./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/gelu_4_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/gelu_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire --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 a9322a0e511158b4fc9b85bcfb9d13e0eea7229ac90330d0a87d0651f96ab9c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:54,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:54,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:18:54,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:54,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:54,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:54,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:54,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:54,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:54,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:54,375 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:54,375 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:54,376 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:54,376 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:54,377 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:54,377 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:54,378 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:54,378 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:54,379 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:54,379 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:54,380 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:54,380 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:54,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:54,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:54,382 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:54,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:54,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:54,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:54,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:54,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:54,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:54,385 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:54,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:54,385 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:54,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:54,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:54,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:54,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:54,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:54,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:54,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:54,388 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:54,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:54,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:54,388 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:54,388 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:54,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:54,389 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_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9322a0e511158b4fc9b85bcfb9d13e0eea7229ac90330d0a87d0651f96ab9c0 [2023-11-23 21:18:54,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:54,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:54,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:54,690 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:54,690 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:54,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/neural-networks/gelu_4_unsafe.c-amalgamation.i [2023-11-23 21:18:57,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:58,235 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:58,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/sv-benchmarks/c/neural-networks/gelu_4_unsafe.c-amalgamation.i [2023-11-23 21:18:58,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/data/5019ec2ad/90cc4d882308422da58025e91dc81b64/FLAG0390c8b04 [2023-11-23 21:18:58,281 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/data/5019ec2ad/90cc4d882308422da58025e91dc81b64 [2023-11-23 21:18:58,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:58,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:58,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:58,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:58,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:58,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:58" (1/1) ... [2023-11-23 21:18:58,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62946d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:58, skipping insertion in model container [2023-11-23 21:18:58,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:58" (1/1) ... [2023-11-23 21:18:58,376 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:58,658 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:18:59,384 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-23 21:18:59,385 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-23 21:18:59,387 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-23 21:18:59,389 WARN L240 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_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/sv-benchmarks/c/neural-networks/gelu_4_unsafe.c-amalgamation.i[63271,63284] [2023-11-23 21:18:59,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:59,407 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:59,442 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:18:59,488 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-23 21:18:59,494 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-23 21:18:59,499 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-23 21:18:59,500 WARN L240 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_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/sv-benchmarks/c/neural-networks/gelu_4_unsafe.c-amalgamation.i[63271,63284] [2023-11-23 21:18:59,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:59,655 WARN L675 CHandler]: The function __builtin_isnan is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:18:59,655 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:18:59,656 WARN L675 CHandler]: The function __builtin_isinf_sign is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:18:59,664 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:59,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59 WrapperNode [2023-11-23 21:18:59,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:59,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:59,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:59,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:59,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,750 INFO L138 Inliner]: procedures = 561, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2023-11-23 21:18:59,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:59,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:59,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:59,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:59,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:59,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:59,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:59,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:59,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:59,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:59,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:59,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isinf_sign [2023-11-23 21:18:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure gelu [2023-11-23 21:18:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure gelu [2023-11-23 21:18:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isnan [2023-11-23 21:18:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:59,978 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:59,981 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:00,092 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:00,205 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:00,205 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:19:00,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:00 BoogieIcfgContainer [2023-11-23 21:19:00,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:00,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:00,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:00,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:00,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:58" (1/3) ... [2023-11-23 21:19:00,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fc718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:00, skipping insertion in model container [2023-11-23 21:19:00,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59" (2/3) ... [2023-11-23 21:19:00,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fc718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:00, skipping insertion in model container [2023-11-23 21:19:00,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:00" (3/3) ... [2023-11-23 21:19:00,228 INFO L112 eAbstractionObserver]: Analyzing ICFG gelu_4_unsafe.c-amalgamation.i [2023-11-23 21:19:00,248 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:00,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:00,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:00,301 INFO L357 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, mHoare=true, 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;@79795d99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:00,302 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:19:00,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 21:19:00,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:00,315 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:00,315 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:00,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:00,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1279774098, now seen corresponding path program 1 times [2023-11-23 21:19:00,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:00,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835787642] [2023-11-23 21:19:00,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:00,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:00,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:19:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:00,471 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:19:00,473 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:19:00,475 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:19:00,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:19:00,482 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:19:00,486 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:19:00,501 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret93 could not be translated [2023-11-23 21:19:00,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret94 could not be translated [2023-11-23 21:19:00,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:19:00 BoogieIcfgContainer [2023-11-23 21:19:00,511 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:19:00,512 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:19:00,512 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:19:00,512 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:19:00,513 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:00" (3/4) ... [2023-11-23 21:19:00,515 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:19:00,516 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:19:00,517 INFO L158 Benchmark]: Toolchain (without parser) took 2227.51ms. Allocated memory was 165.7MB in the beginning and 260.0MB in the end (delta: 94.4MB). Free memory was 116.0MB in the beginning and 197.7MB in the end (delta: -81.7MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-23 21:19:00,518 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 165.7MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:00,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1373.20ms. Allocated memory is still 165.7MB. Free memory was 115.7MB in the beginning and 130.8MB in the end (delta: -15.1MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2023-11-23 21:19:00,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.12ms. Allocated memory was 165.7MB in the beginning and 260.0MB in the end (delta: 94.4MB). Free memory was 130.7MB in the beginning and 227.0MB in the end (delta: -96.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-23 21:19:00,520 INFO L158 Benchmark]: Boogie Preprocessor took 28.89ms. Allocated memory is still 260.0MB. Free memory was 227.0MB in the beginning and 226.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:00,521 INFO L158 Benchmark]: RCFGBuilder took 418.49ms. Allocated memory is still 260.0MB. Free memory was 226.0MB in the beginning and 213.4MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:19:00,521 INFO L158 Benchmark]: TraceAbstraction took 300.94ms. Allocated memory is still 260.0MB. Free memory was 212.4MB in the beginning and 197.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:19:00,522 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 260.0MB. Free memory is still 197.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:00,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 165.7MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1373.20ms. Allocated memory is still 165.7MB. Free memory was 115.7MB in the beginning and 130.8MB in the end (delta: -15.1MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.12ms. Allocated memory was 165.7MB in the beginning and 260.0MB in the end (delta: 94.4MB). Free memory was 130.7MB in the beginning and 227.0MB in the end (delta: -96.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.89ms. Allocated memory is still 260.0MB. Free memory was 227.0MB in the beginning and 226.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 418.49ms. Allocated memory is still 260.0MB. Free memory was 226.0MB in the beginning and 213.4MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 300.94ms. Allocated memory is still 260.0MB. Free memory was 212.4MB in the beginning and 197.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 260.0MB. Free memory is still 197.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret94 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 858]: 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 858, overapproximation of someBinaryArithmeticFLOAToperation at line 857. Possible FailurePath: [L852] float x1 = __VERIFIER_nondet_float(); [L853] float x2 = x1 + 1e-5f; [L854] EXPR !__builtin_isnan (x1) && !__builtin_isinf_sign (x1) [L854] EXPR !__builtin_isnan (x1) && !__builtin_isinf_sign (x1) [L854] COND FALSE !(!(!__builtin_isnan (x1) && !__builtin_isinf_sign (x1))) [L855] CALL, EXPR gelu(x1) VAL [\old(x)=119] [L847] float cdf = 0.5f * erff(x / 1.41421356237309504880168872420969807856967187537694807317667973799f) + 0.5f; [L848] return x * cdf; [L855] RET, EXPR gelu(x1) VAL [x1=119] [L855] float y1 = gelu(x1); [L856] CALL, EXPR gelu(x2) VAL [\old(x)=117] [L847] float cdf = 0.5f * erff(x / 1.41421356237309504880168872420969807856967187537694807317667973799f) + 0.5f; [L848] return x * cdf; [L856] RET, EXPR gelu(x2) VAL [x1=119, x2=117, y1=116] [L856] float y2 = gelu(x2); [L857] float derivative = (y2 - y1) / 1e-5f; VAL [x1=119, x2=117, y1=116, y2=118] [L858] COND TRUE !(__builtin_islessequal(derivative, 1.0f)) VAL [x1=119, x2=117, y1=116, y2=118] [L858] reach_error() VAL [x1=119, x2=117, y1=116, y2=118] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 2, 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=12occurred 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, 11 NumberOfCodeBlocks, 11 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 [2023-11-23 21:19:00,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/gelu_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire --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 a9322a0e511158b4fc9b85bcfb9d13e0eea7229ac90330d0a87d0651f96ab9c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:03,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:03,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:19:03,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:03,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:03,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:03,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:03,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:03,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:03,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:03,720 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:03,721 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:03,721 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:03,723 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:03,723 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:03,724 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:03,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:03,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:03,726 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:03,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:03,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:03,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:03,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:03,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:03,729 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:19:03,729 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:19:03,730 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:19:03,730 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:03,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:03,731 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:03,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:03,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:19:03,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:03,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:03,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:03,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:03,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:03,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:03,735 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:19:03,736 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:03,736 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:03,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:03,737 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:03,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:03,737 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9322a0e511158b4fc9b85bcfb9d13e0eea7229ac90330d0a87d0651f96ab9c0 [2023-11-23 21:19:04,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:04,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:04,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:04,161 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:04,161 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:04,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/neural-networks/gelu_4_unsafe.c-amalgamation.i [2023-11-23 21:19:07,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:07,688 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:07,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/sv-benchmarks/c/neural-networks/gelu_4_unsafe.c-amalgamation.i [2023-11-23 21:19:07,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/data/b8a3e2e6c/632b53cebdb64be19593278ba223b717/FLAGad5477905 [2023-11-23 21:19:07,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/data/b8a3e2e6c/632b53cebdb64be19593278ba223b717 [2023-11-23 21:19:07,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:07,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:07,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:07,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:07,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:07,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:07,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6bd1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07, skipping insertion in model container [2023-11-23 21:19:07,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:07,820 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:08,113 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:19:08,566 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-23 21:19:08,566 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-23 21:19:08,568 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-23 21:19:08,569 WARN L240 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_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/sv-benchmarks/c/neural-networks/gelu_4_unsafe.c-amalgamation.i[63271,63284] [2023-11-23 21:19:08,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:08,595 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:08,616 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:19:08,653 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-23 21:19:08,654 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-23 21:19:08,655 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-23 21:19:08,656 WARN L240 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_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/sv-benchmarks/c/neural-networks/gelu_4_unsafe.c-amalgamation.i[63271,63284] [2023-11-23 21:19:08,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:08,799 WARN L675 CHandler]: The function __builtin_isnan is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:19:08,800 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:19:08,800 WARN L675 CHandler]: The function __builtin_isinf_sign is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:19:08,807 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:08,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08 WrapperNode [2023-11-23 21:19:08,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:08,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:08,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:08,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:08,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (1/1) ... [2023-11-23 21:19:08,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (1/1) ... [2023-11-23 21:19:08,878 INFO L138 Inliner]: procedures = 562, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2023-11-23 21:19:08,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:08,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:08,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:08,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:08,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (1/1) ... [2023-11-23 21:19:08,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (1/1) ... [2023-11-23 21:19:08,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (1/1) ... [2023-11-23 21:19:08,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (1/1) ... [2023-11-23 21:19:08,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (1/1) ... [2023-11-23 21:19:08,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (1/1) ... [2023-11-23 21:19:08,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (1/1) ... [2023-11-23 21:19:08,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (1/1) ... [2023-11-23 21:19:08,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:08,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:08,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:08,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:08,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (1/1) ... [2023-11-23 21:19:08,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:08,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:08,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:08,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isinf_sign [2023-11-23 21:19:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:19:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure gelu [2023-11-23 21:19:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure gelu [2023-11-23 21:19:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isnan [2023-11-23 21:19:09,147 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:09,151 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:11,034 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:11,066 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:11,066 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:19:11,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:11 BoogieIcfgContainer [2023-11-23 21:19:11,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:11,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:11,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:11,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:11,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:07" (1/3) ... [2023-11-23 21:19:11,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6168c3dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:11, skipping insertion in model container [2023-11-23 21:19:11,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:08" (2/3) ... [2023-11-23 21:19:11,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6168c3dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:11, skipping insertion in model container [2023-11-23 21:19:11,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:11" (3/3) ... [2023-11-23 21:19:11,077 INFO L112 eAbstractionObserver]: Analyzing ICFG gelu_4_unsafe.c-amalgamation.i [2023-11-23 21:19:11,097 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:11,097 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:11,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:11,169 INFO L357 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, mHoare=true, 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;@32e2e735, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:11,170 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:19:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 21:19:11,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:11,187 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:11,187 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:11,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:11,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1433153613, now seen corresponding path program 1 times [2023-11-23 21:19:11,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:11,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1266896120] [2023-11-23 21:19:11,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:11,211 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 [2023-11-23 21:19:11,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:11,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:11,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:11,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:19:11,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:11,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:19:11,748 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:11,749 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:11,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1266896120] [2023-11-23 21:19:11,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1266896120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:11,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:11,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:11,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933950657] [2023-11-23 21:19:11,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:11,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:19:11,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:11,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:19:11,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:19:11,803 INFO L87 Difference]: Start difference. First operand has 14 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:19:13,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:13,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:13,358 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2023-11-23 21:19:13,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:19:13,361 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2023-11-23 21:19:13,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:13,366 INFO L225 Difference]: With dead ends: 25 [2023-11-23 21:19:13,366 INFO L226 Difference]: Without dead ends: 12 [2023-11-23 21:19:13,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:19:13,372 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:13,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 21:19:13,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-23 21:19:13,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-23 21:19:13,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:19:13,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2023-11-23 21:19:13,403 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 13 [2023-11-23 21:19:13,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:13,404 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2023-11-23 21:19:13,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:19:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-23 21:19:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 21:19:13,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:13,406 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:13,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:13,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:13,618 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:13,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:13,619 INFO L85 PathProgramCache]: Analyzing trace with hash -732089035, now seen corresponding path program 1 times [2023-11-23 21:19:13,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:13,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528285115] [2023-11-23 21:19:13,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:13,620 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 [2023-11-23 21:19:13,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:13,622 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:13,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:14,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:19:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:15,134 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-23 21:19:15,135 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:19:15,136 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:19:15,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:15,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:15,343 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:19:15,347 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:19:15,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret90 could not be translated [2023-11-23 21:19:15,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret91 could not be translated [2023-11-23 21:19:15,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated [2023-11-23 21:19:15,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret93 could not be translated [2023-11-23 21:19:15,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret94 could not be translated [2023-11-23 21:19:15,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:19:15 BoogieIcfgContainer [2023-11-23 21:19:15,396 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:19:15,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:19:15,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:19:15,397 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:19:15,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:11" (3/4) ... [2023-11-23 21:19:15,400 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:19:15,401 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:19:15,403 INFO L158 Benchmark]: Toolchain (without parser) took 7660.15ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 53.0MB in the beginning and 55.3MB in the end (delta: -2.4MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-23 21:19:15,403 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 79.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:15,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1063.17ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.8MB in the beginning and 46.8MB in the end (delta: 6.0MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-11-23 21:19:15,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.71ms. Allocated memory is still 96.5MB. Free memory was 46.8MB in the beginning and 69.4MB in the end (delta: -22.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-23 21:19:15,405 INFO L158 Benchmark]: Boogie Preprocessor took 29.50ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:15,406 INFO L158 Benchmark]: RCFGBuilder took 2157.73ms. Allocated memory is still 96.5MB. Free memory was 67.9MB in the beginning and 55.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:19:15,406 INFO L158 Benchmark]: TraceAbstraction took 4326.57ms. Allocated memory is still 96.5MB. Free memory was 55.4MB in the beginning and 56.0MB in the end (delta: -670.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:15,407 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 96.5MB. Free memory was 56.0MB in the beginning and 55.3MB in the end (delta: 674.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:19:15,413 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 79.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1063.17ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.8MB in the beginning and 46.8MB in the end (delta: 6.0MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.71ms. Allocated memory is still 96.5MB. Free memory was 46.8MB in the beginning and 69.4MB in the end (delta: -22.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.50ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2157.73ms. Allocated memory is still 96.5MB. Free memory was 67.9MB in the beginning and 55.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4326.57ms. Allocated memory is still 96.5MB. Free memory was 55.4MB in the beginning and 56.0MB in the end (delta: -670.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 96.5MB. Free memory was 56.0MB in the beginning and 55.3MB in the end (delta: 674.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret94 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 858]: 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. Possible FailurePath: [L852] float x1 = __VERIFIER_nondet_float(); [L853] float x2 = x1 + 1e-5f; [L854] EXPR !__builtin_isnan (x1) && !__builtin_isinf_sign (x1) [L854] EXPR !__builtin_isnan (x1) && !__builtin_isinf_sign (x1) VAL [x1=-0.00029835160239599645, x2=-0.0002883516135625541] [L854] COND FALSE !(!(!__builtin_isnan (x1) && !__builtin_isinf_sign (x1))) [L855] CALL, EXPR gelu(x1) VAL [\old(x)=-0.00029835160239599645] [L847] float cdf = 0.5f * erff(x / 1.41421356237309504880168872420969807856967187537694807317667973799f) + 0.5f; [L848] return x * cdf; [L855] RET, EXPR gelu(x1) VAL [x1=-0.00029835160239599645, x2=-0.0002883516135625541] [L855] float y1 = gelu(x1); [L856] CALL, EXPR gelu(x2) VAL [\old(x)=-0.0002883516135625541] [L847] float cdf = 0.5f * erff(x / 1.41421356237309504880168872420969807856967187537694807317667973799f) + 0.5f; [L848] return x * cdf; [L856] RET, EXPR gelu(x2) VAL [x1=-0.00029835160239599645, x2=-0.0002883516135625541, y1=-0.00000011920928955078125] [L856] float y2 = gelu(x2); [L857] float derivative = (y2 - y1) / 1e-5f; VAL [derivative=100000.0, x1=-0.00029835160239599645, x2=-0.0002883516135625541, y1=-0.00000011920928955078125, y2=0.9999998807907104] [L858] COND TRUE !(__builtin_islessequal(derivative, 1.0f)) VAL [derivative=100000.0, x1=-0.00029835160239599645, x2=-0.0002883516135625541, y1=-0.00000011920928955078125, y2=0.9999998807907104] [L858] reach_error() VAL [derivative=100000.0, x1=-0.00029835160239599645, x2=-0.0002883516135625541, y1=-0.00000011920928955078125, y2=0.9999998807907104] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 [2023-11-23 21:19:15,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbbfb5-8d85-4b3c-b989-d15ec68760f3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample