./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_tight_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_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/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 6c0005e6146056cc1de3f3f086fde77a54c02f63 .......................................................................................................................................................................................................................................................................................................... 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_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/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 6c0005e6146056cc1de3f3f086fde77a54c02f63 ........................................................................................................................................................................................................................................................................................................................... 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 [2018-11-10 13:30:13,251 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:30:13,252 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:30:13,258 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:30:13,258 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:30:13,258 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:30:13,259 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:30:13,260 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:30:13,261 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:30:13,262 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:30:13,262 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:30:13,263 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:30:13,263 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:30:13,264 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:30:13,265 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:30:13,265 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:30:13,266 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:30:13,267 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:30:13,268 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:30:13,269 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:30:13,269 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:30:13,270 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:30:13,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:30:13,271 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:30:13,271 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:30:13,272 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:30:13,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:30:13,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:30:13,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:30:13,274 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:30:13,274 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:30:13,274 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:30:13,274 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:30:13,275 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:30:13,275 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:30:13,275 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:30:13,276 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 13:30:13,285 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:30:13,286 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:30:13,286 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:30:13,286 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:30:13,287 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:30:13,287 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:30:13,287 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 13:30:13,287 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:30:13,287 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 13:30:13,287 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 13:30:13,287 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:30:13,288 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:30:13,288 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:30:13,288 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:30:13,288 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:30:13,288 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:30:13,289 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:30:13,289 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:30:13,289 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:30:13,289 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:30:13,289 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:30:13,289 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:30:13,289 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:30:13,289 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:30:13,290 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:30:13,290 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:30:13,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:30:13,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:30:13,290 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:30:13,290 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:30:13,290 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 13:30:13,290 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:30:13,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:30:13,291 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 13:30:13,291 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_123ba72f-afb2-4eb1-859d-c86fd9453c08/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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2018-11-10 13:30:13,315 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:30:13,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:30:13,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:30:13,327 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:30:13,327 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:30:13,328 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 13:30:13,370 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/data/3a1a7e358/4147c2c806e142b8a3d69bfc8e18a42c/FLAG9d043e85c [2018-11-10 13:30:13,671 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:30:13,672 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 13:30:13,677 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/data/3a1a7e358/4147c2c806e142b8a3d69bfc8e18a42c/FLAG9d043e85c [2018-11-10 13:30:13,686 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/data/3a1a7e358/4147c2c806e142b8a3d69bfc8e18a42c [2018-11-10 13:30:13,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:30:13,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:30:13,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:30:13,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:30:13,692 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:30:13,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:30:13" (1/1) ... [2018-11-10 13:30:13,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1788b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13, skipping insertion in model container [2018-11-10 13:30:13,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:30:13" (1/1) ... [2018-11-10 13:30:13,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:30:13,713 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:30:13,816 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:30:13,818 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:30:13,831 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:30:13,843 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:30:13,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13 WrapperNode [2018-11-10 13:30:13,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:30:13,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:30:13,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:30:13,844 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:30:13,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13" (1/1) ... [2018-11-10 13:30:13,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13" (1/1) ... [2018-11-10 13:30:13,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:30:13,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:30:13,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:30:13,869 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:30:13,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13" (1/1) ... [2018-11-10 13:30:13,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13" (1/1) ... [2018-11-10 13:30:13,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13" (1/1) ... [2018-11-10 13:30:13,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13" (1/1) ... [2018-11-10 13:30:13,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13" (1/1) ... [2018-11-10 13:30:13,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13" (1/1) ... [2018-11-10 13:30:13,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13" (1/1) ... [2018-11-10 13:30:13,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:30:13,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:30:13,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:30:13,882 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:30:13,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/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 [2018-11-10 13:30:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:30:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:30:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-11-10 13:30:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-11-10 13:30:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:30:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:30:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:30:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:30:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 13:30:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 13:30:14,092 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:30:14,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:14 BoogieIcfgContainer [2018-11-10 13:30:14,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:30:14,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:30:14,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:30:14,095 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:30:14,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:30:13" (1/3) ... [2018-11-10 13:30:14,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c6575b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:30:14, skipping insertion in model container [2018-11-10 13:30:14,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:13" (2/3) ... [2018-11-10 13:30:14,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c6575b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:30:14, skipping insertion in model container [2018-11-10 13:30:14,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:14" (3/3) ... [2018-11-10 13:30:14,098 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 13:30:14,106 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:30:14,114 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:30:14,127 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:30:14,149 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:30:14,149 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:30:14,149 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:30:14,150 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:30:14,150 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:30:14,150 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:30:14,150 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:30:14,150 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:30:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-10 13:30:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 13:30:14,168 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:30:14,169 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:30:14,170 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:30:14,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:30:14,173 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-11-10 13:30:14,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:30:14,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:14,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:30:14,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:14,212 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:30:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:14,286 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 13:30:14,296 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:14,296 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:14,296 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:14,296 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:14,297 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:14,297 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:14,297 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:14,297 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:14,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:30:14 BoogieIcfgContainer [2018-11-10 13:30:14,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:30:14,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:30:14,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:30:14,309 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:30:14,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:14" (3/4) ... [2018-11-10 13:30:14,312 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 13:30:14,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:30:14,313 INFO L168 Benchmark]: Toolchain (without parser) took 624.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:14,314 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:30:14,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.30 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:14,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.57 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:14,316 INFO L168 Benchmark]: Boogie Preprocessor took 13.58 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:30:14,316 INFO L168 Benchmark]: RCFGBuilder took 210.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:14,317 INFO L168 Benchmark]: TraceAbstraction took 215.04 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:14,317 INFO L168 Benchmark]: Witness Printer took 3.56 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. [2018-11-10 13:30:14,320 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.30 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 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 24.57 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.58 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 210.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 215.04 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.56 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 21, overapproximation of bitwiseXor at line 20. Possible FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L31] CALL, EXPR cast(a) [L16] CALL union u x, y; [L16] RET union u x, y; [L16] RET union u x, y; [L17] CALL x.i[0] = 0x43300000 [L17] RET x.i[0] = 0x43300000 [L18] CALL, EXPR x.i[0] [L18] RET, EXPR x.i[0] [L18] CALL y.i[0] = x.i[0] [L18] RET y.i[0] = x.i[0] [L19] CALL x.i[1] = 0x80000000 [L19] RET x.i[1] = 0x80000000 [L20] CALL, EXPR x.i[1] [L20] RET, EXPR x.i[1] [L20] CALL y.i[1] = i ^ x.i[1] [L20] RET y.i[1] = i ^ x.i[1] [L21] CALL, EXPR y.d [L21] RET, EXPR y.d [L21] CALL, EXPR x.d [L21] RET, EXPR x.d [L21] return y.d - x.d; [L21] return y.d - x.d; [L21] RET return y.d - x.d; [L31] EXPR cast(a) VAL [a=0, cast(a)=1127219207] [L31] r = cast(a) [L32] CALL __VERIFIER_assert(r == a) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.1s 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 [2018-11-10 13:30:15,725 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:30:15,726 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:30:15,734 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:30:15,734 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:30:15,735 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:30:15,736 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:30:15,737 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:30:15,738 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:30:15,738 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:30:15,739 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:30:15,739 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:30:15,740 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:30:15,740 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:30:15,741 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:30:15,742 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:30:15,742 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:30:15,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:30:15,745 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:30:15,746 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:30:15,747 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:30:15,748 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:30:15,749 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:30:15,749 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:30:15,749 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:30:15,750 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:30:15,751 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:30:15,751 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:30:15,752 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:30:15,753 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:30:15,753 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:30:15,754 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:30:15,754 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:30:15,754 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:30:15,755 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:30:15,755 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:30:15,755 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 13:30:15,766 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:30:15,766 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:30:15,767 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:30:15,767 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:30:15,767 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:30:15,767 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:30:15,767 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:30:15,767 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:30:15,768 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:30:15,768 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:30:15,768 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:30:15,768 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:30:15,770 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:30:15,770 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:30:15,770 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:30:15,770 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 13:30:15,770 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 13:30:15,770 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:30:15,770 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:30:15,770 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:30:15,771 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:30:15,771 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:30:15,771 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:30:15,771 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:30:15,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:30:15,771 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:30:15,771 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:30:15,772 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:30:15,772 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 13:30:15,772 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:30:15,772 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 13:30:15,772 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 13:30:15,772 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_123ba72f-afb2-4eb1-859d-c86fd9453c08/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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2018-11-10 13:30:15,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:30:15,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:30:15,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:30:15,818 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:30:15,819 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:30:15,819 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 13:30:15,864 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/data/7f6ca9b52/7ff9e997820e45fd89028d7be3cf158c/FLAGe67cc4faa [2018-11-10 13:30:16,188 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:30:16,188 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 13:30:16,192 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/data/7f6ca9b52/7ff9e997820e45fd89028d7be3cf158c/FLAGe67cc4faa [2018-11-10 13:30:16,200 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/data/7f6ca9b52/7ff9e997820e45fd89028d7be3cf158c [2018-11-10 13:30:16,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:30:16,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:30:16,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:30:16,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:30:16,206 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:30:16,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:30:16" (1/1) ... [2018-11-10 13:30:16,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d68c770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16, skipping insertion in model container [2018-11-10 13:30:16,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:30:16" (1/1) ... [2018-11-10 13:30:16,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:30:16,228 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:30:16,338 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:30:16,341 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:30:16,360 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:30:16,378 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:30:16,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16 WrapperNode [2018-11-10 13:30:16,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:30:16,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:30:16,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:30:16,379 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:30:16,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16" (1/1) ... [2018-11-10 13:30:16,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16" (1/1) ... [2018-11-10 13:30:16,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:30:16,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:30:16,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:30:16,407 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:30:16,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16" (1/1) ... [2018-11-10 13:30:16,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16" (1/1) ... [2018-11-10 13:30:16,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16" (1/1) ... [2018-11-10 13:30:16,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16" (1/1) ... [2018-11-10 13:30:16,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16" (1/1) ... [2018-11-10 13:30:16,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16" (1/1) ... [2018-11-10 13:30:16,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16" (1/1) ... [2018-11-10 13:30:16,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:30:16,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:30:16,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:30:16,428 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:30:16,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/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 [2018-11-10 13:30:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:30:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:30:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-11-10 13:30:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-11-10 13:30:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:30:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:30:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:30:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:30:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 13:30:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 13:30:16,734 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:30:16,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:16 BoogieIcfgContainer [2018-11-10 13:30:16,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:30:16,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:30:16,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:30:16,738 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:30:16,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:30:16" (1/3) ... [2018-11-10 13:30:16,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51da0be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:30:16, skipping insertion in model container [2018-11-10 13:30:16,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:16" (2/3) ... [2018-11-10 13:30:16,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51da0be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:30:16, skipping insertion in model container [2018-11-10 13:30:16,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:16" (3/3) ... [2018-11-10 13:30:16,742 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 13:30:16,748 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:30:16,752 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:30:16,761 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:30:16,778 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:30:16,779 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:30:16,779 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:30:16,779 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:30:16,779 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:30:16,779 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:30:16,779 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:30:16,779 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:30:16,779 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:30:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-10 13:30:16,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 13:30:16,797 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:30:16,798 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:30:16,800 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:30:16,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:30:16,803 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-11-10 13:30:16,806 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:30:16,807 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/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 [2018-11-10 13:30:16,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:30:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:17,107 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 13:30:17,120 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:17,120 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:17,121 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:17,121 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:17,121 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:17,122 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:17,122 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:17,122 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:17,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:30:17 BoogieIcfgContainer [2018-11-10 13:30:17,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:30:17,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:30:17,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:30:17,135 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:30:17,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:16" (3/4) ... [2018-11-10 13:30:17,137 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 13:30:17,137 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:17,138 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:17,138 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:17,138 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:17,138 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:17,139 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:17,139 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:17,139 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:30:17,169 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_123ba72f-afb2-4eb1-859d-c86fd9453c08/bin-2019/utaipan/witness.graphml [2018-11-10 13:30:17,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:30:17,170 INFO L168 Benchmark]: Toolchain (without parser) took 967.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -115.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:17,171 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-10 13:30:17,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.09 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 937.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:17,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.99 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:17,172 INFO L168 Benchmark]: Boogie Preprocessor took 20.64 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:30:17,173 INFO L168 Benchmark]: RCFGBuilder took 307.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:17,173 INFO L168 Benchmark]: TraceAbstraction took 399.08 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: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:17,174 INFO L168 Benchmark]: Witness Printer took 34.38 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. [2018-11-10 13:30:17,176 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 175.09 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 937.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.99 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.64 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 307.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 399.08 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: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. * Witness Printer took 34.38 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.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.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.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.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.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.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.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.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: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L31] CALL, EXPR cast(a) [L16] CALL union u x, y; [L16] RET union u x, y; [L16] RET union u x, y; [L17] CALL x.i[0] = 0x43300000 [L17] RET x.i[0] = 0x43300000 [L18] CALL, EXPR x.i[0] [L18] RET, EXPR x.i[0] [L18] CALL y.i[0] = x.i[0] [L18] RET y.i[0] = x.i[0] [L19] CALL x.i[1] = 0x80000000 [L19] RET x.i[1] = 0x80000000 [L20] CALL, EXPR x.i[1] [L20] RET, EXPR x.i[1] [L20] CALL y.i[1] = i ^ x.i[1] [L20] RET y.i[1] = i ^ x.i[1] [L21] CALL, EXPR y.d [L21] RET, EXPR y.d [L21] CALL, EXPR x.d [L21] RET, EXPR x.d [L21] return y.d - x.d; [L21] return y.d - x.d; [L21] RET return y.d - x.d; [L31] EXPR cast(a) VAL [a=4194304, cast(a)=-0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000017800594766499585] [L31] r = cast(a) [L32] CALL __VERIFIER_assert(r == a) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.3s 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...