./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/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 fa28085ca1fc110cc36a55190244561a7280bf6fc1fa9777d5c8afeea58f09ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:03,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:03,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:31:03,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:03,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:03,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:03,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:03,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:03,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:03,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:03,261 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:03,262 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:03,262 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:03,264 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:03,265 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:03,265 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:03,266 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:03,266 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:03,267 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:03,267 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:03,268 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:03,269 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:03,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:03,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:03,271 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:31:03,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:03,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:31:03,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:03,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:03,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:03,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:03,276 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:31:03,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:03,277 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:03,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:03,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:03,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:03,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:03,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:03,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:03,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:03,279 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:03,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:03,280 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:03,281 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:03,281 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:03,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:03,282 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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa28085ca1fc110cc36a55190244561a7280bf6fc1fa9777d5c8afeea58f09ab [2023-11-23 20:31:03,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:03,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:03,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:03,620 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:03,620 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:03,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i [2023-11-23 20:31:06,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:07,575 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:07,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i [2023-11-23 20:31:07,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/data/76af074d5/390ed1460af24f61b9fad91aeae28eaa/FLAG3d76f536b [2023-11-23 20:31:07,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/data/76af074d5/390ed1460af24f61b9fad91aeae28eaa [2023-11-23 20:31:07,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:07,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:07,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:07,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:07,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:07,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:07" (1/1) ... [2023-11-23 20:31:07,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b2fca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:07, skipping insertion in model container [2023-11-23 20:31:07,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:07" (1/1) ... [2023-11-23 20:31:07,831 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:08,169 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:31:09,543 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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i[73344,73357] [2023-11-23 20:31:10,758 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2490) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoops(CHandler.java:3563) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:225) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:31:10,774 INFO L158 Benchmark]: Toolchain (without parser) took 3104.82ms. Allocated memory was 165.7MB in the beginning and 237.0MB in the end (delta: 71.3MB). Free memory was 126.3MB in the beginning and 157.4MB in the end (delta: -31.1MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2023-11-23 20:31:10,775 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:10,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3097.46ms. Allocated memory was 165.7MB in the beginning and 237.0MB in the end (delta: 71.3MB). Free memory was 126.1MB in the beginning and 157.4MB in the end (delta: -31.3MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2023-11-23 20:31:10,778 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3097.46ms. Allocated memory was 165.7MB in the beginning and 237.0MB in the end (delta: 71.3MB). Free memory was 126.1MB in the beginning and 157.4MB in the end (delta: -31.3MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) 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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/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 fa28085ca1fc110cc36a55190244561a7280bf6fc1fa9777d5c8afeea58f09ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:13,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:13,763 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:31:13,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:13,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:13,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:13,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:13,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:13,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:13,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:13,833 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:13,834 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:13,834 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:13,836 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:13,837 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:13,837 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:13,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:13,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:13,839 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:31:13,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:31:13,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:13,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:13,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:13,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:13,843 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:31:13,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:31:13,844 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:31:13,845 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:31:13,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:13,845 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:13,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:13,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:31:13,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:13,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:13,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:13,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:13,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:13,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:13,850 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:31:13,851 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:31:13,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:13,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:13,852 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:13,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:13,853 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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa28085ca1fc110cc36a55190244561a7280bf6fc1fa9777d5c8afeea58f09ab [2023-11-23 20:31:14,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:14,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:14,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:14,343 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:14,344 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:14,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i [2023-11-23 20:31:17,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:18,355 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:18,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i [2023-11-23 20:31:18,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/data/8c378db41/8e413cb338ef40e5a7f989a74c57dc92/FLAG30d0d29d1 [2023-11-23 20:31:18,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/data/8c378db41/8e413cb338ef40e5a7f989a74c57dc92 [2023-11-23 20:31:18,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:18,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:18,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:18,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:18,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:18,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:18,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4604ef6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18, skipping insertion in model container [2023-11-23 20:31:18,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:18,644 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:19,078 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:31:20,022 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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i[73344,73357] [2023-11-23 20:31:21,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:21,096 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:31:21,139 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:21,150 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:31:21,206 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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i[73344,73357] [2023-11-23 20:31:21,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:21,767 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:21,790 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:31:21,868 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_47d99372-d87e-418e-86d9-a0c8a30dc8c7/sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i[73344,73357] [2023-11-23 20:31:22,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:22,825 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:22,825 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:22,825 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:22,825 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:22,826 WARN L675 CHandler]: The function recurrent_activation is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:22,826 WARN L675 CHandler]: The function output_activation is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:22,835 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:22,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22 WrapperNode [2023-11-23 20:31:22,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:22,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:22,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:22,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:22,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (1/1) ... [2023-11-23 20:31:23,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (1/1) ... [2023-11-23 20:31:23,358 INFO L138 Inliner]: procedures = 781, calls = 8820, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 2633 [2023-11-23 20:31:23,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:23,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:23,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:23,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:23,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (1/1) ... [2023-11-23 20:31:23,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (1/1) ... [2023-11-23 20:31:23,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (1/1) ... [2023-11-23 20:31:23,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (1/1) ... [2023-11-23 20:31:23,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (1/1) ... [2023-11-23 20:31:23,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (1/1) ... [2023-11-23 20:31:23,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (1/1) ... [2023-11-23 20:31:23,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (1/1) ... [2023-11-23 20:31:23,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:23,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:23,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:23,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:23,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (1/1) ... [2023-11-23 20:31:23,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:23,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:23,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:23,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 20:31:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2023-11-23 20:31:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2023-11-23 20:31:23,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-11-23 20:31:23,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:31:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:31:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:31:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:31:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:31:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2023-11-23 20:31:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2023-11-23 20:31:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-11-23 20:31:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-11-23 20:31:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:31:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:31:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:31:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 20:31:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2023-11-23 20:31:23,728 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2023-11-23 20:31:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:31:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 20:31:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:31:24,078 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:24,081 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:44,802 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:45,086 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:45,087 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-23 20:31:45,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:45 BoogieIcfgContainer [2023-11-23 20:31:45,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:45,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:45,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:45,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:45,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:18" (1/3) ... [2023-11-23 20:31:45,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fa5cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:45, skipping insertion in model container [2023-11-23 20:31:45,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:22" (2/3) ... [2023-11-23 20:31:45,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fa5cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:45, skipping insertion in model container [2023-11-23 20:31:45,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:45" (3/3) ... [2023-11-23 20:31:45,103 INFO L112 eAbstractionObserver]: Analyzing ICFG tanh_w32_r2_case_0_safe.c-amalgamation.i [2023-11-23 20:31:45,129 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:45,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:31:45,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:31:45,222 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;@1a8a71cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:31:45,223 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:31:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 125 states have (on average 1.712) internal successors, (214), 126 states have internal predecessors, (214), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 20:31:45,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:31:45,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:45,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:45,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:45,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:45,258 INFO L85 PathProgramCache]: Analyzing trace with hash -962277177, now seen corresponding path program 1 times [2023-11-23 20:31:45,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:31:45,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276106000] [2023-11-23 20:31:45,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:45,324 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 20:31:45,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:31:45,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/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 20:31:45,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d99372-d87e-418e-86d9-a0c8a30dc8c7/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