./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 ................................................................................................................................................................................................................................................................................................... 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_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:54:11,340 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:54:11,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:54:11,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:54:11,352 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:54:11,353 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:54:11,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:54:11,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:54:11,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:54:11,359 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:54:11,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:54:11,360 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:54:11,361 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:54:11,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:54:11,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:54:11,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:54:11,365 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:54:11,367 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:54:11,368 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:54:11,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:54:11,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:54:11,372 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:54:11,374 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:54:11,375 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:54:11,375 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:54:11,376 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:54:11,377 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:54:11,377 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:54:11,379 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:54:11,380 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:54:11,380 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:54:11,381 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:54:11,381 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:54:11,381 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:54:11,382 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:54:11,383 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:54:11,383 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:54:11,396 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:54:11,396 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:54:11,397 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:54:11,397 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:54:11,397 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:54:11,397 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:54:11,398 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:54:11,398 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:54:11,398 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:54:11,399 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:54:11,399 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:54:11,400 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:54:11,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:54:11,400 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:54:11,401 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:54:11,401 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:54:11,401 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:54:11,401 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:54:11,401 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:54:11,401 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:54:11,401 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:54:11,402 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:54:11,402 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:54:11,403 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:54:11,404 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:54:11,404 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:54:11,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:54:11,404 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:54:11,404 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:54:11,405 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:54:11,405 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:54:11,405 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:54:11,405 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:54:11,405 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:54:11,405 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan 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 -> Taipan 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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2018-10-26 22:54:11,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:54:11,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:54:11,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:54:11,464 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:54:11,464 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:54:11,465 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-10-26 22:54:11,525 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/data/d2b219e00/bdb6f7e8da3a455795bf22e4562d15e3/FLAG44e3b31dc [2018-10-26 22:54:11,939 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:54:11,940 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-10-26 22:54:11,947 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/data/d2b219e00/bdb6f7e8da3a455795bf22e4562d15e3/FLAG44e3b31dc [2018-10-26 22:54:11,961 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/data/d2b219e00/bdb6f7e8da3a455795bf22e4562d15e3 [2018-10-26 22:54:11,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:54:11,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:54:11,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:54:11,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:54:11,971 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:54:11,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:54:11" (1/1) ... [2018-10-26 22:54:11,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a5d6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:11, skipping insertion in model container [2018-10-26 22:54:11,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:54:11" (1/1) ... [2018-10-26 22:54:11,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:54:12,005 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:54:12,162 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:54:12,165 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:54:12,186 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:54:12,207 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:54:12,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12 WrapperNode [2018-10-26 22:54:12,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:54:12,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:54:12,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:54:12,209 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:54:12,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12" (1/1) ... [2018-10-26 22:54:12,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12" (1/1) ... [2018-10-26 22:54:12,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:54:12,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:54:12,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:54:12,253 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:54:12,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12" (1/1) ... [2018-10-26 22:54:12,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12" (1/1) ... [2018-10-26 22:54:12,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12" (1/1) ... [2018-10-26 22:54:12,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12" (1/1) ... [2018-10-26 22:54:12,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12" (1/1) ... [2018-10-26 22:54:12,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12" (1/1) ... [2018-10-26 22:54:12,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12" (1/1) ... [2018-10-26 22:54:12,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:54:12,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:54:12,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:54:12,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:54:12,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-10-26 22:54:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:54:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:54:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-10-26 22:54:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-10-26 22:54:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:54:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:54:12,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:54:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:54:12,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 22:54:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 22:54:12,908 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:54:12,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:12 BoogieIcfgContainer [2018-10-26 22:54:12,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:54:12,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:54:12,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:54:12,912 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:54:12,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:54:11" (1/3) ... [2018-10-26 22:54:12,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ef388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:54:12, skipping insertion in model container [2018-10-26 22:54:12,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:12" (2/3) ... [2018-10-26 22:54:12,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ef388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:54:12, skipping insertion in model container [2018-10-26 22:54:12,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:12" (3/3) ... [2018-10-26 22:54:12,916 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_loose_false-unreach-call_true-termination.c [2018-10-26 22:54:12,927 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:54:12,936 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:54:12,953 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:54:12,988 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:54:12,988 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:54:12,989 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:54:12,989 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:54:12,989 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:54:12,990 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:54:12,991 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:54:12,991 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:54:13,014 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-26 22:54:13,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 22:54:13,030 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:54:13,031 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:54:13,034 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:54:13,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:13,058 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-10-26 22:54:13,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:54:13,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:13,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:54:13,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:13,112 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:54:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:13,240 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:54:13,255 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:13,256 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:13,258 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:13,259 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:13,259 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:13,259 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:13,260 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:13,260 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:13,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:54:13 BoogieIcfgContainer [2018-10-26 22:54:13,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:54:13,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:54:13,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:54:13,279 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:54:13,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:12" (3/4) ... [2018-10-26 22:54:13,285 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:54:13,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:54:13,287 INFO L168 Benchmark]: Toolchain (without parser) took 1322.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.9 MB). Free memory was 953.1 MB in the beginning and 1.2 GB in the end (delta: -229.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:13,288 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:13,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.59 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:13,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.83 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:13,291 INFO L168 Benchmark]: Boogie Preprocessor took 26.72 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:13,292 INFO L168 Benchmark]: RCFGBuilder took 628.60 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.9 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -260.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:13,293 INFO L168 Benchmark]: TraceAbstraction took 369.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:13,295 INFO L168 Benchmark]: Witness Printer took 6.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:13,299 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 241.59 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.4 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 43.83 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.72 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 628.60 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.9 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -260.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 369.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Witness Printer took 6.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 22, overapproximation of bitwiseXor at line 21. Possible FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) [L17] CALL union u x, y; [L17] RET union u x, y; [L17] RET union u x, y; [L18] CALL x.i[0] = 0x43300000 [L18] RET x.i[0] = 0x43300000 [L19] CALL, EXPR x.i[0] [L19] RET, EXPR x.i[0] [L19] CALL y.i[0] = x.i[0] [L19] RET y.i[0] = x.i[0] [L20] CALL x.i[1] = 0x80000000 [L20] RET x.i[1] = 0x80000000 [L21] CALL, EXPR x.i[1] [L21] RET, EXPR x.i[1] [L21] CALL y.i[1] = i ^ x.i[1] [L21] RET y.i[1] = i ^ x.i[1] [L22] CALL, EXPR y.d [L22] RET, EXPR y.d [L22] CALL, EXPR x.d [L22] RET, EXPR x.d [L22] return y.d - x.d; [L22] return y.d - x.d; [L22] RET return y.d - x.d; [L33] EXPR cast(a) VAL [a=0, cast(a)=1127219207] [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) VAL [\old(cond)=0] [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:54:15,541 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:54:15,543 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:54:15,555 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:54:15,555 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:54:15,556 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:54:15,559 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:54:15,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:54:15,562 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:54:15,563 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:54:15,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:54:15,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:54:15,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:54:15,566 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:54:15,568 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:54:15,568 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:54:15,569 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:54:15,571 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:54:15,573 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:54:15,575 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:54:15,576 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:54:15,577 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:54:15,580 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:54:15,580 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:54:15,580 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:54:15,581 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:54:15,583 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:54:15,584 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:54:15,584 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:54:15,586 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:54:15,586 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:54:15,587 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:54:15,587 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:54:15,588 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:54:15,589 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:54:15,589 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:54:15,590 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 22:54:15,605 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:54:15,605 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:54:15,606 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:54:15,606 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:54:15,607 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:54:15,607 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:54:15,607 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:54:15,607 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:54:15,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:54:15,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:54:15,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:54:15,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:54:15,609 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:54:15,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:54:15,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:54:15,609 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:54:15,609 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:54:15,610 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:54:15,610 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:54:15,612 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:54:15,612 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:54:15,612 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:54:15,612 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:54:15,613 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:54:15,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:54:15,613 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:54:15,613 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:54:15,613 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:54:15,614 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:54:15,614 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:54:15,614 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:54:15,614 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:54:15,614 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_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan 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 -> Taipan 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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2018-10-26 22:54:15,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:54:15,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:54:15,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:54:15,701 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:54:15,701 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:54:15,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-10-26 22:54:15,764 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/data/cc12c4f4b/5eb86790622f4246bf131528b1ef7c9f/FLAGf6a6d66f2 [2018-10-26 22:54:16,176 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:54:16,177 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-10-26 22:54:16,186 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/data/cc12c4f4b/5eb86790622f4246bf131528b1ef7c9f/FLAGf6a6d66f2 [2018-10-26 22:54:16,209 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/data/cc12c4f4b/5eb86790622f4246bf131528b1ef7c9f [2018-10-26 22:54:16,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:54:16,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:54:16,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:54:16,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:54:16,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:54:16,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:54:16" (1/1) ... [2018-10-26 22:54:16,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34010170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16, skipping insertion in model container [2018-10-26 22:54:16,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:54:16" (1/1) ... [2018-10-26 22:54:16,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:54:16,266 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:54:16,449 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:54:16,454 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:54:16,481 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:54:16,511 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:54:16,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16 WrapperNode [2018-10-26 22:54:16,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:54:16,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:54:16,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:54:16,513 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:54:16,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16" (1/1) ... [2018-10-26 22:54:16,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16" (1/1) ... [2018-10-26 22:54:16,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:54:16,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:54:16,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:54:16,549 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:54:16,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16" (1/1) ... [2018-10-26 22:54:16,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16" (1/1) ... [2018-10-26 22:54:16,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16" (1/1) ... [2018-10-26 22:54:16,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16" (1/1) ... [2018-10-26 22:54:16,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16" (1/1) ... [2018-10-26 22:54:16,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16" (1/1) ... [2018-10-26 22:54:16,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16" (1/1) ... [2018-10-26 22:54:16,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:54:16,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:54:16,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:54:16,581 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:54:16,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-10-26 22:54:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:54:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:54:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-10-26 22:54:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-10-26 22:54:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:54:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:54:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:54:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:54:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 22:54:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 22:54:17,213 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:54:17,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:17 BoogieIcfgContainer [2018-10-26 22:54:17,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:54:17,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:54:17,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:54:17,219 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:54:17,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:54:16" (1/3) ... [2018-10-26 22:54:17,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d278d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:54:17, skipping insertion in model container [2018-10-26 22:54:17,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:16" (2/3) ... [2018-10-26 22:54:17,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d278d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:54:17, skipping insertion in model container [2018-10-26 22:54:17,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:17" (3/3) ... [2018-10-26 22:54:17,224 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_loose_false-unreach-call_true-termination.c [2018-10-26 22:54:17,235 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:54:17,243 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:54:17,259 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:54:17,288 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:54:17,289 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:54:17,289 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:54:17,290 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:54:17,290 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:54:17,290 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:54:17,291 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:54:17,291 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:54:17,291 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:54:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-26 22:54:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 22:54:17,316 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:54:17,317 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:54:17,320 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:54:17,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:17,327 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-10-26 22:54:17,332 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:54:17,333 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 22:54:17,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:54:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:17,819 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:54:17,834 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:17,835 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:17,835 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:17,835 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:17,836 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:17,836 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:17,837 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:17,837 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:17,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:54:17 BoogieIcfgContainer [2018-10-26 22:54:17,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:54:17,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:54:17,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:54:17,857 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:54:17,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:17" (3/4) ... [2018-10-26 22:54:17,861 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 22:54:17,863 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:17,863 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:17,864 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:17,866 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:17,866 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:17,867 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:17,867 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:54:17,867 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:54:17,922 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6039886e-0bf9-4d14-828b-8e1159759c7a/bin-2019/utaipan/witness.graphml [2018-10-26 22:54:17,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:54:17,923 INFO L168 Benchmark]: Toolchain (without parser) took 1707.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -116.9 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:17,925 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:17,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.94 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:17,927 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.66 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:17,928 INFO L168 Benchmark]: Boogie Preprocessor took 32.18 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:17,928 INFO L168 Benchmark]: RCFGBuilder took 632.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:17,931 INFO L168 Benchmark]: TraceAbstraction took 641.37 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:17,932 INFO L168 Benchmark]: Witness Printer took 65.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:17,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.94 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 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 35.66 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.18 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 632.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 641.37 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Witness Printer took 65.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) [L17] CALL union u x, y; [L17] RET union u x, y; [L17] RET union u x, y; [L18] CALL x.i[0] = 0x43300000 [L18] RET x.i[0] = 0x43300000 [L19] CALL, EXPR x.i[0] [L19] RET, EXPR x.i[0] [L19] CALL y.i[0] = x.i[0] [L19] RET y.i[0] = x.i[0] [L20] CALL x.i[1] = 0x80000000 [L20] RET x.i[1] = 0x80000000 [L21] CALL, EXPR x.i[1] [L21] RET, EXPR x.i[1] [L21] CALL y.i[1] = i ^ x.i[1] [L21] RET y.i[1] = i ^ x.i[1] [L22] CALL, EXPR y.d [L22] RET, EXPR y.d [L22] CALL, EXPR x.d [L22] RET, EXPR x.d [L22] return y.d - x.d; [L22] return y.d - x.d; [L22] RET return y.d - x.d; [L33] EXPR cast(a) VAL [a=4294959104, cast(a)=NaN] [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) VAL [\old(cond)=0] [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...