./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ --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 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:57:56,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:57:56,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:57:56,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:57:56,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:57:56,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:57:56,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:57:56,283 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:57:56,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:57:56,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:57:56,285 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:57:56,285 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:57:56,286 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:57:56,286 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:57:56,287 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:57:56,287 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:57:56,288 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:57:56,288 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:57:56,289 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:57:56,289 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:57:56,290 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:57:56,291 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:57:56,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:57:56,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:57:56,292 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:57:56,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:57:56,293 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:57:56,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:57:56,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:57:56,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:57:56,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:57:56,295 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:57:56,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:57:56,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:57:56,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:57:56,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:57:56,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:56,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:57:56,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:57:56,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:57:56,319 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:57:56,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:57:56,319 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:57:56,320 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:57:56,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:57:56,320 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_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 [2023-11-19 04:57:56,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:57:56,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:57:56,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:57:56,657 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:57:56,657 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:57:56,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2023-11-19 04:57:59,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:00,228 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:00,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2023-11-19 04:58:00,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/data/90257587d/1dd67a2813be4a69bb9c88e7610828f2/FLAGa8d28b932 [2023-11-19 04:58:00,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/data/90257587d/1dd67a2813be4a69bb9c88e7610828f2 [2023-11-19 04:58:00,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:00,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:00,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:00,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:00,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:00,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:00" (1/1) ... [2023-11-19 04:58:00,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b796bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:00, skipping insertion in model container [2023-11-19 04:58:00,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:00" (1/1) ... [2023-11-19 04:58:00,369 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:00,657 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:58:01,520 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: logf [2023-11-19 04:58:01,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ed608f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:01, skipping insertion in model container [2023-11-19 04:58:01,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:01,522 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:58:01,524 INFO L158 Benchmark]: Toolchain (without parser) took 1251.34ms. Allocated memory is still 125.8MB. Free memory was 79.1MB in the beginning and 64.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:58:01,524 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 125.8MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:01,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1248.36ms. Allocated memory is still 125.8MB. Free memory was 78.8MB in the beginning and 64.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:58:01,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 125.8MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1248.36ms. Allocated memory is still 125.8MB. Free memory was 78.8MB in the beginning and 64.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 850]: Unsupported Syntax Unsupported function from math.h: logf RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ --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 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:04,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:04,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:58:04,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:04,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:04,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:04,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:04,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:04,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:04,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:04,340 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:04,340 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:04,341 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:04,345 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:04,347 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:04,347 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:04,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:04,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:04,349 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:04,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:04,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:04,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:04,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:04,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:04,353 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:58:04,353 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:58:04,354 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:58:04,354 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:04,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:04,355 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:04,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:04,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:58:04,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:04,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:04,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:04,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:04,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:04,359 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:58:04,359 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:04,360 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:04,360 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:04,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:04,361 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_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 [2023-11-19 04:58:04,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:04,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:04,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:04,785 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:04,785 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:04,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2023-11-19 04:58:07,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:08,320 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:08,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2023-11-19 04:58:08,361 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/data/656d2e865/e86ae097724a49be9f90a8b2a20019f5/FLAG6f71e1549 [2023-11-19 04:58:08,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2414da81-a81a-44e9-90ce-8cde154e6e45/bin/utaipan-verify-t7M7D8N6sZ/data/656d2e865/e86ae097724a49be9f90a8b2a20019f5 [2023-11-19 04:58:08,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:08,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:08,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:08,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:08,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:08,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:08" (1/1) ... [2023-11-19 04:58:08,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0421e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:08, skipping insertion in model container [2023-11-19 04:58:08,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:08" (1/1) ... [2023-11-19 04:58:08,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:08,745 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:58:09,198 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: logf [2023-11-19 04:58:09,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76a79042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:09, skipping insertion in model container [2023-11-19 04:58:09,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:09,199 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:58:09,201 INFO L158 Benchmark]: Toolchain (without parser) took 816.49ms. Allocated memory is still 71.3MB. Free memory was 44.6MB in the beginning and 46.7MB in the end (delta: -2.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:58:09,202 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory was 28.1MB in the beginning and 28.1MB in the end (delta: 14.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:09,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.66ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 46.7MB in the end (delta: -2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:58:09,205 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 52.4MB. Free memory was 28.1MB in the beginning and 28.1MB in the end (delta: 14.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.66ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 46.7MB in the end (delta: -2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 850]: Unsupported Syntax Unsupported function from math.h: logf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN