./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_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/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_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/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_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/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_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/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 [2018-10-26 22:20:39,956 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:20:39,957 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:20:39,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:20:39,968 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:20:39,969 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:20:39,972 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:20:39,974 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:20:39,975 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:20:39,976 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:20:39,977 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:20:39,977 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:20:39,977 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:20:39,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:20:39,979 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:20:39,979 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:20:39,982 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:20:39,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:20:39,994 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:20:39,995 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:20:39,996 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:20:39,997 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:20:39,998 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:20:39,998 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:20:39,998 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:20:39,999 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:20:40,002 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:20:40,004 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:20:40,005 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:20:40,006 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:20:40,007 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:20:40,007 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:20:40,008 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:20:40,008 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:20:40,008 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:20:40,009 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:20:40,009 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:20:40,023 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:20:40,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:20:40,026 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:20:40,027 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:20:40,027 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:20:40,027 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:20:40,027 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:20:40,027 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:20:40,028 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:20:40,028 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:20:40,028 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:20:40,028 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:20:40,029 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:20:40,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:20:40,029 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:20:40,029 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:20:40,029 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:20:40,029 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:20:40,029 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:20:40,030 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:20:40,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:20:40,030 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:20:40,030 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:20:40,030 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:20:40,030 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:20:40,030 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:20:40,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:20:40,031 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:20:40,031 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:20:40,031 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:20:40,031 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:20:40,031 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:20:40,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:20:40,035 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:20:40,036 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_2a279ad5-a6f3-4062-9e18-48b6000ae07f/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 [2018-10-26 22:20:40,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:20:40,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:20:40,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:20:40,098 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:20:40,098 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:20:40,099 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-10-26 22:20:40,145 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/data/dab185d63/f5b9506a59f3489eb6de3bdb815b6305/FLAG631efc2c7 [2018-10-26 22:20:40,494 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:20:40,494 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-10-26 22:20:40,499 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/data/dab185d63/f5b9506a59f3489eb6de3bdb815b6305/FLAG631efc2c7 [2018-10-26 22:20:40,509 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/data/dab185d63/f5b9506a59f3489eb6de3bdb815b6305 [2018-10-26 22:20:40,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:20:40,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:20:40,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:20:40,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:20:40,517 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:20:40,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:20:40" (1/1) ... [2018-10-26 22:20:40,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29248f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40, skipping insertion in model container [2018-10-26 22:20:40,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:20:40" (1/1) ... [2018-10-26 22:20:40,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:20:40,540 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:20:40,663 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:20:40,666 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:20:40,680 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:20:40,693 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:20:40,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40 WrapperNode [2018-10-26 22:20:40,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:20:40,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:20:40,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:20:40,695 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:20:40,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40" (1/1) ... [2018-10-26 22:20:40,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40" (1/1) ... [2018-10-26 22:20:40,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:20:40,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:20:40,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:20:40,728 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:20:40,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40" (1/1) ... [2018-10-26 22:20:40,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40" (1/1) ... [2018-10-26 22:20:40,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40" (1/1) ... [2018-10-26 22:20:40,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40" (1/1) ... [2018-10-26 22:20:40,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40" (1/1) ... [2018-10-26 22:20:40,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40" (1/1) ... [2018-10-26 22:20:40,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40" (1/1) ... [2018-10-26 22:20:40,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:20:40,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:20:40,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:20:40,749 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:20:40,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/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 22:20:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:20:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:20:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-10-26 22:20:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-10-26 22:20:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:20:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:20:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:20:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:20:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 22:20:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 22:20:41,208 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:20:41,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:41 BoogieIcfgContainer [2018-10-26 22:20:41,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:20:41,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:20:41,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:20:41,228 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:20:41,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:20:40" (1/3) ... [2018-10-26 22:20:41,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717e93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:20:41, skipping insertion in model container [2018-10-26 22:20:41,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:40" (2/3) ... [2018-10-26 22:20:41,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717e93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:20:41, skipping insertion in model container [2018-10-26 22:20:41,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:41" (3/3) ... [2018-10-26 22:20:41,230 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_tight_false-unreach-call_true-termination.c [2018-10-26 22:20:41,239 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:20:41,245 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:20:41,260 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:20:41,287 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:20:41,287 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:20:41,288 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:20:41,288 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:20:41,288 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:20:41,288 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:20:41,288 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:20:41,288 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:20:41,304 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-26 22:20:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 22:20:41,312 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:20:41,312 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:20:41,314 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:20:41,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:20:41,321 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-10-26 22:20:41,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:20:41,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:41,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:20:41,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:20:41,365 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:20:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:20:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:20:41,498 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:20:41,511 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:41,512 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:41,512 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:41,512 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:41,513 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:41,513 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:41,513 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:41,513 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:41,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:20:41 BoogieIcfgContainer [2018-10-26 22:20:41,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:20:41,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:20:41,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:20:41,528 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:20:41,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:41" (3/4) ... [2018-10-26 22:20:41,532 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:20:41,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:20:41,532 INFO L168 Benchmark]: Toolchain (without parser) took 1020.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:41,534 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:41,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.57 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:41,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.39 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:41,536 INFO L168 Benchmark]: Boogie Preprocessor took 20.44 ms. Allocated memory is still 1.0 GB. Free memory is still 939.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:41,536 INFO L168 Benchmark]: RCFGBuilder took 459.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:41,537 INFO L168 Benchmark]: TraceAbstraction took 317.79 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:41,537 INFO L168 Benchmark]: Witness Printer took 4.41 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 22:20:41,540 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 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.57 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 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 33.39 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.44 ms. Allocated memory is still 1.0 GB. Free memory is still 939.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 459.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 317.79 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.41 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.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 * 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, 0.2s 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 22:20:43,286 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:20:43,287 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:20:43,295 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:20:43,295 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:20:43,295 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:20:43,297 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:20:43,298 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:20:43,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:20:43,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:20:43,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:20:43,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:20:43,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:20:43,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:20:43,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:20:43,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:20:43,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:20:43,306 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:20:43,308 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:20:43,309 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:20:43,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:20:43,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:20:43,313 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:20:43,313 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:20:43,313 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:20:43,314 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:20:43,315 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:20:43,315 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:20:43,316 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:20:43,317 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:20:43,317 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:20:43,318 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:20:43,318 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:20:43,318 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:20:43,319 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:20:43,319 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:20:43,320 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 22:20:43,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:20:43,332 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:20:43,332 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:20:43,332 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:20:43,333 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:20:43,333 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:20:43,333 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:20:43,333 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:20:43,333 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:20:43,334 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:20:43,335 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:20:43,335 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:20:43,335 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:20:43,335 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:20:43,335 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:20:43,335 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:20:43,335 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:20:43,336 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:20:43,336 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:20:43,336 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:20:43,336 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:20:43,336 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:20:43,336 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:20:43,336 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:20:43,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:20:43,337 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:20:43,337 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:20:43,337 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:20:43,337 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:20:43,337 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:20:43,337 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:20:43,338 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:20:43,338 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_2a279ad5-a6f3-4062-9e18-48b6000ae07f/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 [2018-10-26 22:20:43,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:20:43,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:20:43,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:20:43,388 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:20:43,388 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:20:43,389 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-10-26 22:20:43,431 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/data/331ef7c29/2a998172ecb146d9beca8569d0d7e86e/FLAGfbe64ddf1 [2018-10-26 22:20:43,822 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:20:43,823 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-10-26 22:20:43,829 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/data/331ef7c29/2a998172ecb146d9beca8569d0d7e86e/FLAGfbe64ddf1 [2018-10-26 22:20:43,841 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/data/331ef7c29/2a998172ecb146d9beca8569d0d7e86e [2018-10-26 22:20:43,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:20:43,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:20:43,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:20:43,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:20:43,850 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:20:43,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:20:43" (1/1) ... [2018-10-26 22:20:43,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559bb6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:43, skipping insertion in model container [2018-10-26 22:20:43,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:20:43" (1/1) ... [2018-10-26 22:20:43,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:20:43,882 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:20:44,021 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:20:44,025 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:20:44,047 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:20:44,069 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:20:44,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44 WrapperNode [2018-10-26 22:20:44,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:20:44,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:20:44,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:20:44,070 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:20:44,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44" (1/1) ... [2018-10-26 22:20:44,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44" (1/1) ... [2018-10-26 22:20:44,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:20:44,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:20:44,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:20:44,105 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:20:44,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44" (1/1) ... [2018-10-26 22:20:44,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44" (1/1) ... [2018-10-26 22:20:44,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44" (1/1) ... [2018-10-26 22:20:44,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44" (1/1) ... [2018-10-26 22:20:44,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44" (1/1) ... [2018-10-26 22:20:44,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44" (1/1) ... [2018-10-26 22:20:44,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44" (1/1) ... [2018-10-26 22:20:44,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:20:44,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:20:44,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:20:44,129 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:20:44,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/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 22:20:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:20:44,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:20:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-10-26 22:20:44,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-10-26 22:20:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:20:44,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:20:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:20:44,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:20:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 22:20:44,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 22:20:44,646 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:20:44,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:44 BoogieIcfgContainer [2018-10-26 22:20:44,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:20:44,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:20:44,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:20:44,650 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:20:44,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:20:43" (1/3) ... [2018-10-26 22:20:44,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76420334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:20:44, skipping insertion in model container [2018-10-26 22:20:44,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:20:44" (2/3) ... [2018-10-26 22:20:44,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76420334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:20:44, skipping insertion in model container [2018-10-26 22:20:44,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:44" (3/3) ... [2018-10-26 22:20:44,655 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_tight_false-unreach-call_true-termination.c [2018-10-26 22:20:44,664 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:20:44,670 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:20:44,683 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:20:44,706 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:20:44,707 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:20:44,707 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:20:44,707 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:20:44,707 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:20:44,707 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:20:44,707 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:20:44,707 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:20:44,707 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:20:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-26 22:20:44,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 22:20:44,726 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:20:44,727 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:20:44,729 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:20:44,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:20:44,734 INFO L82 PathProgramCache]: Analyzing trace with hash 157905740, now seen corresponding path program 1 times [2018-10-26 22:20:44,738 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:20:44,739 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/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 22:20:44,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:20:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:20:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:20:45,100 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:20:45,111 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:45,112 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:45,113 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:45,113 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:45,113 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:45,114 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:45,114 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:45,114 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:45,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:20:45 BoogieIcfgContainer [2018-10-26 22:20:45,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:20:45,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:20:45,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:20:45,130 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:20:45,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:20:44" (3/4) ... [2018-10-26 22:20:45,133 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 22:20:45,134 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:45,135 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:45,135 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:45,135 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:45,135 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:45,136 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:45,137 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:20:45,137 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:20:45,176 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2a279ad5-a6f3-4062-9e18-48b6000ae07f/bin-2019/utaipan/witness.graphml [2018-10-26 22:20:45,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:20:45,177 INFO L168 Benchmark]: Toolchain (without parser) took 1332.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:45,178 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:45,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.70 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:45,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.56 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:45,180 INFO L168 Benchmark]: Boogie Preprocessor took 23.73 ms. Allocated memory is still 1.0 GB. Free memory is still 934.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:45,181 INFO L168 Benchmark]: RCFGBuilder took 518.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -193.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:45,181 INFO L168 Benchmark]: TraceAbstraction took 482.14 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:45,182 INFO L168 Benchmark]: Witness Printer took 46.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:45,186 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 223.70 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.8 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 34.56 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.73 ms. Allocated memory is still 1.0 GB. Free memory is still 934.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 518.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -193.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 482.14 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Witness Printer took 46.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. 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.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 * 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, 0.4s 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...