./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_tight.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 692e0f6bff326dae555773498e30d5c37d6c88dd20df70f4e6fff349bc763d90 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:32:20,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:32:20,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:32:20,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:32:20,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:32:20,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:32:20,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:32:20,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:32:20,819 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:32:20,819 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:32:20,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:32:20,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:32:20,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:32:20,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:32:20,820 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:32:20,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:32:20,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:32:20,820 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:32:20,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:32:20,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:32:20,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:32:20,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:32:20,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:32:20,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:32:20,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:32:20,821 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:32:20,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:32:20,821 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:32:20,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:32:20,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:32:20,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:32:20,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:32:20,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:32:20,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:32:20,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:32:20,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:32:20,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:32:20,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:32:20,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:32:20,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:32:20,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:32:20,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:32:20,827 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 692e0f6bff326dae555773498e30d5c37d6c88dd20df70f4e6fff349bc763d90 [2024-11-13 14:32:21,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:32:21,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:32:21,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:32:21,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:32:21,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:32:21,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-benchs/cast_union_tight.c Unable to find full path for "g++" [2024-11-13 14:32:23,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:32:23,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:32:23,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/sv-benchmarks/c/float-benchs/cast_union_tight.c [2024-11-13 14:32:23,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/data/ab75f04a8/d0ed5e247d794459a6e061c9cc795e4b/FLAG4367c980a [2024-11-13 14:32:23,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/data/ab75f04a8/d0ed5e247d794459a6e061c9cc795e4b [2024-11-13 14:32:23,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:32:23,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:32:23,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:32:23,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:32:23,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:32:23,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:23" (1/1) ... [2024-11-13 14:32:23,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cecf357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:23, skipping insertion in model container [2024-11-13 14:32:23,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:23" (1/1) ... [2024-11-13 14:32:23,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:32:24,105 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/sv-benchmarks/c/float-benchs/cast_union_tight.c[495,508] [2024-11-13 14:32:24,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:32:24,147 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:32:24,162 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/sv-benchmarks/c/float-benchs/cast_union_tight.c[495,508] [2024-11-13 14:32:24,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:32:24,210 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:32:24,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24 WrapperNode [2024-11-13 14:32:24,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:32:24,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:32:24,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:32:24,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:32:24,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,257 INFO L138 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-13 14:32:24,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:32:24,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:32:24,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:32:24,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:32:24,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,309 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 3, 5]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 2, 2]. [2024-11-13 14:32:24,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:32:24,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:32:24,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:32:24,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:32:24,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (1/1) ... [2024-11-13 14:32:24,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:32:24,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:32:24,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:32:24,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:32:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:32:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:32:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:32:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:32:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:32:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 14:32:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 14:32:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 14:32:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:32:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:32:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:32:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:32:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:32:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:32:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:32:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:32:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:32:24,505 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:32:24,507 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:32:24,718 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 14:32:24,719 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:32:24,729 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:32:24,730 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:32:24,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:24 BoogieIcfgContainer [2024-11-13 14:32:24,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:32:24,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:32:24,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:32:24,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:32:24,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:32:23" (1/3) ... [2024-11-13 14:32:24,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1582821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:24, skipping insertion in model container [2024-11-13 14:32:24,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24" (2/3) ... [2024-11-13 14:32:24,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1582821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:24, skipping insertion in model container [2024-11-13 14:32:24,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:24" (3/3) ... [2024-11-13 14:32:24,748 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2024-11-13 14:32:24,769 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:32:24,773 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG cast_union_tight.c that has 1 procedures, 15 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 14:32:24,857 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:32:24,880 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4bc5c61b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:32:24,880 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:32:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:32:24,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 14:32:24,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:24,895 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:24,896 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:32:24,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:24,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1805304006, now seen corresponding path program 1 times [2024-11-13 14:32:24,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:32:24,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136055440] [2024-11-13 14:32:24,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:24,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:32:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:32:25,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:32:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:32:25,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:32:25,230 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:32:25,232 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:32:25,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:32:25,240 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:32:25,273 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:32:25,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:32:25 BoogieIcfgContainer [2024-11-13 14:32:25,277 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:32:25,278 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:32:25,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:32:25,279 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:32:25,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:24" (3/4) ... [2024-11-13 14:32:25,283 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:32:25,284 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:32:25,285 INFO L158 Benchmark]: Toolchain (without parser) took 1428.44ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 51.1MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 14:32:25,286 INFO L158 Benchmark]: CDTParser took 1.64ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:25,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.39ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:32:25,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.86ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:25,288 INFO L158 Benchmark]: Boogie Preprocessor took 79.24ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:32:25,288 INFO L158 Benchmark]: RCFGBuilder took 390.92ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 67.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:32:25,289 INFO L158 Benchmark]: TraceAbstraction took 542.23ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 51.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:32:25,289 INFO L158 Benchmark]: Witness Printer took 5.87ms. Allocated memory is still 117.4MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:25,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.39ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.86ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 79.24ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 390.92ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 67.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 542.23ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 51.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.87ms. Allocated memory is still 117.4MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 9]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 23, overapproximation of someBinaryDOUBLEComparisonOperation at line 34. Possible FailurePath: [L28] int a; [L29] double r; [L31] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) [L18] union u x, y; [L19] x.i[0] = 0x43300000 [L20] EXPR x.i[0] [L20] y.i[0] = x.i[0] [L21] x.i[1] = 0x80000000 [L22] EXPR x.i[1] [L22] EXPR i ^ x.i[1] VAL [y={6:0}] [L22] y.i[1] = i ^ x.i[1] [L23] EXPR y.d [L23] EXPR x.d [L23] return y.d - x.d; [L23] return y.d - x.d; [L23] return y.d - x.d; [L33] RET, EXPR cast(a) [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r == a) [L9] COND TRUE !(cond) [L9] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:32:25,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 692e0f6bff326dae555773498e30d5c37d6c88dd20df70f4e6fff349bc763d90 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:32:28,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:32:28,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 14:32:28,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:32:28,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:32:28,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:32:28,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:32:28,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:32:28,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:32:28,706 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:32:28,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:32:28,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:32:28,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:32:28,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:32:28,709 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:32:28,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:32:28,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:32:28,709 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:32:28,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:32:28,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:32:28,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:32:28,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:32:28,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:32:28,711 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:32:28,711 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:32:28,711 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:32:28,711 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:32:28,711 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:32:28,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:32:28,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:32:28,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:32:28,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:32:28,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:32:28,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:32:28,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:32:28,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:32:28,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:32:28,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:32:28,714 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:32:28,714 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:32:28,714 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:32:28,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:32:28,715 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:32:28,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:32:28,715 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 692e0f6bff326dae555773498e30d5c37d6c88dd20df70f4e6fff349bc763d90 [2024-11-13 14:32:29,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:32:29,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:32:29,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:32:29,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:32:29,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:32:29,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-benchs/cast_union_tight.c Unable to find full path for "g++" [2024-11-13 14:32:31,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:32:31,896 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:32:31,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/sv-benchmarks/c/float-benchs/cast_union_tight.c [2024-11-13 14:32:31,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/data/68422b5f6/13c548578bf347a4b47ac26c5c4155e3/FLAG377ab543f [2024-11-13 14:32:31,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/data/68422b5f6/13c548578bf347a4b47ac26c5c4155e3 [2024-11-13 14:32:31,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:32:31,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:32:31,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:32:31,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:32:31,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:32:31,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27472515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31, skipping insertion in model container [2024-11-13 14:32:31,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,964 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:32:32,177 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/sv-benchmarks/c/float-benchs/cast_union_tight.c[495,508] [2024-11-13 14:32:32,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:32:32,223 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:32:32,239 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/sv-benchmarks/c/float-benchs/cast_union_tight.c[495,508] [2024-11-13 14:32:32,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:32:32,289 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:32:32,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32 WrapperNode [2024-11-13 14:32:32,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:32:32,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:32:32,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:32:32,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:32:32,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,352 INFO L138 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-13 14:32:32,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:32:32,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:32:32,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:32:32,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:32:32,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,372 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,401 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 5, 3]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 2, 2]. [2024-11-13 14:32:32,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:32:32,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:32:32,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:32:32,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:32:32,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (1/1) ... [2024-11-13 14:32:32,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:32:32,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:32:32,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:32:32,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:32:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:32:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-13 14:32:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-13 14:32:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-13 14:32:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 14:32:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 14:32:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 14:32:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:32:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 14:32:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 14:32:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 14:32:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:32:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:32:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:32:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 14:32:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 14:32:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 14:32:32,692 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:32:32,695 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:32:33,027 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 14:32:33,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:32:33,051 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:32:33,051 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:32:33,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:33 BoogieIcfgContainer [2024-11-13 14:32:33,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:32:33,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:32:33,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:32:33,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:32:33,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:32:31" (1/3) ... [2024-11-13 14:32:33,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f3d656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:33, skipping insertion in model container [2024-11-13 14:32:33,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:32" (2/3) ... [2024-11-13 14:32:33,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f3d656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:33, skipping insertion in model container [2024-11-13 14:32:33,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:33" (3/3) ... [2024-11-13 14:32:33,074 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2024-11-13 14:32:33,095 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:32:33,100 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG cast_union_tight.c that has 1 procedures, 10 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 14:32:33,177 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:32:33,202 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f8edd02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:32:33,202 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:32:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:32:33,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 14:32:33,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:33,217 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 14:32:33,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:32:33,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:33,226 INFO L85 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2024-11-13 14:32:33,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:32:33,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167677409] [2024-11-13 14:32:33,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:33,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:32:33,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:32:33,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 14:32:33,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 14:32:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:32:33,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:32:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:32:33,734 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 14:32:33,736 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:32:33,737 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:32:33,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 14:32:33,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:32:33,944 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:32:33,967 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:32:33,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:32:33 BoogieIcfgContainer [2024-11-13 14:32:33,974 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:32:33,974 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:32:33,975 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:32:33,975 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:32:33,976 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:33" (3/4) ... [2024-11-13 14:32:33,977 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 14:32:34,029 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:32:34,029 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:32:34,034 INFO L158 Benchmark]: Toolchain (without parser) took 2099.38ms. Allocated memory is still 117.4MB. Free memory was 95.6MB in the beginning and 52.9MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 14:32:34,035 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:34,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.68ms. Allocated memory is still 117.4MB. Free memory was 95.4MB in the beginning and 83.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:32:34,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.71ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 82.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:34,036 INFO L158 Benchmark]: Boogie Preprocessor took 84.69ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 80.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:32:34,036 INFO L158 Benchmark]: RCFGBuilder took 611.40ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:32:34,037 INFO L158 Benchmark]: TraceAbstraction took 913.09ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 54.7MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:32:34,037 INFO L158 Benchmark]: Witness Printer took 54.98ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 52.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:34,039 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.68ms. Allocated memory is still 117.4MB. Free memory was 95.4MB in the beginning and 83.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.71ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 82.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 84.69ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 80.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 611.40ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 913.09ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 54.7MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 54.98ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 52.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 9]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L28] int a; [L29] double r; [L31] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) [L18] union u x, y; [L19] x.i[0] = 0x43300000 [L20] EXPR x.i[0] [L20] y.i[0] = x.i[0] [L21] x.i[1] = 0x80000000 [L22] EXPR x.i[1] [L22] y.i[1] = i ^ x.i[1] [L23] EXPR y.d [L23] EXPR x.d [L23] return y.d - x.d; [L23] return y.d - x.d; [L23] return y.d - x.d; VAL [\result=0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001113840564] [L33] RET, EXPR cast(a) [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r == a) [L9] COND TRUE !(cond) [L9] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-13 14:32:34,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc61f39a-64c8-4791-bd5e-888f948db4e1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE