./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/gelu_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/gelu_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 980469bdb00548c239bcc36d381207d8389dd7cd31aa998fe718fa8223e1f7cc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:08:47,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:08:47,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:08:47,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:08:47,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:08:47,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:08:47,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:08:47,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:08:47,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:08:47,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:08:47,237 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:08:47,238 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:08:47,238 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:08:47,239 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:08:47,240 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:08:47,241 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:08:47,241 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:08:47,242 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:08:47,242 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:08:47,243 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:08:47,244 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:08:47,244 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:08:47,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:08:47,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:08:47,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:08:47,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:08:47,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:08:47,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:08:47,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:08:47,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:08:47,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:08:47,251 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:08:47,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:08:47,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:08:47,253 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:08:47,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:08:47,254 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:08:47,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:08:47,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:08:47,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:08:47,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:08:47,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:08:47,257 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:08:47,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:08:47,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:08:47,258 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:08:47,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:08:47,259 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 980469bdb00548c239bcc36d381207d8389dd7cd31aa998fe718fa8223e1f7cc [2024-11-09 06:08:47,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:08:47,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:08:47,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:08:47,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:08:47,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:08:47,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/neural-networks/gelu_1_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 06:08:50,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:08:50,636 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:08:50,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/sv-benchmarks/c/neural-networks/gelu_1_safe.c-amalgamation.i [2024-11-09 06:08:50,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/data/4dbf3e381/17f66cfe72d84e57aa2047ccc2fdc257/FLAGd1d72dc1e [2024-11-09 06:08:50,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/data/4dbf3e381/17f66cfe72d84e57aa2047ccc2fdc257 [2024-11-09 06:08:50,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:08:50,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:08:50,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:08:50,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:08:50,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:08:50,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:08:50" (1/1) ... [2024-11-09 06:08:50,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39478ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:50, skipping insertion in model container [2024-11-09 06:08:50,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:08:50" (1/1) ... [2024-11-09 06:08:50,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:08:51,722 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_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/sv-benchmarks/c/neural-networks/gelu_1_safe.c-amalgamation.i[63182,63195] [2024-11-09 06:08:51,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:08:51,741 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:08:51,802 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_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/sv-benchmarks/c/neural-networks/gelu_1_safe.c-amalgamation.i[63182,63195] [2024-11-09 06:08:51,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:08:52,042 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:08:52,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52 WrapperNode [2024-11-09 06:08:52,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:08:52,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:08:52,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:08:52,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:08:52,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (1/1) ... [2024-11-09 06:08:52,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (1/1) ... [2024-11-09 06:08:52,135 INFO L138 Inliner]: procedures = 558, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-09 06:08:52,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:08:52,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:08:52,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:08:52,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:08:52,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (1/1) ... [2024-11-09 06:08:52,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (1/1) ... [2024-11-09 06:08:52,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (1/1) ... [2024-11-09 06:08:52,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (1/1) ... [2024-11-09 06:08:52,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (1/1) ... [2024-11-09 06:08:52,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (1/1) ... [2024-11-09 06:08:52,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (1/1) ... [2024-11-09 06:08:52,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (1/1) ... [2024-11-09 06:08:52,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:08:52,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:08:52,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:08:52,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:08:52,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (1/1) ... [2024-11-09 06:08:52,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:08:52,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:08:52,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:08:52,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:08:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:08:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:08:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:08:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:08:52,465 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:08:52,468 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:08:52,624 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 06:08:52,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:08:52,699 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:08:52,699 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:08:52,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:08:52 BoogieIcfgContainer [2024-11-09 06:08:52,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:08:52,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:08:52,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:08:52,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:08:52,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:08:50" (1/3) ... [2024-11-09 06:08:52,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cabe482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:08:52, skipping insertion in model container [2024-11-09 06:08:52,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:08:52" (2/3) ... [2024-11-09 06:08:52,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cabe482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:08:52, skipping insertion in model container [2024-11-09 06:08:52,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:08:52" (3/3) ... [2024-11-09 06:08:52,721 INFO L112 eAbstractionObserver]: Analyzing ICFG gelu_1_safe.c-amalgamation.i [2024-11-09 06:08:52,753 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:08:52,753 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:08:52,835 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:08:52,842 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=FINITE_AUTOMATA, 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;@57db944a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:08:52,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:08:52,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-11-09 06:08:52,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 06:08:52,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:08:52,868 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 06:08:52,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:08:52,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:08:52,878 INFO L85 PathProgramCache]: Analyzing trace with hash 66950, now seen corresponding path program 1 times [2024-11-09 06:08:52,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:08:52,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735391495] [2024-11-09 06:08:52,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:08:52,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:08:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:08:53,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:08:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:08:53,132 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:08:53,134 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:08:53,136 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:08:53,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:08:53,145 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:08:53,161 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:08:53,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:08:53 BoogieIcfgContainer [2024-11-09 06:08:53,170 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:08:53,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:08:53,173 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:08:53,173 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:08:53,174 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:08:52" (3/4) ... [2024-11-09 06:08:53,180 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:08:53,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:08:53,185 INFO L158 Benchmark]: Toolchain (without parser) took 2489.18ms. Allocated memory is still 186.6MB. Free memory was 154.2MB in the beginning and 129.1MB in the end (delta: 25.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-09 06:08:53,185 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 102.3MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:08:53,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1346.50ms. Allocated memory is still 186.6MB. Free memory was 154.0MB in the beginning and 92.4MB in the end (delta: 61.6MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2024-11-09 06:08:53,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.79ms. Allocated memory is still 186.6MB. Free memory was 92.4MB in the beginning and 89.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:08:53,189 INFO L158 Benchmark]: Boogie Preprocessor took 32.62ms. Allocated memory is still 186.6MB. Free memory was 89.3MB in the beginning and 88.4MB in the end (delta: 894.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:08:53,195 INFO L158 Benchmark]: RCFGBuilder took 529.44ms. Allocated memory is still 186.6MB. Free memory was 88.4MB in the beginning and 143.7MB in the end (delta: -55.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:08:53,195 INFO L158 Benchmark]: TraceAbstraction took 464.95ms. Allocated memory is still 186.6MB. Free memory was 143.7MB in the beginning and 130.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:08:53,196 INFO L158 Benchmark]: Witness Printer took 11.16ms. Allocated memory is still 186.6MB. Free memory was 130.1MB in the beginning and 129.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:08:53,204 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 102.3MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1346.50ms. Allocated memory is still 186.6MB. Free memory was 154.0MB in the beginning and 92.4MB in the end (delta: 61.6MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.79ms. Allocated memory is still 186.6MB. Free memory was 92.4MB in the beginning and 89.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.62ms. Allocated memory is still 186.6MB. Free memory was 89.3MB in the beginning and 88.4MB in the end (delta: 894.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 529.44ms. Allocated memory is still 186.6MB. Free memory was 88.4MB in the beginning and 143.7MB in the end (delta: -55.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 464.95ms. Allocated memory is still 186.6MB. Free memory was 143.7MB in the beginning and 130.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 11.16ms. Allocated memory is still 186.6MB. Free memory was 130.1MB in the beginning and 129.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 855]: 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 855, overapproximation of someBinaryArithmeticFLOAToperation at line 847. Possible FailurePath: [L852] float x = __VERIFIER_nondet_float(); [L853] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L853] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L853] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x))) [L854] CALL, EXPR gelu(x) [L847] float cdf = 0.5f * erff(x / 1.41421356237309504880168872420969807856967187537694807317667973799f) + 0.5f; [L848] return x * cdf; [L854] RET, EXPR gelu(x) [L854] float y = gelu(x); [L855] COND TRUE !(__builtin_islessequal(y, x)) [L855] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=6occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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 [2024-11-09 06:08:53,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/gelu_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 980469bdb00548c239bcc36d381207d8389dd7cd31aa998fe718fa8223e1f7cc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:08:56,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:08:56,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:08:56,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:08:56,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:08:56,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:08:56,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:08:56,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:08:56,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:08:56,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:08:56,572 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:08:56,573 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:08:56,574 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:08:56,574 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:08:56,575 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:08:56,578 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:08:56,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:08:56,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:08:56,580 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:08:56,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:08:56,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:08:56,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:08:56,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:08:56,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:08:56,586 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:08:56,586 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:08:56,587 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:08:56,587 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:08:56,587 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:08:56,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:08:56,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:08:56,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:08:56,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:08:56,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:08:56,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:08:56,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:08:56,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:08:56,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:08:56,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:08:56,594 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:08:56,595 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:08:56,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:08:56,596 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:08:56,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 980469bdb00548c239bcc36d381207d8389dd7cd31aa998fe718fa8223e1f7cc [2024-11-09 06:08:57,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:08:57,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:08:57,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:08:57,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:08:57,178 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:08:57,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/neural-networks/gelu_1_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 06:09:00,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:09:00,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:09:00,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/sv-benchmarks/c/neural-networks/gelu_1_safe.c-amalgamation.i [2024-11-09 06:09:00,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/data/2c098e1a6/88605e84199e41a6b45447b2548bfbcb/FLAG13f63e8df [2024-11-09 06:09:00,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/data/2c098e1a6/88605e84199e41a6b45447b2548bfbcb [2024-11-09 06:09:00,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:09:00,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:09:00,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:09:00,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:09:00,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:09:00,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:09:00" (1/1) ... [2024-11-09 06:09:00,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfde33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:00, skipping insertion in model container [2024-11-09 06:09:00,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:09:00" (1/1) ... [2024-11-09 06:09:00,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:09:01,806 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_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/sv-benchmarks/c/neural-networks/gelu_1_safe.c-amalgamation.i[63182,63195] [2024-11-09 06:09:01,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:09:01,829 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:09:01,925 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_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/sv-benchmarks/c/neural-networks/gelu_1_safe.c-amalgamation.i[63182,63195] [2024-11-09 06:09:01,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:09:02,153 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:09:02,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02 WrapperNode [2024-11-09 06:09:02,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:09:02,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:09:02,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:09:02,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:09:02,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (1/1) ... [2024-11-09 06:09:02,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (1/1) ... [2024-11-09 06:09:02,241 INFO L138 Inliner]: procedures = 559, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-09 06:09:02,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:09:02,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:09:02,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:09:02,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:09:02,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (1/1) ... [2024-11-09 06:09:02,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (1/1) ... [2024-11-09 06:09:02,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (1/1) ... [2024-11-09 06:09:02,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (1/1) ... [2024-11-09 06:09:02,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (1/1) ... [2024-11-09 06:09:02,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (1/1) ... [2024-11-09 06:09:02,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (1/1) ... [2024-11-09 06:09:02,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (1/1) ... [2024-11-09 06:09:02,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:09:02,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:09:02,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:09:02,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:09:02,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (1/1) ... [2024-11-09 06:09:02,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:09:02,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:09:02,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:09:02,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:09:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:09:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:09:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:09:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:09:02,590 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:09:02,593 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:09:03,802 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 06:09:03,802 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:09:03,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:09:03,817 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:09:03,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:09:03 BoogieIcfgContainer [2024-11-09 06:09:03,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:09:03,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:09:03,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:09:03,826 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:09:03,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:09:00" (1/3) ... [2024-11-09 06:09:03,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e935e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:09:03, skipping insertion in model container [2024-11-09 06:09:03,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:02" (2/3) ... [2024-11-09 06:09:03,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e935e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:09:03, skipping insertion in model container [2024-11-09 06:09:03,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:09:03" (3/3) ... [2024-11-09 06:09:03,832 INFO L112 eAbstractionObserver]: Analyzing ICFG gelu_1_safe.c-amalgamation.i [2024-11-09 06:09:03,862 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:09:03,862 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:09:03,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:09:03,957 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=FINITE_AUTOMATA, 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;@330de577, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:09:03,958 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:09:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 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) [2024-11-09 06:09:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 06:09:03,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:09:03,973 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:09:03,974 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:09:03,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:09:03,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1804965381, now seen corresponding path program 1 times [2024-11-09 06:09:04,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:09:04,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260423991] [2024-11-09 06:09:04,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:09:04,007 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 [2024-11-09 06:09:04,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:09:04,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:09:04,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:09:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:09:04,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:09:04,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:09:04,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:09:04,314 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:09:04,315 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:09:04,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [260423991] [2024-11-09 06:09:04,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [260423991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:09:04,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:09:04,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:09:04,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989787090] [2024-11-09 06:09:04,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:09:04,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:09:04,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:09:04,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:09:04,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:09:04,361 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 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) 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) [2024-11-09 06:09:04,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:09:04,376 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2024-11-09 06:09:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:09:04,378 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 [2024-11-09 06:09:04,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:09:04,385 INFO L225 Difference]: With dead ends: 21 [2024-11-09 06:09:04,386 INFO L226 Difference]: Without dead ends: 8 [2024-11-09 06:09:04,388 INFO L431 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 [2024-11-09 06:09:04,392 INFO L432 NwaCegarLoop]: 11 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, 11 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 [2024-11-09 06:09:04,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:09:04,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-09 06:09:04,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-09 06:09:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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) [2024-11-09 06:09:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-09 06:09:04,427 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 7 [2024-11-09 06:09:04,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:09:04,427 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-09 06:09:04,428 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) [2024-11-09 06:09:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-09 06:09:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 06:09:04,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:09:04,429 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:09:04,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:09:04,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:09:04,630 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:09:04,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:09:04,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812423, now seen corresponding path program 1 times [2024-11-09 06:09:04,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:09:04,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534364652] [2024-11-09 06:09:04,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:09:04,634 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 [2024-11-09 06:09:04,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:09:04,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:09:04,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:09:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:09:04,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:09:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:09:05,002 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 06:09:05,002 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:09:05,005 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:09:05,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:09:05,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:09:05,213 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 06:09:05,232 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:09:05,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:09:05 BoogieIcfgContainer [2024-11-09 06:09:05,236 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:09:05,237 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:09:05,237 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:09:05,237 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:09:05,238 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:09:03" (3/4) ... [2024-11-09 06:09:05,241 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:09:05,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:09:05,244 INFO L158 Benchmark]: Toolchain (without parser) took 4584.74ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 56.4MB in the beginning and 63.8MB in the end (delta: -7.4MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-11-09 06:09:05,244 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:09:05,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1493.84ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 56.2MB in the beginning and 70.0MB in the end (delta: -13.9MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-09 06:09:05,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.15ms. Allocated memory is still 111.1MB. Free memory was 70.0MB in the beginning and 67.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:09:05,247 INFO L158 Benchmark]: Boogie Preprocessor took 55.98ms. Allocated memory is still 111.1MB. Free memory was 67.4MB in the beginning and 65.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:09:05,248 INFO L158 Benchmark]: RCFGBuilder took 1519.04ms. Allocated memory is still 111.1MB. Free memory was 65.8MB in the beginning and 55.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 06:09:05,248 INFO L158 Benchmark]: TraceAbstraction took 1415.60ms. Allocated memory is still 111.1MB. Free memory was 54.8MB in the beginning and 63.8MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:09:05,249 INFO L158 Benchmark]: Witness Printer took 5.86ms. Allocated memory is still 111.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:09:05,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1493.84ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 56.2MB in the beginning and 70.0MB in the end (delta: -13.9MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.15ms. Allocated memory is still 111.1MB. Free memory was 70.0MB in the beginning and 67.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.98ms. Allocated memory is still 111.1MB. Free memory was 67.4MB in the beginning and 65.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1519.04ms. Allocated memory is still 111.1MB. Free memory was 65.8MB in the beginning and 55.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1415.60ms. Allocated memory is still 111.1MB. Free memory was 54.8MB in the beginning and 63.8MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.86ms. Allocated memory is still 111.1MB. Free memory is still 63.8MB. 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 - UnprovableResult [Line: 855]: 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 erff at line 847, overapproximation of __builtin_isinf_sign at line 853. Possible FailurePath: [L852] float x = __VERIFIER_nondet_float(); [L853] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x))) [L854] CALL, EXPR gelu(x) [L847] float cdf = 0.5f * erff(x / 1.41421356237309504880168872420969807856967187537694807317667973799f) + 0.5f; [L848] return x * cdf; VAL [\result=NaN] [L854] RET, EXPR gelu(x) [L854] float y = gelu(x); [L855] COND TRUE !(__builtin_islessequal(y, x)) [L855] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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, 11 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, 11 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=12occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 27 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:09:05,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a73b2f1-c4b7-4ff0-8f4a-2c8ee96674fb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample