./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC --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 2353b893872e012206111abb166a426e9f40d30394d7ebef586e8dc818388f82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:27:11,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:27:11,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:27:11,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:27:11,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:27:11,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:27:11,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:27:11,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:27:11,170 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:27:11,171 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:27:11,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:27:11,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:27:11,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:27:11,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:27:11,172 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:27:11,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:27:11,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:27:11,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:27:11,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:27:11,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:27:11,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:27:11,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:27:11,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:27:11,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:27:11,174 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:27:11,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:27:11,174 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:27:11,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:27:11,174 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:27:11,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:27:11,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:27:11,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:27:11,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:27:11,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:27:11,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:27:11,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:27:11,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:27:11,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:27:11,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:27:11,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:27:11,176 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:27:11,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:27:11,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:27:11,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:27:11,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:27:11,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:27:11,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:27:11,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:27:11,177 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_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC 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 -> 2353b893872e012206111abb166a426e9f40d30394d7ebef586e8dc818388f82 [2024-11-23 23:27:11,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:27:11,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:27:11,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:27:11,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:27:11,525 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:27:11,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c [2024-11-23 23:27:14,532 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/data/c386f9193/ccfcd01064fe4b9c9a0ebe32781f5394/FLAG7b7164386 [2024-11-23 23:27:14,893 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:27:14,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c [2024-11-23 23:27:14,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/data/c386f9193/ccfcd01064fe4b9c9a0ebe32781f5394/FLAG7b7164386 [2024-11-23 23:27:15,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/data/c386f9193/ccfcd01064fe4b9c9a0ebe32781f5394 [2024-11-23 23:27:15,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:27:15,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:27:15,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:27:15,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:27:15,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:27:15,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcfa840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15, skipping insertion in model container [2024-11-23 23:27:15,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:27:15,360 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_3646de3c-ea51-4e92-8805-d824581b112f/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[1996,2009] [2024-11-23 23:27:15,367 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_3646de3c-ea51-4e92-8805-d824581b112f/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[2365,2378] [2024-11-23 23:27:15,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:27:15,439 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:27:15,453 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_3646de3c-ea51-4e92-8805-d824581b112f/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[1996,2009] [2024-11-23 23:27:15,454 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_3646de3c-ea51-4e92-8805-d824581b112f/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[2365,2378] [2024-11-23 23:27:15,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:27:15,522 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:27:15,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15 WrapperNode [2024-11-23 23:27:15,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:27:15,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:27:15,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:27:15,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:27:15,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,574 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 168 [2024-11-23 23:27:15,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:27:15,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:27:15,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:27:15,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:27:15,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,605 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:27:15,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,615 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:27:15,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:27:15,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:27:15,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:27:15,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (1/1) ... [2024-11-23 23:27:15,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:27:15,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:27:15,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:27:15,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:27:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:27:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-23 23:27:15,693 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-23 23:27:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:27:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:27:15,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:27:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-23 23:27:15,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-23 23:27:15,766 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:27:15,768 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:27:16,139 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-23 23:27:16,139 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:27:16,159 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:27:16,159 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 23:27:16,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:27:16 BoogieIcfgContainer [2024-11-23 23:27:16,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:27:16,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:27:16,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:27:16,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:27:16,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:27:15" (1/3) ... [2024-11-23 23:27:16,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae611db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:27:16, skipping insertion in model container [2024-11-23 23:27:16,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:15" (2/3) ... [2024-11-23 23:27:16,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae611db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:27:16, skipping insertion in model container [2024-11-23 23:27:16,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:27:16" (3/3) ... [2024-11-23 23:27:16,176 INFO L128 eAbstractionObserver]: Analyzing ICFG square_1+soft_float_5a.c.cil.c [2024-11-23 23:27:16,193 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:27:16,195 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG square_1+soft_float_5a.c.cil.c that has 3 procedures, 82 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-11-23 23:27:16,265 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:27:16,281 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;@46aa3782, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:27:16,281 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 23:27:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 72 states have (on average 1.5555555555555556) internal successors, (112), 75 states have internal predecessors, (112), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 23:27:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-23 23:27:16,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:27:16,294 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:27:16,294 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:27:16,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:27:16,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1530844763, now seen corresponding path program 1 times [2024-11-23 23:27:16,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:27:16,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165369341] [2024-11-23 23:27:16,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:27:16,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:27:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:27:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:27:16,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:27:16,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165369341] [2024-11-23 23:27:16,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165369341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:27:16,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:27:16,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:27:16,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961723121] [2024-11-23 23:27:16,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:27:16,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:27:16,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:27:16,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:27:16,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:27:16,487 INFO L87 Difference]: Start difference. First operand has 82 states, 72 states have (on average 1.5555555555555556) internal successors, (112), 75 states have internal predecessors, (112), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-23 23:27:16,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:27:16,524 INFO L93 Difference]: Finished difference Result 159 states and 241 transitions. [2024-11-23 23:27:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:27:16,527 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) Word has length 7 [2024-11-23 23:27:16,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:27:16,538 INFO L225 Difference]: With dead ends: 159 [2024-11-23 23:27:16,540 INFO L226 Difference]: Without dead ends: 73 [2024-11-23 23:27:16,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:27:16,547 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:27:16,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:27:16,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-23 23:27:16,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-23 23:27:16,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 66 states have internal predecessors, (93), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:27:16,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2024-11-23 23:27:16,623 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 7 [2024-11-23 23:27:16,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:27:16,623 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2024-11-23 23:27:16,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-23 23:27:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2024-11-23 23:27:16,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-23 23:27:16,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:27:16,624 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:27:16,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:27:16,625 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:27:16,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:27:16,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1530904345, now seen corresponding path program 1 times [2024-11-23 23:27:16,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:27:16,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761400370] [2024-11-23 23:27:16,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:27:16,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:27:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:27:16,653 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:27:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:27:16,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:27:16,691 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:27:16,693 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-23 23:27:16,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-23 23:27:16,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:27:16,700 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 23:27:16,713 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:27:16,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:27:16 BoogieIcfgContainer [2024-11-23 23:27:16,719 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:27:16,720 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:27:16,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:27:16,720 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:27:16,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:27:16" (3/4) ... [2024-11-23 23:27:16,723 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:27:16,724 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:27:16,725 INFO L158 Benchmark]: Toolchain (without parser) took 1619.84ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 110.0MB in the end (delta: 8.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-23 23:27:16,727 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:27:16,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.83ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 103.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:27:16,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.37ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 101.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:27:16,728 INFO L158 Benchmark]: Boogie Preprocessor took 54.59ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 99.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:27:16,729 INFO L158 Benchmark]: RCFGBuilder took 526.94ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 78.8MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:27:16,730 INFO L158 Benchmark]: TraceAbstraction took 553.87ms. Allocated memory is still 142.6MB. Free memory was 78.0MB in the beginning and 110.0MB in the end (delta: -31.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:27:16,730 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 110.0MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:27:16,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.83ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 103.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.37ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 101.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.59ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 99.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.94ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 78.8MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 553.87ms. Allocated memory is still 142.6MB. Free memory was 78.0MB in the beginning and 110.0MB in the end (delta: -31.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 110.0MB in the end (delta: 21.0kB). 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: 48]: 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 someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L47] COND TRUE !(result >= 0.0f && result < 1.39f) [L48] reach_error() - UnprovableResult [Line: 60]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 82 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 113 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 113 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 23:27:16,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/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_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC --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 2353b893872e012206111abb166a426e9f40d30394d7ebef586e8dc818388f82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:27:19,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:27:19,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:27:19,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:27:19,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:27:19,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:27:19,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:27:19,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:27:19,592 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:27:19,592 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:27:19,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:27:19,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:27:19,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:27:19,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:27:19,594 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:27:19,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:27:19,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:27:19,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:27:19,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:27:19,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:27:19,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:27:19,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:27:19,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:27:19,595 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:27:19,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:27:19,595 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:27:19,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:27:19,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:27:19,595 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:27:19,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:27:19,596 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:27:19,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:27:19,596 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:27:19,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:27:19,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:27:19,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:27:19,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:27:19,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:27:19,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:27:19,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:27:19,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:27:19,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:27:19,598 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:27:19,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:27:19,598 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:27:19,598 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:27:19,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:27:19,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:27:19,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:27:19,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:27:19,599 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_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC 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 -> 2353b893872e012206111abb166a426e9f40d30394d7ebef586e8dc818388f82 [2024-11-23 23:27:19,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:27:19,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:27:19,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:27:19,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:27:19,944 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:27:19,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c [2024-11-23 23:27:22,986 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/data/8e45b0a8e/d40e2781966c497aa566501a24feebf3/FLAG3496b78ac [2024-11-23 23:27:23,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:27:23,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c [2024-11-23 23:27:23,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/data/8e45b0a8e/d40e2781966c497aa566501a24feebf3/FLAG3496b78ac [2024-11-23 23:27:23,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/data/8e45b0a8e/d40e2781966c497aa566501a24feebf3 [2024-11-23 23:27:23,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:27:23,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:27:23,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:27:23,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:27:23,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:27:23,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331a016a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23, skipping insertion in model container [2024-11-23 23:27:23,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:27:23,570 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_3646de3c-ea51-4e92-8805-d824581b112f/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[1996,2009] [2024-11-23 23:27:23,578 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_3646de3c-ea51-4e92-8805-d824581b112f/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[2365,2378] [2024-11-23 23:27:23,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:27:23,681 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:27:23,699 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_3646de3c-ea51-4e92-8805-d824581b112f/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[1996,2009] [2024-11-23 23:27:23,702 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_3646de3c-ea51-4e92-8805-d824581b112f/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[2365,2378] [2024-11-23 23:27:23,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:27:23,771 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:27:23,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23 WrapperNode [2024-11-23 23:27:23,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:27:23,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:27:23,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:27:23,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:27:23,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,823 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 132 [2024-11-23 23:27:23,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:27:23,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:27:23,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:27:23,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:27:23,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,854 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:27:23,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,868 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:27:23,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:27:23,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:27:23,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:27:23,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (1/1) ... [2024-11-23 23:27:23,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:27:23,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:27:23,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:27:23,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:27:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:27:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:27:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-23 23:27:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-23 23:27:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:27:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:27:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-23 23:27:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-23 23:27:24,040 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:27:24,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:27:28,675 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-23 23:27:28,675 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:27:28,685 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:27:28,685 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 23:27:28,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:27:28 BoogieIcfgContainer [2024-11-23 23:27:28,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:27:28,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:27:28,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:27:28,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:27:28,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:27:23" (1/3) ... [2024-11-23 23:27:28,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@903036d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:27:28, skipping insertion in model container [2024-11-23 23:27:28,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:27:23" (2/3) ... [2024-11-23 23:27:28,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@903036d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:27:28, skipping insertion in model container [2024-11-23 23:27:28,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:27:28" (3/3) ... [2024-11-23 23:27:28,696 INFO L128 eAbstractionObserver]: Analyzing ICFG square_1+soft_float_5a.c.cil.c [2024-11-23 23:27:28,709 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:27:28,710 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG square_1+soft_float_5a.c.cil.c that has 3 procedures, 59 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-11-23 23:27:28,779 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:27:28,791 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;@7f1f8acf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:27:28,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 23:27:28,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 49 states have (on average 1.5714285714285714) internal successors, (77), 52 states have internal predecessors, (77), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 23:27:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-23 23:27:28,801 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:27:28,801 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:27:28,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:27:28,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:27:28,807 INFO L85 PathProgramCache]: Analyzing trace with hash 78502818, now seen corresponding path program 1 times [2024-11-23 23:27:28,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:27:28,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270323571] [2024-11-23 23:27:28,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:27:28,818 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 [2024-11-23 23:27:28,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:27:28,822 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:27:28,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:27:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:27:29,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:27:29,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:27:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:27:29,358 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:27:29,359 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:27:29,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270323571] [2024-11-23 23:27:29,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270323571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:27:29,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:27:29,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:27:29,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777188179] [2024-11-23 23:27:29,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:27:29,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:27:29,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:27:29,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:27:29,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:27:29,389 INFO L87 Difference]: Start difference. First operand has 59 states, 49 states have (on average 1.5714285714285714) internal successors, (77), 52 states have internal predecessors, (77), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-23 23:27:29,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:27:29,419 INFO L93 Difference]: Finished difference Result 113 states and 171 transitions. [2024-11-23 23:27:29,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:27:29,424 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) Word has length 7 [2024-11-23 23:27:29,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:27:29,432 INFO L225 Difference]: With dead ends: 113 [2024-11-23 23:27:29,433 INFO L226 Difference]: Without dead ends: 50 [2024-11-23 23:27:29,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:27:29,441 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:27:29,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:27:29,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-23 23:27:29,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-23 23:27:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 43 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 23:27:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 69 transitions. [2024-11-23 23:27:29,498 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 69 transitions. Word has length 7 [2024-11-23 23:27:29,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:27:29,499 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 69 transitions. [2024-11-23 23:27:29,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-23 23:27:29,499 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2024-11-23 23:27:29,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-23 23:27:29,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:27:29,500 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:27:29,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-23 23:27:29,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:27:29,702 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:27:29,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:27:29,704 INFO L85 PathProgramCache]: Analyzing trace with hash 78562400, now seen corresponding path program 1 times [2024-11-23 23:27:29,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:27:29,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943189032] [2024-11-23 23:27:29,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:27:29,705 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 [2024-11-23 23:27:29,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:27:29,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:27:29,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/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 (3)] Waiting until timeout for monitored process [2024-11-23 23:27:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:27:39,190 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:28:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:28:47,371 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-23 23:28:47,372 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:28:47,373 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-23 23:28:47,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-23 23:28:47,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/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 (3)] Ended with exit code 0 [2024-11-23 23:28:47,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:28:47,582 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 23:28:47,596 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:28:47,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:28:47 BoogieIcfgContainer [2024-11-23 23:28:47,599 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:28:47,599 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:28:47,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:28:47,600 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:28:47,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:27:28" (3/4) ... [2024-11-23 23:28:47,601 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-23 23:28:47,633 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-23 23:28:47,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:28:47,690 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:28:47,690 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:28:47,691 INFO L158 Benchmark]: Toolchain (without parser) took 84365.90ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 36.9MB in the end (delta: 23.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-23 23:28:47,692 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:28:47,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.82ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 46.0MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:28:47,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.93ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 44.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:28:47,692 INFO L158 Benchmark]: Boogie Preprocessor took 64.96ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 42.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:28:47,693 INFO L158 Benchmark]: RCFGBuilder took 4796.02ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 24.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:28:47,693 INFO L158 Benchmark]: TraceAbstraction took 78909.95ms. Allocated memory is still 83.9MB. Free memory was 24.2MB in the beginning and 41.2MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:28:47,693 INFO L158 Benchmark]: Witness Printer took 91.09ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 36.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:28:47,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.82ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 46.0MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.93ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 44.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.96ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 42.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 4796.02ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 24.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 78909.95ms. Allocated memory is still 83.9MB. Free memory was 24.2MB in the beginning and 41.2MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.09ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 36.9MB in the end (delta: 4.2MB). 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: 48]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [result=1.3984375] [L47] COND TRUE !(result >= 0.0f && result < 1.39f) [L48] reach_error() - UnprovableResult [Line: 60]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 59 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 78.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 80 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 9.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-23 23:28:47,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3646de3c-ea51-4e92-8805-d824581b112f/bin/uautomizer-verify-LYvppIcaGC/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