./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_w8_r4_case_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/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_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w8_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/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_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/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 fa257f559e46c329c9d7f8d86ffc8da594509452f9eecb60810e0c33fed2bc55 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:50:14,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:50:14,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:50:14,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:50:14,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:50:14,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:50:14,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:50:14,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:50:14,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:50:14,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:50:14,970 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:50:14,970 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:50:14,971 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:50:14,972 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:50:14,972 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:50:14,973 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:50:14,973 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:50:14,974 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:50:14,974 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:50:14,975 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:50:14,975 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:50:14,976 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:50:14,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:50:14,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:50:14,978 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:50:14,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:50:14,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:50:14,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:50:14,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:50:14,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:50:14,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:50:14,980 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:50:14,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:50:14,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:50:14,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:50:14,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:50:14,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:50:14,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:50:14,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:50:14,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:50:14,984 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:50:14,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:50:14,985 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:50:14,986 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:50:14,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:50:14,986 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_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa257f559e46c329c9d7f8d86ffc8da594509452f9eecb60810e0c33fed2bc55 [2023-11-19 04:50:15,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:50:15,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:50:15,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:50:15,325 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:50:15,326 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:50:15,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/neural-networks/tanh_w8_r4_case_0_safe.c-amalgamation.i [2023-11-19 04:50:18,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:50:19,049 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:50:19,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/sv-benchmarks/c/neural-networks/tanh_w8_r4_case_0_safe.c-amalgamation.i [2023-11-19 04:50:19,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/data/cda52acb4/609e0f09619b4e499effcd759b6200b7/FLAG961de615a [2023-11-19 04:50:19,105 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/data/cda52acb4/609e0f09619b4e499effcd759b6200b7 [2023-11-19 04:50:19,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:50:19,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:50:19,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:19,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:50:19,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:50:19,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:19" (1/1) ... [2023-11-19 04:50:19,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582b4902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:19, skipping insertion in model container [2023-11-19 04:50:19,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:19" (1/1) ... [2023-11-19 04:50:19,244 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:50:19,495 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:50:20,592 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_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/sv-benchmarks/c/neural-networks/tanh_w8_r4_case_0_safe.c-amalgamation.i[71672,71685] [2023-11-19 04:50:20,945 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: expf [2023-11-19 04:50:20,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76aeb51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:20, skipping insertion in model container [2023-11-19 04:50:20,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:20,947 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:50:20,950 INFO L158 Benchmark]: Toolchain (without parser) took 1831.90ms. Allocated memory is still 146.8MB. Free memory was 103.5MB in the beginning and 74.8MB in the end (delta: 28.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 04:50:20,951 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 109.1MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:50:20,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1826.69ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 74.8MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 04:50:20,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 109.1MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1826.69ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 74.8MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1503]: Unsupported Syntax Unsupported function from math.h: expf 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/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_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w8_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/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_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/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 fa257f559e46c329c9d7f8d86ffc8da594509452f9eecb60810e0c33fed2bc55 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:50:23,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:50:23,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:50:23,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:50:23,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:50:23,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:50:23,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:50:23,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:50:23,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:50:23,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:50:23,651 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:50:23,651 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:50:23,652 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:50:23,653 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:50:23,654 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:50:23,654 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:50:23,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:50:23,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:50:23,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:50:23,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:50:23,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:50:23,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:50:23,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:50:23,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:50:23,660 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:50:23,661 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:50:23,662 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:50:23,662 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:50:23,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:50:23,664 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:50:23,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:50:23,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:50:23,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:50:23,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:50:23,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:50:23,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:50:23,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:50:23,669 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:50:23,669 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:50:23,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:50:23,670 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:50:23,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:50:23,672 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_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa257f559e46c329c9d7f8d86ffc8da594509452f9eecb60810e0c33fed2bc55 [2023-11-19 04:50:24,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:50:24,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:50:24,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:50:24,116 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:50:24,117 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:50:24,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/neural-networks/tanh_w8_r4_case_0_safe.c-amalgamation.i [2023-11-19 04:50:27,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:50:27,908 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:50:27,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/sv-benchmarks/c/neural-networks/tanh_w8_r4_case_0_safe.c-amalgamation.i [2023-11-19 04:50:27,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/data/b14f14cd7/a1e4873d24c14527accd3af7b4ad0cbb/FLAG95ac91033 [2023-11-19 04:50:27,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/bin/utaipan-verify-t7M7D8N6sZ/data/b14f14cd7/a1e4873d24c14527accd3af7b4ad0cbb [2023-11-19 04:50:27,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:50:27,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:50:27,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:27,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:50:27,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:50:28,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:27" (1/1) ... [2023-11-19 04:50:28,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113a5df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:28, skipping insertion in model container [2023-11-19 04:50:28,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:27" (1/1) ... [2023-11-19 04:50:28,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:50:28,522 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:50:29,865 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_af7f5b4c-8bfe-4e59-9810-9d2104bb7bd0/sv-benchmarks/c/neural-networks/tanh_w8_r4_case_0_safe.c-amalgamation.i[71672,71685] [2023-11-19 04:50:30,230 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: expf [2023-11-19 04:50:30,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@293c651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:30, skipping insertion in model container [2023-11-19 04:50:30,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:30,232 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:50:30,234 INFO L158 Benchmark]: Toolchain (without parser) took 2248.06ms. Allocated memory is still 98.6MB. Free memory was 69.1MB in the beginning and 64.5MB in the end (delta: 4.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-19 04:50:30,235 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:50:30,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2241.46ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 64.5MB in the end (delta: 4.3MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-19 04:50:30,238 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2241.46ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 64.5MB in the end (delta: 4.3MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1503]: Unsupported Syntax Unsupported function from math.h: expf 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