./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/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_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/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_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/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_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/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 0.1.23-1dbac8b [2018-11-10 12:27:51,008 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:27:51,009 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:27:51,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:27:51,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:27:51,017 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:27:51,017 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:27:51,019 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:27:51,020 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:27:51,020 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:27:51,021 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:27:51,021 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:27:51,022 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:27:51,022 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:27:51,023 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:27:51,024 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:27:51,024 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:27:51,026 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:27:51,027 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:27:51,028 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:27:51,029 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:27:51,030 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:27:51,031 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:27:51,031 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:27:51,031 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:27:51,032 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:27:51,033 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:27:51,033 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:27:51,034 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:27:51,035 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:27:51,035 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:27:51,035 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:27:51,036 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:27:51,036 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:27:51,036 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:27:51,037 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:27:51,037 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:27:51,047 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:27:51,048 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:27:51,048 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:27:51,048 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:27:51,049 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:27:51,049 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:27:51,049 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:27:51,049 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:27:51,049 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:27:51,049 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:27:51,050 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:27:51,050 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:27:51,050 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:27:51,050 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:27:51,050 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:27:51,050 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:27:51,050 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:27:51,051 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:27:51,051 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:27:51,051 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:27:51,051 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:27:51,051 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:27:51,051 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:27:51,051 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:27:51,051 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:27:51,052 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:27:51,052 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:27:51,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:27:51,052 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_fd67d789-6085-417c-905f-d3da0a7bfbba/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 [2018-11-10 12:27:51,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:27:51,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:27:51,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:27:51,084 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:27:51,085 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:27:51,085 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c [2018-11-10 12:27:51,123 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/data/34cb8e739/8be36256db5a4c258c17ce78a1a81b88/FLAGe1f5982ef [2018-11-10 12:27:51,424 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:27:51,424 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c [2018-11-10 12:27:51,429 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/data/34cb8e739/8be36256db5a4c258c17ce78a1a81b88/FLAGe1f5982ef [2018-11-10 12:27:51,439 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/data/34cb8e739/8be36256db5a4c258c17ce78a1a81b88 [2018-11-10 12:27:51,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:27:51,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:27:51,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:27:51,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:27:51,447 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:27:51,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49481402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51, skipping insertion in model container [2018-11-10 12:27:51,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:27:51,475 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:27:51,594 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:27:51,597 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:27:51,611 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:27:51,619 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:27:51,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51 WrapperNode [2018-11-10 12:27:51,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:27:51,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:27:51,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:27:51,620 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:27:51,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:27:51,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:27:51,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:27:51,639 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:27:51,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:27:51,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:27:51,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:27:51,654 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:27:51,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:27:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:27:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:27:51,864 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:27:51,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:27:51 BoogieIcfgContainer [2018-11-10 12:27:51,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:27:51,865 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:27:51,865 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:27:51,874 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:27:51,874 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:27:51" (1/1) ... [2018-11-10 12:27:51,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:27:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:27:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-11-10 12:27:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-11-10 12:27:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:27:51,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:27:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:27:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:27:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:27:51,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-10 12:27:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-10 12:27:51,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 12:27:51,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:27:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:27:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:27:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:27:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:27:52,030 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 12:27:52,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:27:52 ImpRootNode [2018-11-10 12:27:52,048 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:27:52,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:27:52,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:27:52,049 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:27:52,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:27:51" (3/4) ... [2018-11-10 12:27:52,052 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 12:27:52,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:27:52,052 INFO L168 Benchmark]: Toolchain (without parser) took 609.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:27:52,053 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:27:52,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.95 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:27:52,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.23 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:27:52,055 INFO L168 Benchmark]: Boogie Preprocessor took 13.83 ms. Allocated memory is still 1.0 GB. Free memory is still 945.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:27:52,055 INFO L168 Benchmark]: RCFGBuilder took 211.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:27:52,055 INFO L168 Benchmark]: CodeCheck took 183.37 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: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:27:52,056 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:27:52,058 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 19 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 15]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 39, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 50. Possible FailurePath: [L17] double _EPS = 1e-6; [L44] double d, r; [L46] d = 1. VAL [_EPS=1/1000000] [L46] COND TRUE d <= 20. [L48] CALL, EXPR SqrtR(d) [L21] double xn, xnp1, residu, lsup, linf; [L22] int i, cond; [L23] COND TRUE Input <= 1.0 [L23] xn = 1.0 [L24] xnp1 = xn [L25] residu = 2.0*_EPS*(xn+xnp1) [L26] lsup = _EPS * (xn+xnp1) [L27] linf = -lsup [L28] cond = ((residu > lsup) || (residu < linf)) [L29] i = 0 VAL [_EPS=1/1000000] [L30] COND FALSE !(\read(cond)) VAL [_EPS=1/1000000] [L39] RET return 1.0 / xnp1; [L48] EXPR SqrtR(d) [L48] r = SqrtR(d) [L50] CALL __VERIFIER_assert(r >= 1.0 && r <= 5.0) [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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.95 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.23 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.83 ms. Allocated memory is still 1.0 GB. Free memory is still 945.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 211.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * CodeCheck took 183.37 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: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:27:53,500 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:27:53,501 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:27:53,510 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:27:53,511 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:27:53,511 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:27:53,512 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:27:53,513 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:27:53,516 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:27:53,516 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:27:53,517 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:27:53,517 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:27:53,518 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:27:53,519 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:27:53,520 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:27:53,520 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:27:53,521 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:27:53,522 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:27:53,524 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:27:53,525 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:27:53,526 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:27:53,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:27:53,528 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:27:53,528 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:27:53,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:27:53,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:27:53,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:27:53,530 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:27:53,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:27:53,532 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:27:53,532 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:27:53,532 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:27:53,533 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:27:53,533 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:27:53,533 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:27:53,534 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:27:53,534 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 12:27:53,544 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:27:53,545 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:27:53,545 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:27:53,546 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:27:53,546 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:27:53,546 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:27:53,547 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:27:53,547 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:27:53,547 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:27:53,547 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:27:53,547 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:27:53,547 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:27:53,547 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:27:53,547 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:27:53,548 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:27:53,548 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:27:53,548 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:27:53,548 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:27:53,548 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:27:53,548 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:27:53,548 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:27:53,549 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:27:53,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:27:53,549 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:27:53,549 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:27:53,549 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:27:53,549 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 12:27:53,549 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 12:27:53,550 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:27:53,550 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:27:53,550 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:27:53,550 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_fd67d789-6085-417c-905f-d3da0a7bfbba/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 [2018-11-10 12:27:53,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:27:53,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:27:53,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:27:53,595 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:27:53,595 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:27:53,596 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c [2018-11-10 12:27:53,643 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/data/e87f10bbc/24c2777553e2489a8b902be6bb70c87d/FLAG9c0437561 [2018-11-10 12:27:53,964 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:27:53,964 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/sv-benchmarks/c/float-benchs/sqrt_Householder_constant_true-unreach-call.c [2018-11-10 12:27:53,968 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/data/e87f10bbc/24c2777553e2489a8b902be6bb70c87d/FLAG9c0437561 [2018-11-10 12:27:53,977 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/data/e87f10bbc/24c2777553e2489a8b902be6bb70c87d [2018-11-10 12:27:53,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:27:53,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:27:53,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:27:53,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:27:53,983 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:27:53,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:27:53" (1/1) ... [2018-11-10 12:27:53,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147cd99d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:53, skipping insertion in model container [2018-11-10 12:27:53,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:27:53" (1/1) ... [2018-11-10 12:27:53,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:27:54,007 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:27:54,116 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:27:54,120 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:27:54,137 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:27:54,149 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:27:54,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:54 WrapperNode [2018-11-10 12:27:54,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:27:54,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:27:54,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:27:54,151 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:27:54,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:54" (1/1) ... [2018-11-10 12:27:54,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:54" (1/1) ... [2018-11-10 12:27:54,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:27:54,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:27:54,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:27:54,173 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:27:54,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:54" (1/1) ... [2018-11-10 12:27:54,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:54" (1/1) ... [2018-11-10 12:27:54,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:54" (1/1) ... [2018-11-10 12:27:54,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:54" (1/1) ... [2018-11-10 12:27:54,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:54" (1/1) ... [2018-11-10 12:27:54,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:54" (1/1) ... [2018-11-10 12:27:54,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:54" (1/1) ... [2018-11-10 12:27:54,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:27:54,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:27:54,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:27:54,187 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:27:54,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd67d789-6085-417c-905f-d3da0a7bfbba/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:27:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:27:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:29:07,820 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:29:07,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:29:07 BoogieIcfgContainer [2018-11-10 12:29:07,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:29:07,821 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:29:07,821 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:29:07,830 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:29:07,831 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:29:07" (1/1) ... [2018-11-10 12:29:07,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:29:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:29:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-11-10 12:29:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-11-10 12:29:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:29:07,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:29:07,894 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:29:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:29:07,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:29:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:29:07,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:29:07,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-10 12:29:07,935 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-10 12:29:07,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 12:29:07,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:29:07,936 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:29:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:29:15,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:29:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:30:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:30:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-11-10 12:30:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-11-10 12:30:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 12:30:55,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:30:55,665 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:31:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-10 12:31:08,083 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 12:31:08,086 INFO L168 Benchmark]: Toolchain (without parser) took 194106.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -127.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:31:08,087 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:31:08,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.65 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:31:08,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.17 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:31:08,089 INFO L168 Benchmark]: Boogie Preprocessor took 14.35 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:31:08,089 INFO L168 Benchmark]: RCFGBuilder took 73633.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:31:08,090 INFO L168 Benchmark]: CodeCheck took 120264.36 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:31:08,092 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 0.16 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 169.65 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.17 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.35 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 73633.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * CodeCheck took 120264.36 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: 33.5 MB). Peak memory consumption was 33.5 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...