948 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:50:55,948 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/sv-benchmarks/c/float-benchs/sqrt_poly2_false-unreach-call.c [2018-10-26 22:50:55,954 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/data/ff2da0b0a/00364a8a67f54981a2e0b11207973e67/FLAGdb01c4554 [2018-10-26 22:50:55,966 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/data/ff2da0b0a/00364a8a67f54981a2e0b11207973e67 [2018-10-26 22:50:55,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:50:55,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:50:55,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:50:55,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:50:55,981 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:50:55,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:50:55" (1/1) ... [2018-10-26 22:50:55,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9882ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:55, skipping insertion in model container [2018-10-26 22:50:55,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:50:55" (1/1) ... [2018-10-26 22:50:55,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:50:56,012 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:50:56,177 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:50:56,184 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:50:56,219 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:50:56,252 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:50:56,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:56 WrapperNode [2018-10-26 22:50:56,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:50:56,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:50:56,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:50:56,254 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:50:56,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:56" (1/1) ... [2018-10-26 22:50:56,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:56" (1/1) ... [2018-10-26 22:50:56,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:50:56,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:50:56,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:50:56,299 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:50:56,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:56" (1/1) ... [2018-10-26 22:50:56,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:56" (1/1) ... [2018-10-26 22:50:56,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:56" (1/1) ... [2018-10-26 22:50:56,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:56" (1/1) ... [2018-10-26 22:50:56,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:56" (1/1) ... [2018-10-26 22:50:56,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:56" (1/1) ... [2018-10-26 22:50:56,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:56" (1/1) ... [2018-10-26 22:50:56,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:50:56,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:50:56,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:50:56,326 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:50:56,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:50:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10498021-133f-4326-b663-eef8476239ea/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:50:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-10-26 22:50:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-10-26 22:50:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-26 22:50:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:50:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:50:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 22:50:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 22:50:56,629 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:50:56,682 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:53:32,086 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:53:32,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:53:32 BoogieIcfgContainer [2018-10-26 22:53:32,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:53:32,088 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:53:32,088 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:53:32,100 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:53:32,100 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:53:32" (1/1) ... [2018-10-26 22:53:32,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:53:32,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 22:53:32,137 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 22:53:32,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 22:53:32,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:53:32,181 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:53:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-10-26 22:53:42,680 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 22:53:42,683 INFO L168 Benchmark]: Toolchain (without parser) took 166713.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -116.3 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:53:42,688 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:53:42,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.79 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:53:42,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.26 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:53:42,690 INFO L168 Benchmark]: Boogie Preprocessor took 26.69 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:53:42,691 INFO L168 Benchmark]: RCFGBuilder took 155761.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:53:42,691 INFO L168 Benchmark]: CodeCheck took 10594.95 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:53:42,696 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 0.21 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 278.79 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.26 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.69 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 155761.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * CodeCheck took 10594.95 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...