./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/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 26bba4d307ba1cab1a3fe043c826d85928a7cf56 ................................................................................................................................................................................................................................................................ 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_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/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 26bba4d307ba1cab1a3fe043c826d85928a7cf56 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_1 term size 26 --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:49:55,221 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:49:55,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:49:55,228 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:49:55,229 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:49:55,229 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:49:55,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:49:55,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:49:55,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:49:55,233 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:49:55,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:49:55,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:49:55,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:49:55,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:49:55,235 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:49:55,236 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:49:55,236 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:49:55,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:49:55,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:49:55,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:49:55,240 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:49:55,240 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:49:55,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:49:55,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:49:55,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:49:55,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:49:55,243 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:49:55,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:49:55,244 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:49:55,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:49:55,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:49:55,245 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:49:55,245 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:49:55,245 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:49:55,246 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:49:55,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:49:55,247 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:49:55,256 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:49:55,257 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:49:55,257 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:49:55,257 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:49:55,258 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:49:55,258 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:49:55,258 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:49:55,258 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:49:55,258 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:49:55,258 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:49:55,259 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:49:55,259 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:49:55,259 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:49:55,259 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:49:55,259 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:49:55,259 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:49:55,259 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:49:55,259 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:49:55,260 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:49:55,260 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:49:55,260 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:49:55,260 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:49:55,260 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:49:55,260 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:49:55,260 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:49:55,260 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:49:55,261 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:49:55,261 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:49:55,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:49:55,261 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_ac028129-fa23-42ce-a99d-0bca65be3b51/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 -> 26bba4d307ba1cab1a3fe043c826d85928a7cf56 [2018-11-18 15:49:55,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:49:55,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:49:55,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:49:55,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:49:55,297 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:49:55,297 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-11-18 15:49:55,342 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/data/7a4381320/702b2092eeec47d0865e6791af2738ba/FLAG90e1b8dc7 [2018-11-18 15:49:55,763 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:49:55,763 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-11-18 15:49:55,768 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/data/7a4381320/702b2092eeec47d0865e6791af2738ba/FLAG90e1b8dc7 [2018-11-18 15:49:55,780 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/data/7a4381320/702b2092eeec47d0865e6791af2738ba [2018-11-18 15:49:55,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:49:55,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:49:55,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:55,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:49:55,787 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:49:55,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:55" (1/1) ... [2018-11-18 15:49:55,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63274aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55, skipping insertion in model container [2018-11-18 15:49:55,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:55" (1/1) ... [2018-11-18 15:49:55,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:49:55,814 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:49:55,937 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:55,939 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:49:55,955 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:55,969 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:49:55,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55 WrapperNode [2018-11-18 15:49:55,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:55,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:55,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:49:55,970 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:49:55,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55" (1/1) ... [2018-11-18 15:49:55,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55" (1/1) ... [2018-11-18 15:49:55,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:55,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:49:55,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:49:55,996 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:49:56,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55" (1/1) ... [2018-11-18 15:49:56,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55" (1/1) ... [2018-11-18 15:49:56,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55" (1/1) ... [2018-11-18 15:49:56,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55" (1/1) ... [2018-11-18 15:49:56,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55" (1/1) ... [2018-11-18 15:49:56,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55" (1/1) ... [2018-11-18 15:49:56,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55" (1/1) ... [2018-11-18 15:49:56,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:49:56,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:49:56,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:49:56,051 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:49:56,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/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 [2018-11-18 15:49:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-11-18 15:49:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-11-18 15:49:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 15:49:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:49:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:49:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:49:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:49:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:49:56,375 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:49:56,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:56 BoogieIcfgContainer [2018-11-18 15:49:56,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:49:56,376 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:49:56,377 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:49:56,384 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:49:56,384 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:56,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:56,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2018-11-18 15:49:56,413 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2018-11-18 15:49:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:49:56,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:56,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2018-11-18 15:49:56,508 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2018-11-18 15:49:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 15:49:56,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:56,608 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 15:49:56,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:49:56 ImpRootNode [2018-11-18 15:49:56,632 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:49:56,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:49:56,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:49:56,633 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:49:56,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:56" (3/4) ... [2018-11-18 15:49:56,635 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 15:49:56,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:49:56,636 INFO L168 Benchmark]: Toolchain (without parser) took 853.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -122.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:56,637 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:49:56,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.57 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:56,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.62 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:49:56,638 INFO L168 Benchmark]: Boogie Preprocessor took 55.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:56,639 INFO L168 Benchmark]: RCFGBuilder took 325.04 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:56,639 INFO L168 Benchmark]: CodeCheck took 255.69 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:56,640 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. [2018-11-18 15:49:56,642 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 2 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 77 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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: 78]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryArithmeticDOUBLEoperation at line 65. Possible FailurePath: [L64] double x = __VERIFIER_nondet_double(); [L65] double y = 0.0 / 0.0; [L72] CALL, EXPR isnan_double(x) [L16] RET return x != x; [L72] EXPR isnan_double(x) [L72] COND TRUE !isnan_double(x) [L74] CALL, EXPR fmax_double(x, y) [L55] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=0] [L27] __uint32_t msw, lsw; VAL [\old(x)=0, x=0] [L30] FCALL ieee_double_shape_type ew_u; [L31] FCALL ew_u.value = (x) [L32] EXPR, FCALL ew_u.parts.msw [L32] (msw) = ew_u.parts.msw [L33] EXPR, FCALL ew_u.parts.lsw [L33] (lsw) = ew_u.parts.lsw [L34] COND FALSE !(0) VAL [\old(x)=0, lsw=-4294967295, msw=2146435072, x=0] [L36-L37] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L39-L40] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L42-L43] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L46-L47] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L50] RET return 0; [L55] EXPR __fpclassify_double(x) [L55] COND TRUE __fpclassify_double(x) == 0 [L56] RET return y; [L74] EXPR fmax_double(x, y) [L74] double res = fmax_double(x, y); [L77] COND TRUE res != x [L78] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.57 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.62 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 325.04 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * CodeCheck took 255.69 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: 24.2 MB). Peak memory consumption was 24.2 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 0.1.23-5842f4b [2018-11-18 15:49:58,020 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:49:58,022 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:49:58,029 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:49:58,030 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:49:58,030 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:49:58,031 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:49:58,032 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:49:58,033 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:49:58,034 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:49:58,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:49:58,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:49:58,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:49:58,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:49:58,037 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:49:58,038 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:49:58,039 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:49:58,040 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:49:58,042 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:49:58,043 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:49:58,044 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:49:58,045 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:49:58,046 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:49:58,047 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:49:58,047 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:49:58,048 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:49:58,048 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:49:58,049 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:49:58,049 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:49:58,050 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:49:58,050 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:49:58,051 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:49:58,051 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:49:58,051 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:49:58,052 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:49:58,052 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:49:58,052 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 15:49:58,063 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:49:58,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:49:58,064 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:49:58,064 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:49:58,065 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:49:58,065 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:49:58,065 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:49:58,065 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:49:58,065 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:49:58,065 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:49:58,065 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:49:58,066 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:49:58,066 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:49:58,066 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 15:49:58,066 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 15:49:58,066 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:49:58,066 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:49:58,066 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:49:58,066 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:49:58,066 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:49:58,067 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:49:58,067 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:49:58,067 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:49:58,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:49:58,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:49:58,067 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:49:58,067 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:49:58,067 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 15:49:58,067 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 15:49:58,067 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:49:58,068 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 15:49:58,068 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 15:49:58,068 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_ac028129-fa23-42ce-a99d-0bca65be3b51/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 -> 26bba4d307ba1cab1a3fe043c826d85928a7cf56 [2018-11-18 15:49:58,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:49:58,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:49:58,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:49:58,107 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:49:58,107 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:49:58,108 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-11-18 15:49:58,144 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/data/e605b4b6d/8165a243ccb44745b3865dbe4c98a9ea/FLAGb69e96cf4 [2018-11-18 15:49:58,462 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:49:58,463 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-11-18 15:49:58,467 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/data/e605b4b6d/8165a243ccb44745b3865dbe4c98a9ea/FLAGb69e96cf4 [2018-11-18 15:49:58,902 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/bin-2019/ukojak/data/e605b4b6d/8165a243ccb44745b3865dbe4c98a9ea [2018-11-18 15:49:58,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:49:58,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:49:58,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:58,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:49:58,909 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:49:58,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:58" (1/1) ... [2018-11-18 15:49:58,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29055736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:58, skipping insertion in model container [2018-11-18 15:49:58,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:58" (1/1) ... [2018-11-18 15:49:58,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:49:58,930 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:49:59,048 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:59,051 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:49:59,068 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:59,086 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:49:59,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:59 WrapperNode [2018-11-18 15:49:59,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:59,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:59,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:49:59,087 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:49:59,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:59" (1/1) ... [2018-11-18 15:49:59,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:59" (1/1) ... [2018-11-18 15:49:59,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:59,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:49:59,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:49:59,113 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:49:59,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:59" (1/1) ... [2018-11-18 15:49:59,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:59" (1/1) ... [2018-11-18 15:49:59,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:59" (1/1) ... [2018-11-18 15:49:59,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:59" (1/1) ... [2018-11-18 15:49:59,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:59" (1/1) ... [2018-11-18 15:49:59,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:59" (1/1) ... [2018-11-18 15:49:59,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:59" (1/1) ... [2018-11-18 15:49:59,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:49:59,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:49:59,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:49:59,136 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:49:59,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac028129-fa23-42ce-a99d-0bca65be3b51/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 [2018-11-18 15:49:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 15:49:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-11-18 15:49:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-11-18 15:49:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:49:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 15:49:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:49:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:49:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:49:59,318 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:49:59,535 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:49:59,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:59 BoogieIcfgContainer [2018-11-18 15:49:59,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:49:59,536 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:49:59,536 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:49:59,543 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:49:59,543 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:59" (1/1) ... [2018-11-18 15:49:59,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:59,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2018-11-18 15:49:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-11-18 15:49:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:49:59,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:59,609 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:49:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:59,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:49:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:59,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:59,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-11-18 15:49:59,656 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-18 15:49:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:49:59,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:59,657 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 15:49:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:59,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:49:59,775 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 15:49:59,775 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 15:49:59,776 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 15:49:59,777 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 15:49:59,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2018-11-18 15:49:59,887 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-11-18 15:49:59,903 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 15:49:59,904 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimCell_1 term size 26 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:624) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:454) 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) [2018-11-18 15:49:59,906 INFO L168 Benchmark]: Toolchain (without parser) took 1001.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 951.9 MB in the beginning and 1.0 GB in the end (delta: -87.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:59,907 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-18 15:49:59,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.75 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:59,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.99 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:49:59,908 INFO L168 Benchmark]: Boogie Preprocessor took 22.46 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:49:59,908 INFO L168 Benchmark]: RCFGBuilder took 400.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:59,909 INFO L168 Benchmark]: CodeCheck took 369.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:59,911 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_1 term size 26 de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: var is still there: v_arrayElimCell_1 term size 26: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 179.75 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 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 25.99 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.46 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 400.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * CodeCheck took 369.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...