./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/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 aa2086ab05aa915f1fa31296bc02fdb3a78fa087 ................................................................................................................................................................................................................................................. 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_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/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 aa2086ab05aa915f1fa31296bc02fdb3a78fa087 ......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:13:14,154 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:13:14,155 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:13:14,161 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:13:14,161 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:13:14,162 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:13:14,162 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:13:14,163 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:13:14,164 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:13:14,164 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:13:14,165 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:13:14,165 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:13:14,165 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:13:14,166 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:13:14,166 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:13:14,167 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:13:14,167 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:13:14,168 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:13:14,169 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:13:14,170 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:13:14,170 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:13:14,171 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:13:14,172 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:13:14,172 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:13:14,172 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:13:14,173 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:13:14,173 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:13:14,174 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:13:14,174 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:13:14,175 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:13:14,175 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:13:14,175 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:13:14,175 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:13:14,175 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:13:14,176 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:13:14,176 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:13:14,176 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 17:13:14,183 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:13:14,183 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:13:14,184 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:13:14,184 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 17:13:14,184 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 17:13:14,184 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 17:13:14,184 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:13:14,185 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:13:14,185 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:13:14,185 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:13:14,185 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:13:14,185 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:13:14,185 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:13:14,185 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:13:14,185 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:13:14,185 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:13:14,185 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:13:14,185 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:13:14,185 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 17:13:14,186 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 17:13:14,186 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:13:14,186 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:13:14,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:13:14,186 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:13:14,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:13:14,186 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:13:14,186 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 17:13:14,186 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:13:14,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:13:14,187 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_955da5ec-6111-4b2e-8295-d8181e6ba473/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 -> aa2086ab05aa915f1fa31296bc02fdb3a78fa087 [2018-12-09 17:13:14,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:13:14,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:13:14,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:13:14,217 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:13:14,218 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:13:14,218 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-12-09 17:13:14,263 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/data/c9ec347fc/c76e22c93fd343a8ad79f043c616a686/FLAGecacb7246 [2018-12-09 17:13:14,706 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:13:14,707 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-12-09 17:13:14,711 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/data/c9ec347fc/c76e22c93fd343a8ad79f043c616a686/FLAGecacb7246 [2018-12-09 17:13:14,720 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/data/c9ec347fc/c76e22c93fd343a8ad79f043c616a686 [2018-12-09 17:13:14,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:13:14,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:13:14,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:13:14,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:13:14,725 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:13:14,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:13:14" (1/1) ... [2018-12-09 17:13:14,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707ef703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14, skipping insertion in model container [2018-12-09 17:13:14,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:13:14" (1/1) ... [2018-12-09 17:13:14,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:13:14,747 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:13:14,870 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:13:14,872 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:13:14,929 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:13:14,947 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:13:14,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14 WrapperNode [2018-12-09 17:13:14,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:13:14,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:13:14,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:13:14,948 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:13:14,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14" (1/1) ... [2018-12-09 17:13:14,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14" (1/1) ... [2018-12-09 17:13:14,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:13:14,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:13:14,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:13:14,977 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:13:14,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14" (1/1) ... [2018-12-09 17:13:14,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14" (1/1) ... [2018-12-09 17:13:14,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14" (1/1) ... [2018-12-09 17:13:14,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14" (1/1) ... [2018-12-09 17:13:14,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14" (1/1) ... [2018-12-09 17:13:14,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14" (1/1) ... [2018-12-09 17:13:14,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14" (1/1) ... [2018-12-09 17:13:14,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:13:14,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:13:14,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:13:14,999 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:13:15,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:13:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 17:13:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 17:13:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 17:13:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:13:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:13:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:13:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 17:13:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-09 17:13:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 17:13:15,380 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:13:15,380 INFO L280 CfgBuilder]: Removed 24 assue(true) statements. [2018-12-09 17:13:15,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:15 BoogieIcfgContainer [2018-12-09 17:13:15,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:13:15,381 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 17:13:15,381 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 17:13:15,387 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 17:13:15,387 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:15" (1/1) ... [2018-12-09 17:13:15,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:13:15,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-12-09 17:13:15,416 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-12-09 17:13:15,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 17:13:15,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:13:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:15,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:13:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2018-12-09 17:13:15,486 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2018-12-09 17:13:15,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 17:13:15,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:13:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:13:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:13:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:13:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:13:15,596 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-09 17:13:15,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:13:15 ImpRootNode [2018-12-09 17:13:15,621 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 17:13:15,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:13:15,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:13:15,621 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:13:15,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:15" (3/4) ... [2018-12-09 17:13:15,624 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 17:13:15,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:13:15,625 INFO L168 Benchmark]: Toolchain (without parser) took 902.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -95.4 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:13:15,626 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:13:15,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 954.4 MB in the beginning and 1.2 GB in the end (delta: -197.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:13:15,627 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-09 17:13:15,627 INFO L168 Benchmark]: Boogie Preprocessor took 21.83 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-09 17:13:15,628 INFO L168 Benchmark]: RCFGBuilder took 381.40 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: 55.4 MB). Peak memory consumption was 55.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:13:15,628 INFO L168 Benchmark]: CodeCheck took 240.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:13:15,628 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:13:15,631 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, 61 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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: 191]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 190, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L182] double x = 0.0; [L183] double y = __VERIFIER_nondet_double(); [L185] COND TRUE y < 0.0 || y > 0.0 [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={2:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={2:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={2:0}] [L187] double res = fmod_double(x, y); [L190] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_fmod=1, Zero_fmod={2:0}] [L190] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L191] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={2:0}] * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 224.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 954.4 MB in the beginning and 1.2 GB in the end (delta: -197.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.83 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 381.40 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: 55.4 MB). Peak memory consumption was 55.4 MB. Max. memory is 11.5 GB. * CodeCheck took 240.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 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 0.1.23-635dfa2 [2018-12-09 17:13:16,977 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:13:16,978 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:13:16,984 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:13:16,984 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:13:16,984 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:13:16,985 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:13:16,986 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:13:16,986 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:13:16,987 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:13:16,987 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:13:16,987 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:13:16,988 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:13:16,988 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:13:16,989 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:13:16,989 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:13:16,989 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:13:16,990 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:13:16,991 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:13:16,992 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:13:16,992 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:13:16,993 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:13:16,994 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:13:16,994 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:13:16,994 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:13:16,995 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:13:16,995 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:13:16,995 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:13:16,996 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:13:16,996 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:13:16,997 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:13:16,997 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:13:16,997 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:13:16,997 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:13:16,998 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:13:16,998 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:13:16,998 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 17:13:17,005 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:13:17,005 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:13:17,006 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:13:17,006 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 17:13:17,006 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 17:13:17,006 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 17:13:17,006 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:13:17,007 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:13:17,007 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:13:17,007 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:13:17,007 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:13:17,007 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:13:17,007 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:13:17,007 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 17:13:17,007 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 17:13:17,007 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:13:17,007 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:13:17,007 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:13:17,008 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:13:17,008 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 17:13:17,008 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 17:13:17,008 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:13:17,008 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:13:17,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:13:17,008 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:13:17,008 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:13:17,008 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:13:17,008 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 17:13:17,008 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 17:13:17,009 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:13:17,009 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 17:13:17,009 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 17:13:17,009 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_955da5ec-6111-4b2e-8295-d8181e6ba473/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 -> aa2086ab05aa915f1fa31296bc02fdb3a78fa087 [2018-12-09 17:13:17,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:13:17,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:13:17,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:13:17,036 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:13:17,036 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:13:17,037 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-12-09 17:13:17,072 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/data/ecd327766/91feca442c3b426faf4751a3fea25027/FLAG47488d35c [2018-12-09 17:13:17,489 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:13:17,489 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-12-09 17:13:17,494 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/data/ecd327766/91feca442c3b426faf4751a3fea25027/FLAG47488d35c [2018-12-09 17:13:17,501 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/data/ecd327766/91feca442c3b426faf4751a3fea25027 [2018-12-09 17:13:17,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:13:17,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:13:17,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:13:17,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:13:17,507 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:13:17,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:13:17" (1/1) ... [2018-12-09 17:13:17,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f98f186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17, skipping insertion in model container [2018-12-09 17:13:17,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:13:17" (1/1) ... [2018-12-09 17:13:17,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:13:17,531 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:13:17,656 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:13:17,660 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:13:17,693 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:13:17,716 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:13:17,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17 WrapperNode [2018-12-09 17:13:17,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:13:17,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:13:17,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:13:17,717 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:13:17,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17" (1/1) ... [2018-12-09 17:13:17,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17" (1/1) ... [2018-12-09 17:13:17,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:13:17,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:13:17,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:13:17,786 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:13:17,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17" (1/1) ... [2018-12-09 17:13:17,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17" (1/1) ... [2018-12-09 17:13:17,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17" (1/1) ... [2018-12-09 17:13:17,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17" (1/1) ... [2018-12-09 17:13:17,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17" (1/1) ... [2018-12-09 17:13:17,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17" (1/1) ... [2018-12-09 17:13:17,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17" (1/1) ... [2018-12-09 17:13:17,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:13:17,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:13:17,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:13:17,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:13:17,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:13:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 17:13:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 17:13:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-12-09 17:13:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:13:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 17:13:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:13:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:13:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 17:13:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 17:13:17,940 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:13:17,961 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:13:17,995 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:13:18,044 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:13:22,007 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:13:22,007 INFO L280 CfgBuilder]: Removed 24 assue(true) statements. [2018-12-09 17:13:22,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:22 BoogieIcfgContainer [2018-12-09 17:13:22,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:13:22,008 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 17:13:22,008 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 17:13:22,014 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 17:13:22,014 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:22" (1/1) ... [2018-12-09 17:13:22,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:22,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:13:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-12-09 17:13:22,042 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-12-09 17:13:22,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 17:13:22,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:13:22,076 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 17:13:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:22,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:13:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:22,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:13:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2018-12-09 17:13:22,114 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2018-12-09 17:13:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 17:13:22,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:13:22,115 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 17:13:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:22,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:13:22,951 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:13:22,952 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:13:22,955 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 50 [2018-12-09 17:13:22,960 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:13:22,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-12-09 17:13:22,962 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 17:13:22,991 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-12-09 17:13:22,994 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 1 [2018-12-09 17:13:22,995 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 17:13:22,997 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,014 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:13:23,015 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:13:23,016 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 50 [2018-12-09 17:13:23,024 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:13:23,026 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-12-09 17:13:23,026 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,051 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-12-09 17:13:23,054 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 1 [2018-12-09 17:13:23,054 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,056 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,069 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-12-09 17:13:23,089 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:77, output treesize:35 [2018-12-09 17:13:23,140 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:13:23,140 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:13:23,142 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 78 [2018-12-09 17:13:23,236 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-12-09 17:13:23,236 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,264 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-12-09 17:13:23,286 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 9 [2018-12-09 17:13:23,286 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,292 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,307 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,423 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:13:23,423 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:13:23,424 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 78 [2018-12-09 17:13:23,483 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 43 [2018-12-09 17:13:23,508 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 9 [2018-12-09 17:13:23,509 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,521 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,546 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-12-09 17:13:23,551 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-12-09 17:13:23,551 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,553 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,566 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 17:13:23,610 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-12-09 17:13:23,611 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 10 variables, input treesize:141, output treesize:63 [2018-12-09 17:13:48,317 WARN L180 SmtUtils]: Spent 18.16 s on a formula simplification that was a NOOP. DAG size: 59 [2018-12-09 17:13:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:14:11,474 WARN L180 SmtUtils]: Spent 16.06 s on a formula simplification that was a NOOP. DAG size: 60 [2018-12-09 17:14:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:14:19,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-12-09 17:14:19,479 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-12-09 17:14:19,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 17:14:19,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:14:19,480 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 17:14:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:14:19,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:14:19,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:14:57,866 WARN L180 SmtUtils]: Spent 16.52 s on a formula simplification that was a NOOP. DAG size: 62 [2018-12-09 17:15:25,109 WARN L180 SmtUtils]: Spent 18.56 s on a formula simplification that was a NOOP. DAG size: 63 [2018-12-09 17:15:50,205 WARN L180 SmtUtils]: Spent 17.90 s on a formula simplification that was a NOOP. DAG size: 63 [2018-12-09 17:16:18,645 WARN L180 SmtUtils]: Spent 20.36 s on a formula simplification that was a NOOP. DAG size: 64 [2018-12-09 17:16:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:16:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-12-09 17:16:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-12-09 17:16:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 17:16:36,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:16:36,626 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 17:16:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:16:36,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:16:36,658 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:16:36,659 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:16:36,659 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-12-09 17:16:36,704 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:16:36,705 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 17:16:36,706 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 43 [2018-12-09 17:16:36,706 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 17:16:36,720 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-12-09 17:16:36,731 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 8 [2018-12-09 17:16:36,731 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 17:16:36,735 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 17:16:36,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 17:16:36,745 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 17:16:36,746 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:17 [2018-12-09 17:16:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:16:57,697 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2018-12-09 17:17:48,858 WARN L180 SmtUtils]: Spent 34.46 s on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2018-12-09 17:18:36,757 WARN L180 SmtUtils]: Spent 36.74 s on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2018-12-09 17:19:01,720 WARN L180 SmtUtils]: Spent 14.95 s on a formula simplification that was a NOOP. DAG size: 74 [2018-12-09 17:19:29,871 WARN L180 SmtUtils]: Spent 16.81 s on a formula simplification that was a NOOP. DAG size: 75 [2018-12-09 17:20:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:20:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2018-12-09 17:20:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-12-09 17:20:19,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 17:20:19,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:20:19,220 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 17:20:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:20:19,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:20:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:20:19,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:20:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-12-09 17:20:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-12-09 17:20:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 17:20:19,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:20:19,238 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 17:20:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:20:19,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:20:19,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:20:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:20:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-12-09 17:20:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-12-09 17:20:21,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:20:21,040 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-09 17:20:21,046 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 17:20:37,367 WARN L180 SmtUtils]: Spent 16.22 s on a formula simplification that was a NOOP. DAG size: 73 [2018-12-09 17:20:37,436 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 17:20:37,441 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-09 17:20:37,441 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,443 INFO L583 CodeCheckObserver]: Invariant with dag size 8 [2018-12-09 17:20:37,443 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 17:20:37,444 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:20:37,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:20:37 ImpRootNode [2018-12-09 17:20:37,444 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 17:20:37,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:20:37,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:20:37,444 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:20:37,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:22" (3/4) ... [2018-12-09 17:20:37,447 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:20:37,453 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 17:20:37,453 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 17:20:37,478 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_955da5ec-6111-4b2e-8295-d8181e6ba473/bin-2019/ukojak/witness.graphml [2018-12-09 17:20:37,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:20:37,478 INFO L168 Benchmark]: Toolchain (without parser) took 439974.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -75.8 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:20:37,479 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:20:37,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.22 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 17:20:37,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -204.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:20:37,480 INFO L168 Benchmark]: Boogie Preprocessor took 27.63 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. [2018-12-09 17:20:37,480 INFO L168 Benchmark]: RCFGBuilder took 4194.34 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-12-09 17:20:37,480 INFO L168 Benchmark]: CodeCheck took 435435.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -7.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.4 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. [2018-12-09 17:20:37,480 INFO L168 Benchmark]: Witness Printer took 34.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:20:37,482 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, 61 locations, 1 error locations. SAFE Result, 419.0s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1004 SDtfs, 406 SDslu, 356 SDs, 0 SdLazy, 1590 SolverSat, 472 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 113.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 714 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 975 ImplicationChecksByTransitivity, 387.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 32.6s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 78 ConstructedInterpolants, 15 QuantifiedInterpolants, 8470 SizeOfPredicates, 35 NumberOfNonLiveVariables, 395 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - PositiveResult [Line: 191]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 166]: Loop Invariant [2018-12-09 17:20:37,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,485 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-12-09 17:20:37,485 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] Derived loop invariant: (\exists v_prenex_26 : bv64 :: v_prenex_26[63:32] == msw && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_prenex_26[63:63], v_prenex_26[62:52], v_prenex_26[51:0])) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 * 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 212.22 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 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 68.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -204.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.63 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. * RCFGBuilder took 4194.34 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * CodeCheck took 435435.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -7.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.4 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. * Witness Printer took 34.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request...