./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_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/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_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/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_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/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_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/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 [2018-12-09 04:14:35,204 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:14:35,205 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:14:35,211 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:14:35,211 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:14:35,212 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:14:35,212 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:14:35,213 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:14:35,214 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:14:35,214 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:14:35,215 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:14:35,215 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:14:35,216 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:14:35,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:14:35,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:14:35,217 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:14:35,217 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:14:35,218 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:14:35,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:14:35,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:14:35,221 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:14:35,221 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:14:35,222 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:14:35,222 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:14:35,223 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:14:35,223 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:14:35,223 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:14:35,224 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:14:35,224 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:14:35,225 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:14:35,225 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:14:35,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:14:35,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:14:35,226 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:14:35,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:14:35,226 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:14:35,227 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 04:14:35,234 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:14:35,234 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:14:35,234 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:14:35,235 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 04:14:35,235 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:14:35,235 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:14:35,235 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:14:35,235 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:14:35,235 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:14:35,235 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:14:35,235 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:14:35,236 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:14:35,236 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:14:35,236 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:14:35,236 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:14:35,236 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:14:35,236 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:14:35,236 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:14:35,236 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 04:14:35,236 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 04:14:35,236 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:14:35,236 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:14:35,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:14:35,237 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:14:35,237 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:14:35,237 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:14:35,237 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 04:14:35,237 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:14:35,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:14:35,237 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_57c7c80c-54c5-48f3-b041-db441c539573/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 [2018-12-09 04:14:35,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:14:35,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:14:35,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:14:35,264 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:14:35,264 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:14:35,264 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1232a_true-unreach-call.c [2018-12-09 04:14:35,297 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/data/aae830c41/777f5a5702274fd2a8e516d903ccc47d/FLAG98b0d2a29 [2018-12-09 04:14:35,647 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:14:35,648 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/sv-benchmarks/c/float-newlib/double_req_bl_1232a_true-unreach-call.c [2018-12-09 04:14:35,653 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/data/aae830c41/777f5a5702274fd2a8e516d903ccc47d/FLAG98b0d2a29 [2018-12-09 04:14:36,033 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/data/aae830c41/777f5a5702274fd2a8e516d903ccc47d [2018-12-09 04:14:36,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:14:36,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:14:36,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:14:36,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:14:36,039 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:14:36,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,042 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 09.12 04:14:36, skipping insertion in model container [2018-12-09 04:14:36,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:14:36,059 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:14:36,151 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:14:36,153 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:14:36,169 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:14:36,181 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:14:36,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:36 WrapperNode [2018-12-09 04:14:36,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:14:36,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:14:36,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:14:36,181 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:14:36,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:14:36,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:14:36,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:14:36,232 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:14:36,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:14:36,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:14:36,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:14:36,255 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:14:36,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:14:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-09 04:14:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-09 04:14:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 04:14:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 04:14:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:14:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:14:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 04:14:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 04:14:36,490 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:14:36,490 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 04:14:36,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:14:36 BoogieIcfgContainer [2018-12-09 04:14:36,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:14:36,491 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 04:14:36,491 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 04:14:36,498 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 04:14:36,498 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:14:36" (1/1) ... [2018-12-09 04:14:36,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:14:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:36,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-09 04:14:36,528 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-09 04:14:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 04:14:36,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:14:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-09 04:14:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-09 04:14:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 04:14:36,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:14:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:14:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:14:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:14:36,680 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-09 04:14:36,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:14:36 ImpRootNode [2018-12-09 04:14:36,698 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 04:14:36,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:14:36,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:14:36,698 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:14:36,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:14:36" (3/4) ... [2018-12-09 04:14:36,701 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 04:14:36,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:14:36,702 INFO L168 Benchmark]: Toolchain (without parser) took 666.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 961.4 MB in the beginning and 1.0 GB in the end (delta: -79.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:36,703 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. [2018-12-09 04:14:36,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.58 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:36,704 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:36,704 INFO L168 Benchmark]: Boogie Preprocessor took 22.54 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:36,704 INFO L168 Benchmark]: RCFGBuilder took 236.19 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:36,705 INFO L168 Benchmark]: CodeCheck took 206.98 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:36,705 INFO L168 Benchmark]: Witness Printer took 3.33 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. [2018-12-09 04:14:36,707 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 0.10 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 144.58 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 50.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.54 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 236.19 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * CodeCheck took 206.98 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.33 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 [2018-12-09 04:14:37,936 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:14:37,937 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:14:37,943 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:14:37,943 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:14:37,944 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:14:37,944 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:14:37,945 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:14:37,946 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:14:37,947 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:14:37,947 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:14:37,947 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:14:37,948 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:14:37,948 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:14:37,949 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:14:37,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:14:37,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:14:37,950 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:14:37,951 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:14:37,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:14:37,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:14:37,953 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:14:37,954 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:14:37,955 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:14:37,955 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:14:37,955 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:14:37,956 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:14:37,956 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:14:37,957 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:14:37,957 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:14:37,957 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:14:37,958 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:14:37,958 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:14:37,958 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:14:37,959 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:14:37,959 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:14:37,959 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 04:14:37,966 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:14:37,967 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:14:37,967 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:14:37,967 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 04:14:37,968 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:14:37,968 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:14:37,968 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:14:37,968 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:14:37,968 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:14:37,968 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:14:37,968 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:14:37,968 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:14:37,969 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:14:37,969 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 04:14:37,969 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 04:14:37,969 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:14:37,969 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:14:37,969 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:14:37,969 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:14:37,969 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 04:14:37,969 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 04:14:37,970 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:14:37,970 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:14:37,970 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:14:37,970 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:14:37,970 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:14:37,970 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:14:37,970 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 04:14:37,970 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 04:14:37,971 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:14:37,971 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 04:14:37,971 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 04:14:37,971 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_57c7c80c-54c5-48f3-b041-db441c539573/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 [2018-12-09 04:14:37,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:14:37,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:14:37,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:14:37,999 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:14:37,999 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:14:37,999 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1232a_true-unreach-call.c [2018-12-09 04:14:38,035 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/data/efb02cc61/f146792629684d5f9da0773845ded8c2/FLAG0c2820d38 [2018-12-09 04:14:38,454 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:14:38,454 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/sv-benchmarks/c/float-newlib/double_req_bl_1232a_true-unreach-call.c [2018-12-09 04:14:38,458 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/data/efb02cc61/f146792629684d5f9da0773845ded8c2/FLAG0c2820d38 [2018-12-09 04:14:38,466 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/data/efb02cc61/f146792629684d5f9da0773845ded8c2 [2018-12-09 04:14:38,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:14:38,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:14:38,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:14:38,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:14:38,472 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:14:38,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:14:38" (1/1) ... [2018-12-09 04:14:38,474 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 09.12 04:14:38, skipping insertion in model container [2018-12-09 04:14:38,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:14:38" (1/1) ... [2018-12-09 04:14:38,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:14:38,488 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:14:38,583 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:14:38,586 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:14:38,603 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:14:38,620 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:14:38,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:38 WrapperNode [2018-12-09 04:14:38,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:14:38,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:14:38,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:14:38,621 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:14:38,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:38" (1/1) ... [2018-12-09 04:14:38,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:38" (1/1) ... [2018-12-09 04:14:38,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:14:38,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:14:38,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:14:38,645 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:14:38,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:38" (1/1) ... [2018-12-09 04:14:38,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:38" (1/1) ... [2018-12-09 04:14:38,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:38" (1/1) ... [2018-12-09 04:14:38,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:38" (1/1) ... [2018-12-09 04:14:38,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:38" (1/1) ... [2018-12-09 04:14:38,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:38" (1/1) ... [2018-12-09 04:14:38,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:38" (1/1) ... [2018-12-09 04:14:38,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:14:38,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:14:38,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:14:38,694 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:14:38,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:14:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 04:14:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-09 04:14:38,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-09 04:14:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 04:14:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 04:14:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:14:38,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:14:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 04:14:38,838 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 04:14:38,918 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 04:14:39,032 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:14:39,032 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 04:14:39,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:14:39 BoogieIcfgContainer [2018-12-09 04:14:39,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:14:39,033 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 04:14:39,033 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 04:14:39,039 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 04:14:39,039 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:14:39" (1/1) ... [2018-12-09 04:14:39,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:14:39,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:39,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-09 04:14:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-09 04:14:39,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 04:14:39,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:39,104 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 04:14:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:39,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:14:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:14:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:39,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-12-09 04:14:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-12-09 04:14:39,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 04:14:39,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:39,139 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 04:14:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:39,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:14:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:14:39,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:39,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-12-09 04:14:39,261 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-09 04:14:39,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 04:14:39,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:39,262 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 04:14:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:39,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:14:39,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:14:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-12-09 04:14:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-09 04:14:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 04:14:39,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:39,282 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 04:14:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:39,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:14:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:14:39,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:39,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 31 transitions. [2018-12-09 04:14:39,622 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-12-09 04:14:39,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 04:14:39,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:39,624 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 04:14:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:39,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:14:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 04:14:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:40,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 29 transitions. [2018-12-09 04:14:40,056 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2018-12-09 04:14:40,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 04:14:40,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:40,057 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 04:14:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:40,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:14:40,159 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 04:14:40,160 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 04:14:40,164 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 [2018-12-09 04:14:40,195 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 [2018-12-09 04:14:40,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 04:14:40,207 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-12-09 04:14:40,213 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-12-09 04:14:40,214 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 04:14:40,215 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 04:14:40,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 04:14:40,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 04:14:40,229 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-09 04:14:50,005 WARN L180 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 4205 DAG size of output: 221 [2018-12-09 04:14:50,469 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 04:14:50,469 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 04:14:50,470 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-12-09 04:14:50,521 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-12-09 04:14:50,521 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 04:14:50,539 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-12-09 04:14:50,552 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 9 [2018-12-09 04:14:50,552 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 04:14:50,558 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 04:14:50,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 04:14:50,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 04:14:50,570 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:18 [2018-12-09 04:14:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 04:14:58,420 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-12-09 04:14:59,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:59,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 18 states and 18 transitions. [2018-12-09 04:14:59,186 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-12-09 04:14:59,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 04:14:59,187 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-09 04:14:59,192 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 04:14:59,433 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-12-09 04:14:59,459 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:59,461 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 04:14:59,465 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:59,465 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:59,465 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:59,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:14:59 ImpRootNode [2018-12-09 04:14:59,466 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 04:14:59,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:14:59,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:14:59,466 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:14:59,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:14:39" (3/4) ... [2018-12-09 04:14:59,468 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 04:14:59,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2018-12-09 04:14:59,474 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-09 04:14:59,474 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 04:14:59,474 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 04:14:59,490 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 04:14:59,503 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_57c7c80c-54c5-48f3-b041-db441c539573/bin-2019/ukojak/witness.graphml [2018-12-09 04:14:59,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:14:59,503 INFO L168 Benchmark]: Toolchain (without parser) took 21034.85 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 334.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -246.3 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:59,504 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:14:59,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.75 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:59,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.10 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:14:59,504 INFO L168 Benchmark]: Boogie Preprocessor took 48.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:59,505 INFO L168 Benchmark]: RCFGBuilder took 339.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:59,505 INFO L168 Benchmark]: CodeCheck took 20432.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.5 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:59,505 INFO L168 Benchmark]: Witness Printer took 37.10 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:14:59,506 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, 18.7s 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 0.12 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 150.75 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.10 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 339.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * CodeCheck took 20432.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.5 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. * Witness Printer took 37.10 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...