./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/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_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/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_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/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_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/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: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 21:03:14,817 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 21:03:14,818 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 21:03:14,824 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 21:03:14,825 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 21:03:14,825 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 21:03:14,826 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 21:03:14,827 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 21:03:14,827 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 21:03:14,828 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 21:03:14,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 21:03:14,828 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 21:03:14,829 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 21:03:14,829 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 21:03:14,830 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 21:03:14,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 21:03:14,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 21:03:14,832 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 21:03:14,833 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 21:03:14,833 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 21:03:14,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 21:03:14,835 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 21:03:14,836 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 21:03:14,836 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 21:03:14,836 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 21:03:14,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 21:03:14,837 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 21:03:14,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 21:03:14,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 21:03:14,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 21:03:14,838 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 21:03:14,839 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 21:03:14,839 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 21:03:14,839 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 21:03:14,839 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 21:03:14,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 21:03:14,840 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 21:03:14,847 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 21:03:14,847 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 21:03:14,847 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 21:03:14,848 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 21:03:14,848 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 21:03:14,848 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 21:03:14,848 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 21:03:14,848 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 21:03:14,848 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 21:03:14,848 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 21:03:14,848 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 21:03:14,849 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 21:03:14,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 21:03:14,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 21:03:14,849 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 21:03:14,849 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 21:03:14,849 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 21:03:14,849 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 21:03:14,849 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 21:03:14,849 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 21:03:14,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 21:03:14,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 21:03:14,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 21:03:14,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 21:03:14,850 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 21:03:14,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 21:03:14,850 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 21:03:14,850 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 21:03:14,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 21:03:14,850 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_22b5068d-1bb3-4448-ac72-e474e3a9842c/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 [2018-12-08 21:03:14,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 21:03:14,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 21:03:14,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 21:03:14,876 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 21:03:14,877 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 21:03:14,877 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-12-08 21:03:14,914 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/data/71432bbe2/5341eb0dded44542bc0ad1772c17a88b/FLAG3dd3b482e [2018-12-08 21:03:15,350 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 21:03:15,351 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-12-08 21:03:15,355 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/data/71432bbe2/5341eb0dded44542bc0ad1772c17a88b/FLAG3dd3b482e [2018-12-08 21:03:15,363 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/data/71432bbe2/5341eb0dded44542bc0ad1772c17a88b [2018-12-08 21:03:15,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 21:03:15,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 21:03:15,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 21:03:15,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 21:03:15,368 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 21:03:15,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15, skipping insertion in model container [2018-12-08 21:03:15,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 21:03:15,384 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 21:03:15,481 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 21:03:15,483 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 21:03:15,497 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 21:03:15,509 INFO L195 MainTranslator]: Completed translation [2018-12-08 21:03:15,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15 WrapperNode [2018-12-08 21:03:15,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 21:03:15,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 21:03:15,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 21:03:15,510 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 21:03:15,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 21:03:15,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 21:03:15,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 21:03:15,564 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 21:03:15,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 21:03:15,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 21:03:15,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 21:03:15,584 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 21:03:15,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/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 [2018-12-08 21:03:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-08 21:03:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-08 21:03:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 21:03:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 21:03:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 21:03:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 21:03:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 21:03:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 21:03:15,839 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 21:03:15,840 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 21:03:15,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:03:15 BoogieIcfgContainer [2018-12-08 21:03:15,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 21:03:15,840 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 21:03:15,841 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 21:03:15,851 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 21:03:15,851 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:03:15" (1/1) ... [2018-12-08 21:03:15,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:03:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:03:15,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2018-12-08 21:03:15,889 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2018-12-08 21:03:15,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 21:03:15,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:03:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:03:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:03:15,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:03:15,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2018-12-08 21:03:15,967 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2018-12-08 21:03:15,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 21:03:15,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:03:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 21:03:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 21:03:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 21:03:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 21:03:16,059 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 21:03:16,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 09:03:16 ImpRootNode [2018-12-08 21:03:16,081 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 21:03:16,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 21:03:16,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 21:03:16,081 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 21:03:16,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:03:15" (3/4) ... [2018-12-08 21:03:16,084 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 21:03:16,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 21:03:16,085 INFO L168 Benchmark]: Toolchain (without parser) took 719.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -96.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-12-08 21:03:16,086 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 21:03:16,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.13 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 21:03:16,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-08 21:03:16,088 INFO L168 Benchmark]: Boogie Preprocessor took 19.93 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. [2018-12-08 21:03:16,088 INFO L168 Benchmark]: RCFGBuilder took 256.61 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-12-08 21:03:16,088 INFO L168 Benchmark]: CodeCheck took 240.38 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-12-08 21:03:16,089 INFO L168 Benchmark]: Witness Printer took 3.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 21:03:16,091 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, 0.1s 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; [L16] return x != x; [L72] COND TRUE !isnan_double(x) [L55] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=1] [L27] __uint32_t msw, lsw; VAL [\old(x)=1, x=1] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (msw) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lsw) = ew_u.parts.lsw [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] return 0; [L55] RET, EXPR __fpclassify_double(x) [L55] COND TRUE __fpclassify_double(x) == 0 [L56] return 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.13 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.93 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 256.61 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * CodeCheck took 240.38 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 21:03:17,374 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 21:03:17,375 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 21:03:17,381 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 21:03:17,381 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 21:03:17,382 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 21:03:17,383 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 21:03:17,384 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 21:03:17,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 21:03:17,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 21:03:17,385 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 21:03:17,385 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 21:03:17,386 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 21:03:17,386 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 21:03:17,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 21:03:17,387 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 21:03:17,388 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 21:03:17,389 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 21:03:17,390 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 21:03:17,390 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 21:03:17,391 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 21:03:17,392 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 21:03:17,393 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 21:03:17,393 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 21:03:17,393 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 21:03:17,393 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 21:03:17,394 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 21:03:17,394 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 21:03:17,395 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 21:03:17,395 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 21:03:17,395 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 21:03:17,396 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 21:03:17,396 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 21:03:17,396 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 21:03:17,397 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 21:03:17,397 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 21:03:17,397 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 21:03:17,405 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 21:03:17,405 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 21:03:17,405 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 21:03:17,406 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 21:03:17,406 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 21:03:17,406 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 21:03:17,406 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 21:03:17,406 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 21:03:17,407 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 21:03:17,407 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 21:03:17,407 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 21:03:17,407 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 21:03:17,407 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 21:03:17,407 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 21:03:17,407 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 21:03:17,407 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 21:03:17,408 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 21:03:17,408 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 21:03:17,408 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 21:03:17,408 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 21:03:17,408 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 21:03:17,408 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 21:03:17,408 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 21:03:17,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 21:03:17,409 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 21:03:17,409 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 21:03:17,409 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 21:03:17,409 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 21:03:17,409 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 21:03:17,409 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 21:03:17,409 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 21:03:17,410 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 21:03:17,410 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_22b5068d-1bb3-4448-ac72-e474e3a9842c/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 [2018-12-08 21:03:17,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 21:03:17,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 21:03:17,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 21:03:17,438 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 21:03:17,438 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 21:03:17,438 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-12-08 21:03:17,474 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/data/92b4e619d/dd186fcc7313457a908d2fea3da4c630/FLAG36b92a8b4 [2018-12-08 21:03:17,822 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 21:03:17,823 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-12-08 21:03:17,826 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/data/92b4e619d/dd186fcc7313457a908d2fea3da4c630/FLAG36b92a8b4 [2018-12-08 21:03:18,204 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/data/92b4e619d/dd186fcc7313457a908d2fea3da4c630 [2018-12-08 21:03:18,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 21:03:18,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 21:03:18,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 21:03:18,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 21:03:18,209 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 21:03:18,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45734aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18, skipping insertion in model container [2018-12-08 21:03:18,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 21:03:18,225 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 21:03:18,318 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 21:03:18,321 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 21:03:18,337 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 21:03:18,354 INFO L195 MainTranslator]: Completed translation [2018-12-08 21:03:18,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18 WrapperNode [2018-12-08 21:03:18,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 21:03:18,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 21:03:18,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 21:03:18,355 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 21:03:18,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 21:03:18,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 21:03:18,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 21:03:18,377 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 21:03:18,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 21:03:18,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 21:03:18,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 21:03:18,396 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 21:03:18,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:03:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/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 [2018-12-08 21:03:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 21:03:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-08 21:03:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-08 21:03:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 21:03:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 21:03:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 21:03:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 21:03:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 21:03:18,573 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 21:03:18,728 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 21:03:18,728 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 21:03:18,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:03:18 BoogieIcfgContainer [2018-12-08 21:03:18,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 21:03:18,729 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 21:03:18,729 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 21:03:18,736 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 21:03:18,736 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:03:18" (1/1) ... [2018-12-08 21:03:18,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:03:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:03:18,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2018-12-08 21:03:18,768 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-12-08 21:03:18,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 21:03:18,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:03:18,807 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 21:03:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:03:18,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 21:03:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:03:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:03:18,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-12-08 21:03:18,853 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-12-08 21:03:18,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 21:03:18,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:03:18,854 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 21:03:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:03:18,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 21:03:18,965 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 21:03:18,966 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 21:03:18,970 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 33 treesize of output 43 [2018-12-08 21:03:19,001 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 27 treesize of output 24 [2018-12-08 21:03:19,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 21:03:19,013 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 24 treesize of output 18 [2018-12-08 21:03:19,018 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 18 treesize of output 4 [2018-12-08 21:03:19,018 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 21:03:19,021 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 21:03:19,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 21:03:19,034 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. [2018-12-08 21:03:19,034 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-08 21:03:24,465 WARN L180 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 4200 DAG size of output: 215 [2018-12-08 21:03:24,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:03:25,140 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2018-12-08 21:03:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:03:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 19 transitions. [2018-12-08 21:03:25,334 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-12-08 21:03:25,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 21:03:25,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:03:25,335 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 21:03:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:03:25,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 21:03:25,545 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 21:03:25,546 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 21:03:25,546 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 33 treesize of output 43 [2018-12-08 21:03:25,583 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 21:03:25,590 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 24 treesize of output 24 [2018-12-08 21:03:25,590 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 21:03:25,599 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 24 treesize of output 18 [2018-12-08 21:03:25,604 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 18 treesize of output 4 [2018-12-08 21:03:25,604 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 21:03:25,606 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 21:03:25,608 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 21:03:25,615 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. [2018-12-08 21:03:25,615 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-08 21:03:28,038 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 13 [2018-12-08 21:03:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 21:03:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:03:29,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 16 states and 17 transitions. [2018-12-08 21:03:29,618 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-08 21:03:29,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 21:03:29,618 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-12-08 21:03:29,623 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 21:03:29,840 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2018-12-08 21:03:29,862 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 21:03:29,864 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 21:03:29,868 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 21:03:29,868 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 21:03:29,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 09:03:29 ImpRootNode [2018-12-08 21:03:29,869 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 21:03:29,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 21:03:29,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 21:03:29,869 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 21:03:29,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:03:18" (3/4) ... [2018-12-08 21:03:29,872 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 21:03:29,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2018-12-08 21:03:29,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-08 21:03:29,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 21:03:29,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 21:03:29,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-08 21:03:29,910 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22b5068d-1bb3-4448-ac72-e474e3a9842c/bin-2019/ukojak/witness.graphml [2018-12-08 21:03:29,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 21:03:29,911 INFO L168 Benchmark]: Toolchain (without parser) took 11704.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.5 MB). Free memory was 943.4 MB in the beginning and 857.7 MB in the end (delta: 85.7 MB). Peak memory consumption was 388.2 MB. Max. memory is 11.5 GB. [2018-12-08 21:03:29,911 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. [2018-12-08 21:03:29,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.35 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 21:03:29,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.36 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 21:03:29,912 INFO L168 Benchmark]: Boogie Preprocessor took 18.15 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 21:03:29,912 INFO L168 Benchmark]: RCFGBuilder took 333.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-08 21:03:29,912 INFO L168 Benchmark]: CodeCheck took 11139.53 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 857.7 MB in the end (delta: 222.2 MB). Peak memory consumption was 406.2 MB. Max. memory is 11.5 GB. [2018-12-08 21:03:29,913 INFO L168 Benchmark]: Witness Printer took 41.61 ms. Allocated memory is still 1.3 GB. Free memory is still 857.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 21:03:29,914 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, 27 locations, 1 error locations. SAFE Result, 10.8s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 8 SDslu, 8 SDs, 0 SdLazy, 220 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 6 QuantifiedInterpolants, 14777 SizeOfPredicates, 23 NumberOfNonLiveVariables, 149 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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: 78]: 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: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: 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 147.35 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.36 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.15 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 333.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 11139.53 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 857.7 MB in the end (delta: 222.2 MB). Peak memory consumption was 406.2 MB. Max. memory is 11.5 GB. * Witness Printer took 41.61 ms. Allocated memory is still 1.3 GB. Free memory is still 857.7 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...