./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1232a_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_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1232a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/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 4284cb37841cd94fe17da64cc250a8a1e69c6375 ............................................................................................................................................................................................................................................ 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_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1232a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/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 4284cb37841cd94fe17da64cc250a8a1e69c6375 ....................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:43:58,777 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:43:58,778 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:43:58,784 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:43:58,784 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:43:58,785 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:43:58,786 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:43:58,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:43:58,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:43:58,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:43:58,788 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:43:58,788 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:43:58,789 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:43:58,789 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:43:58,790 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:43:58,790 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:43:58,791 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:43:58,792 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:43:58,792 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:43:58,793 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:43:58,794 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:43:58,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:43:58,796 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:43:58,796 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:43:58,796 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:43:58,797 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:43:58,797 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:43:58,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:43:58,798 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:43:58,799 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:43:58,799 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:43:58,799 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:43:58,799 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:43:58,799 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:43:58,800 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:43:58,800 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:43:58,801 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 18:43:58,808 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:43:58,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:43:58,808 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:43:58,808 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:43:58,809 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:43:58,809 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:43:58,809 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:43:58,809 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:43:58,809 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:43:58,809 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:43:58,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:43:58,810 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:43:58,810 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:43:58,810 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:43:58,810 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:43:58,810 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:43:58,810 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:43:58,810 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:43:58,811 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:43:58,811 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:43:58,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:43:58,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:43:58,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:43:58,811 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:43:58,811 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:43:58,811 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:43:58,812 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:43:58,812 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:43:58,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:43:58,812 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_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/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 -> 4284cb37841cd94fe17da64cc250a8a1e69c6375 [2018-12-01 18:43:58,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:43:58,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:43:58,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:43:58,842 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:43:58,842 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:43:58,843 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1232a_true-unreach-call.c [2018-12-01 18:43:58,884 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/data/0fea67a1c/d5dc8e87a0ca4405ad80a623f829b940/FLAGf89a6dbf6 [2018-12-01 18:43:59,252 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:43:59,253 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/sv-benchmarks/c/float-newlib/double_req_bl_1232a_true-unreach-call.c [2018-12-01 18:43:59,257 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/data/0fea67a1c/d5dc8e87a0ca4405ad80a623f829b940/FLAGf89a6dbf6 [2018-12-01 18:43:59,623 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/data/0fea67a1c/d5dc8e87a0ca4405ad80a623f829b940 [2018-12-01 18:43:59,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:43:59,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:43:59,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:43:59,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:43:59,629 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:43:59,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:43:59" (1/1) ... [2018-12-01 18:43:59,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21bd89b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59, skipping insertion in model container [2018-12-01 18:43:59,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:43:59" (1/1) ... [2018-12-01 18:43:59,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:43:59,647 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:43:59,743 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:43:59,745 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:43:59,761 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:43:59,773 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:43:59,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59 WrapperNode [2018-12-01 18:43:59,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:43:59,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:43:59,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:43:59,774 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:43:59,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59" (1/1) ... [2018-12-01 18:43:59,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59" (1/1) ... [2018-12-01 18:43:59,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:43:59,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:43:59,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:43:59,829 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:43:59,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59" (1/1) ... [2018-12-01 18:43:59,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59" (1/1) ... [2018-12-01 18:43:59,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59" (1/1) ... [2018-12-01 18:43:59,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59" (1/1) ... [2018-12-01 18:43:59,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59" (1/1) ... [2018-12-01 18:43:59,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59" (1/1) ... [2018-12-01 18:43:59,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59" (1/1) ... [2018-12-01 18:43:59,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:43:59,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:43:59,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:43:59,848 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:43:59,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/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 [2018-12-01 18:43:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-01 18:43:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-01 18:43:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-01 18:43:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:43:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:43:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:43:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 18:43:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 18:44:00,110 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:44:00,110 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-01 18:44:00,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:44:00 BoogieIcfgContainer [2018-12-01 18:44:00,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:44:00,110 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:44:00,110 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:44:00,117 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:44:00,117 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:44:00" (1/1) ... [2018-12-01 18:44:00,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:44:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:00,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-01 18:44:00,147 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-01 18:44:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 18:44:00,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:00,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-01 18:44:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-01 18:44:00,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:44:00,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:44:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:44:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:44:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:44:00,301 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-01 18:44:00,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:44:00 ImpRootNode [2018-12-01 18:44:00,319 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:44:00,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:44:00,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:44:00,320 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:44:00,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:44:00" (3/4) ... [2018-12-01 18:44:00,322 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 18:44:00,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:44:00,323 INFO L168 Benchmark]: Toolchain (without parser) took 697.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -74.1 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-12-01 18:44:00,324 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-12-01 18:44:00,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:44:00,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:44:00,325 INFO L168 Benchmark]: Boogie Preprocessor took 18.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:44:00,325 INFO L168 Benchmark]: RCFGBuilder took 262.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-12-01 18:44:00,326 INFO L168 Benchmark]: CodeCheck took 208.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:44:00,326 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:44:00,328 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, 31 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 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: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someUnaryDOUBLEoperation at line 75. Possible FailurePath: [L74] double x = 0.0; [L75] double y = -0.0; [L46] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=0] [L19] __uint32_t msw, lsw; VAL [\old(x)=0, x=0] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (msw) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (lsw) = ew_u.parts.lsw [L28-L29] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L31-L32] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L34-L35] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L38-L39] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L42] return 0; [L46] RET, EXPR __fpclassify_double(x) [L46] COND TRUE __fpclassify_double(x) == 0 [L47] return y; [L76] double res = fmin_double(x, y); [L79] EXPR res == -0.0 && __signbit_double(res) == 1 [L79] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L80] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 146.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 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 54.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 262.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * CodeCheck took 208.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.1 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 [2018-12-01 18:44:01,676 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:44:01,677 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:44:01,683 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:44:01,683 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:44:01,684 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:44:01,685 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:44:01,686 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:44:01,686 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:44:01,687 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:44:01,687 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:44:01,687 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:44:01,688 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:44:01,688 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:44:01,689 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:44:01,689 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:44:01,690 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:44:01,691 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:44:01,692 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:44:01,692 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:44:01,693 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:44:01,693 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:44:01,694 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:44:01,695 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:44:01,695 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:44:01,695 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:44:01,696 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:44:01,696 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:44:01,697 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:44:01,697 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:44:01,697 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:44:01,698 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:44:01,698 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:44:01,698 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:44:01,698 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:44:01,699 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:44:01,699 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-01 18:44:01,706 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:44:01,707 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:44:01,707 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:44:01,707 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:44:01,708 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:44:01,708 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:44:01,708 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:44:01,708 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:44:01,708 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:44:01,708 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:44:01,708 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:44:01,708 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:44:01,709 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:44:01,709 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 18:44:01,709 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 18:44:01,709 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:44:01,709 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:44:01,709 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:44:01,709 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:44:01,709 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:44:01,710 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:44:01,710 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:44:01,710 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:44:01,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:44:01,710 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:44:01,710 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:44:01,710 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:44:01,711 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-01 18:44:01,711 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-01 18:44:01,711 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:44:01,711 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 18:44:01,711 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 18:44:01,711 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_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/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 -> 4284cb37841cd94fe17da64cc250a8a1e69c6375 [2018-12-01 18:44:01,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:44:01,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:44:01,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:44:01,743 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:44:01,743 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:44:01,744 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1232a_true-unreach-call.c [2018-12-01 18:44:01,788 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/data/5551fbdfe/053f9e064bd648448030d1205917b157/FLAG05c23d531 [2018-12-01 18:44:02,114 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:44:02,115 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/sv-benchmarks/c/float-newlib/double_req_bl_1232a_true-unreach-call.c [2018-12-01 18:44:02,119 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/data/5551fbdfe/053f9e064bd648448030d1205917b157/FLAG05c23d531 [2018-12-01 18:44:02,127 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/data/5551fbdfe/053f9e064bd648448030d1205917b157 [2018-12-01 18:44:02,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:44:02,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:44:02,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:44:02,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:44:02,132 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:44:02,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02, skipping insertion in model container [2018-12-01 18:44:02,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:44:02,148 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:44:02,243 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:44:02,246 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:44:02,264 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:44:02,281 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:44:02,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02 WrapperNode [2018-12-01 18:44:02,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:44:02,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:44:02,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:44:02,282 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:44:02,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:44:02,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:44:02,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:44:02,306 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:44:02,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:44:02,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:44:02,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:44:02,355 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:44:02,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:44:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/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 [2018-12-01 18:44:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-01 18:44:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-01 18:44:02,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-01 18:44:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:44:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 18:44:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:44:02,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:44:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 18:44:02,510 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:44:02,586 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:44:02,709 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:44:02,710 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-01 18:44:02,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:44:02 BoogieIcfgContainer [2018-12-01 18:44:02,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:44:02,710 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:44:02,710 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:44:02,717 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:44:02,717 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:44:02" (1/1) ... [2018-12-01 18:44:02,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:44:02,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-01 18:44:02,746 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-01 18:44:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 18:44:02,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,786 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 18:44:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-12-01 18:44:02,828 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-12-01 18:44:02,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 18:44:02,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,829 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 18:44:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:02,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:02,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-12-01 18:44:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-01 18:44:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 18:44:02,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,944 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 18:44:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:02,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-12-01 18:44:02,959 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-01 18:44:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:44:02,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,960 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 18:44:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:03,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:03,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 31 transitions. [2018-12-01 18:44:03,286 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-12-01 18:44:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:44:03,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:03,287 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 18:44:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:03,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:03,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 18:44:03,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 29 transitions. [2018-12-01 18:44:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2018-12-01 18:44:03,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 18:44:03,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:03,703 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 18:44:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:03,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:03,800 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 18:44:03,801 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 18:44:03,804 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 [2018-12-01 18:44:03,838 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 21 [2018-12-01 18:44:03,838 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 18:44:03,849 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 [2018-12-01 18:44:03,855 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 [2018-12-01 18:44:03,855 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 18:44:03,857 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 18:44:03,861 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 18:44:03,872 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. [2018-12-01 18:44:03,872 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-01 18:44:13,578 WARN L180 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 4205 DAG size of output: 221 [2018-12-01 18:44:14,044 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 18:44:14,044 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 18:44:14,045 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 [2018-12-01 18:44:14,088 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 [2018-12-01 18:44:14,089 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 18:44:14,106 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 [2018-12-01 18:44:14,118 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 [2018-12-01 18:44:14,118 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 18:44:14,123 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 18:44:14,127 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 18:44:14,134 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. [2018-12-01 18:44:14,135 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:18 [2018-12-01 18:44:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 18:44:22,069 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-12-01 18:44:22,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 18 states and 18 transitions. [2018-12-01 18:44:22,835 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-12-01 18:44:22,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:44:22,836 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-01 18:44:22,841 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 18:44:23,077 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-12-01 18:44:23,105 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:44:23,107 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 18:44:23,111 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:44:23,111 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:44:23,111 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:44:23,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:44:23 ImpRootNode [2018-12-01 18:44:23,111 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:44:23,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:44:23,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:44:23,112 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:44:23,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:44:02" (3/4) ... [2018-12-01 18:44:23,114 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:44:23,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2018-12-01 18:44:23,120 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-01 18:44:23,120 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 18:44:23,120 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 18:44:23,136 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-01 18:44:23,149 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_534ff039-384e-44c0-8ba4-fc6f7bf2deeb/bin-2019/ukojak/witness.graphml [2018-12-01 18:44:23,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:44:23,149 INFO L168 Benchmark]: Toolchain (without parser) took 21020.28 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 335.0 MB). Free memory was 942.0 MB in the beginning and 1.3 GB in the end (delta: -329.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-12-01 18:44:23,150 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-01 18:44:23,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.29 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-01 18:44:23,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.65 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:44:23,150 INFO L168 Benchmark]: Boogie Preprocessor took 48.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-01 18:44:23,151 INFO L168 Benchmark]: RCFGBuilder took 355.48 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-12-01 18:44:23,151 INFO L168 Benchmark]: CodeCheck took 20401.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 203.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -188.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:44:23,151 INFO L168 Benchmark]: Witness Printer took 37.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:44:23,153 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. SAFE Result, 20.1s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 884 SDtfs, 40 SDslu, 32 SDs, 0 SdLazy, 804 SolverSat, 300 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 685 GetRequests, 639 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 11 QuantifiedInterpolants, 23374 SizeOfPredicates, 42 NumberOfNonLiveVariables, 341 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 10/10 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: 80]: 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: 45]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.29 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 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 23.65 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 355.48 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * CodeCheck took 20401.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 203.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -188.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Witness Printer took 37.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...