./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_w16_r4_case_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w16_r4_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ef18cb99015e3862bc412bba0236f0b81e1a322b85b5352db3e49d7e6440079 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 21:27:32,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:27:32,978 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-24 21:27:32,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:27:32,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:27:33,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:27:33,015 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:27:33,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:27:33,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:27:33,018 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:27:33,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:27:33,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:27:33,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:27:33,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:27:33,022 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:27:33,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:27:33,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 21:27:33,024 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 21:27:33,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:27:33,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 21:27:33,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:27:33,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 21:27:33,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:27:33,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 21:27:33,028 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 21:27:33,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 21:27:33,030 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:27:33,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:27:33,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:27:33,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:27:33,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:27:33,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:27:33,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:27:33,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:27:33,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 21:27:33,035 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 21:27:33,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 21:27:33,036 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:27:33,036 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:27:33,036 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 21:27:33,037 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:27:33,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:27:33,038 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef18cb99015e3862bc412bba0236f0b81e1a322b85b5352db3e49d7e6440079 [2023-11-24 21:27:33,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:27:33,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:27:33,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:27:33,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:27:33,370 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:27:33,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/neural-networks/tanh_w16_r4_case_1_safe.c-amalgamation.i [2023-11-24 21:27:36,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:27:37,417 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:27:37,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/sv-benchmarks/c/neural-networks/tanh_w16_r4_case_1_safe.c-amalgamation.i [2023-11-24 21:27:37,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/data/883a6d453/3308cc285d8e4b13b0e07b3d8f795740/FLAGf8fdcfb10 [2023-11-24 21:27:37,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/data/883a6d453/3308cc285d8e4b13b0e07b3d8f795740 [2023-11-24 21:27:37,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:27:37,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:27:37,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:27:37,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:27:37,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:27:37,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:27:37" (1/1) ... [2023-11-24 21:27:37,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730cbd7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:37, skipping insertion in model container [2023-11-24 21:27:37,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:27:37" (1/1) ... [2023-11-24 21:27:37,650 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:27:39,157 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_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/sv-benchmarks/c/neural-networks/tanh_w16_r4_case_1_safe.c-amalgamation.i[72204,72217] [2023-11-24 21:27:39,680 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:2220) 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:2499) 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:3572) 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:386) 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:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) 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) [2023-11-24 21:27:39,693 INFO L158 Benchmark]: Toolchain (without parser) took 2186.74ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 92.0MB in the beginning and 131.7MB in the end (delta: -39.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 21:27:39,694 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 21:27:39,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2181.42ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 92.0MB in the beginning and 131.7MB in the end (delta: -39.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 21:27:39,697 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 102.8MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2181.42ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 92.0MB in the beginning and 131.7MB in the end (delta: -39.7MB). Peak memory consumption was 41.9MB. 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_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w16_r4_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ef18cb99015e3862bc412bba0236f0b81e1a322b85b5352db3e49d7e6440079 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 21:27:42,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:27:42,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-24 21:27:42,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:27:42,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:27:42,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:27:42,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:27:42,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:27:42,704 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:27:42,709 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:27:42,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:27:42,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:27:42,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:27:42,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:27:42,714 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:27:42,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:27:42,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 21:27:42,716 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 21:27:42,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 21:27:42,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:27:42,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 21:27:42,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:27:42,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 21:27:42,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 21:27:42,720 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 21:27:42,721 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 21:27:42,722 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 21:27:42,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 21:27:42,723 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:27:42,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:27:42,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:27:42,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:27:42,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:27:42,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:27:42,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:27:42,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:27:42,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 21:27:42,729 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-24 21:27:42,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 21:27:42,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:27:42,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:27:42,730 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 21:27:42,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:27:42,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:27:42,732 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-24 21:27:42,732 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef18cb99015e3862bc412bba0236f0b81e1a322b85b5352db3e49d7e6440079 [2023-11-24 21:27:43,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:27:43,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:27:43,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:27:43,258 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:27:43,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:27:43,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/neural-networks/tanh_w16_r4_case_1_safe.c-amalgamation.i [2023-11-24 21:27:46,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:27:47,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:27:47,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/sv-benchmarks/c/neural-networks/tanh_w16_r4_case_1_safe.c-amalgamation.i [2023-11-24 21:27:47,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/data/9a5fd0ffe/79aa262ed64e4587b3c2536e9048be59/FLAG56555eba3 [2023-11-24 21:27:47,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/data/9a5fd0ffe/79aa262ed64e4587b3c2536e9048be59 [2023-11-24 21:27:47,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:27:47,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:27:47,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:27:47,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:27:47,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:27:47,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:27:47" (1/1) ... [2023-11-24 21:27:47,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e7551d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:47, skipping insertion in model container [2023-11-24 21:27:47,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:27:47" (1/1) ... [2023-11-24 21:27:47,394 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:27:49,111 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_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/sv-benchmarks/c/neural-networks/tanh_w16_r4_case_1_safe.c-amalgamation.i[72204,72217] [2023-11-24 21:27:49,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:27:49,801 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 21:27:49,862 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:27:49,897 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_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/sv-benchmarks/c/neural-networks/tanh_w16_r4_case_1_safe.c-amalgamation.i[72204,72217] [2023-11-24 21:27:50,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:27:50,140 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 21:27:50,198 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_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/sv-benchmarks/c/neural-networks/tanh_w16_r4_case_1_safe.c-amalgamation.i[72204,72217] [2023-11-24 21:27:50,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:27:50,697 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:27:50,697 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:27:50,697 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:27:50,698 WARN L675 CHandler]: The function recurrent_activation is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:27:50,698 WARN L675 CHandler]: The function output_activation is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:27:50,706 INFO L206 MainTranslator]: Completed translation [2023-11-24 21:27:50,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50 WrapperNode [2023-11-24 21:27:50,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:27:50,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 21:27:50,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 21:27:50,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 21:27:50,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:50,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:51,038 INFO L138 Inliner]: procedures = 780, calls = 2643, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 961 [2023-11-24 21:27:51,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 21:27:51,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 21:27:51,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 21:27:51,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 21:27:51,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:51,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:51,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:51,157 INFO L175 MemorySlicer]: Split 660 memory accesses to 13 slices as follows [2, 3, 7, 2, 10, 11, 513, 6, 11, 35, 39, 12, 9]. 78 percent of accesses are in the largest equivalence class. The 563 initializations are split as follows [2, 0, 7, 2, 8, 8, 512, 0, 8, 0, 0, 8, 8]. The 45 writes are split as follows [0, 1, 0, 0, 0, 0, 0, 5, 0, 18, 21, 0, 0]. [2023-11-24 21:27:51,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:51,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:51,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:51,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:51,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:51,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:51,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 21:27:51,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 21:27:51,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 21:27:51,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 21:27:51,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (1/1) ... [2023-11-24 21:27:51,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:27:51,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 21:27:51,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-24 21:27:51,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-24 21:27:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-24 21:27:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-24 21:27:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-24 21:27:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-24 21:27:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-24 21:27:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-24 21:27:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-24 21:27:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-11-24 21:27:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2023-11-24 21:27:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2023-11-24 21:27:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2023-11-24 21:27:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2023-11-24 21:27:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2023-11-24 21:27:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2023-11-24 21:27:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2023-11-24 21:27:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2023-11-24 21:27:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2023-11-24 21:27:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2023-11-24 21:27:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2023-11-24 21:27:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2023-11-24 21:27:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2023-11-24 21:27:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2023-11-24 21:27:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2023-11-24 21:27:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2023-11-24 21:27:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2023-11-24 21:27:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2023-11-24 21:27:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2023-11-24 21:27:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2023-11-24 21:27:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 21:27:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-24 21:27:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-24 21:27:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-24 21:27:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-24 21:27:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-24 21:27:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-24 21:27:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-24 21:27:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-24 21:27:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-24 21:27:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-24 21:27:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-24 21:27:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-24 21:27:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-24 21:27:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 21:27:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 21:27:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-24 21:27:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-24 21:27:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-24 21:27:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-24 21:27:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-24 21:27:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-24 21:27:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-24 21:27:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-24 21:27:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-24 21:27:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-24 21:27:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-24 21:27:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-24 21:27:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-24 21:27:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-24 21:27:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-24 21:27:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-24 21:27:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-24 21:27:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-24 21:27:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-24 21:27:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-24 21:27:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-24 21:27:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-24 21:27:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-24 21:27:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-24 21:27:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-24 21:27:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-24 21:27:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 21:27:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-24 21:27:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-24 21:27:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-24 21:27:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-24 21:27:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-24 21:27:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-24 21:27:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-24 21:27:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-24 21:27:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-24 21:27:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-24 21:27:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-24 21:27:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-24 21:27:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-24 21:27:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2023-11-24 21:27:51,483 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2023-11-24 21:27:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-11-24 21:27:51,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-11-24 21:27:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 21:27:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-24 21:27:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-24 21:27:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-24 21:27:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-24 21:27:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-24 21:27:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-24 21:27:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-24 21:27:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-24 21:27:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-24 21:27:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-24 21:27:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-24 21:27:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-24 21:27:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-11-24 21:27:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-24 21:27:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-24 21:27:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-24 21:27:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-24 21:27:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-24 21:27:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-24 21:27:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-24 21:27:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-11-24 21:27:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-11-24 21:27:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-11-24 21:27:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-11-24 21:27:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-11-24 21:27:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-11-24 21:27:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-24 21:27:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-24 21:27:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-24 21:27:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-24 21:27:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-24 21:27:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-24 21:27:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-11-24 21:27:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2023-11-24 21:27:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2023-11-24 21:27:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2023-11-24 21:27:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2023-11-24 21:27:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2023-11-24 21:27:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2023-11-24 21:27:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2023-11-24 21:27:51,493 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2023-11-24 21:27:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-24 21:27:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-24 21:27:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-24 21:27:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-24 21:27:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-24 21:27:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-24 21:27:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-24 21:27:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-24 21:27:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-24 21:27:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-24 21:27:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-24 21:27:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-24 21:27:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-11-24 21:27:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-24 21:27:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-24 21:27:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-24 21:27:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-24 21:27:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-24 21:27:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-24 21:27:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-24 21:27:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-11-24 21:27:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2023-11-24 21:27:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2023-11-24 21:27:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2023-11-24 21:27:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2023-11-24 21:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2023-11-24 21:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-24 21:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-24 21:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-24 21:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-24 21:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-24 21:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-24 21:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-24 21:27:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-24 21:27:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-24 21:27:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-24 21:27:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-24 21:27:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-24 21:27:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-24 21:27:51,960 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 21:27:51,963 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 21:28:07,275 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 21:28:07,466 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 21:28:07,467 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-24 21:28:07,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:28:07 BoogieIcfgContainer [2023-11-24 21:28:07,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 21:28:07,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 21:28:07,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 21:28:07,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 21:28:07,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 09:27:47" (1/3) ... [2023-11-24 21:28:07,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78eacdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:28:07, skipping insertion in model container [2023-11-24 21:28:07,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:27:50" (2/3) ... [2023-11-24 21:28:07,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78eacdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:28:07, skipping insertion in model container [2023-11-24 21:28:07,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:28:07" (3/3) ... [2023-11-24 21:28:07,478 INFO L112 eAbstractionObserver]: Analyzing ICFG tanh_w16_r4_case_1_safe.c-amalgamation.i [2023-11-24 21:28:07,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 21:28:07,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 21:28:07,570 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 21:28:07,577 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=PETRI_NET, 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;@c45e086, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 21:28:07,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 21:28:07,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 101 states have (on average 1.7227722772277227) internal successors, (174), 102 states have internal predecessors, (174), 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) [2023-11-24 21:28:07,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 21:28:07,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:28:07,593 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] [2023-11-24 21:28:07,594 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:28:07,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:28:07,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1996385915, now seen corresponding path program 1 times [2023-11-24 21:28:07,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:28:07,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852590023] [2023-11-24 21:28:07,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:28:07,627 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 [2023-11-24 21:28:07,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:28:07,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/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) [2023-11-24 21:28:07,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 21:28:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:28:12,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 3316 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 21:28:12,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:28:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:28:12,969 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:28:12,970 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 21:28:12,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852590023] [2023-11-24 21:28:12,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852590023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:28:12,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:28:12,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 21:28:12,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071519474] [2023-11-24 21:28:12,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:28:12,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 21:28:12,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 21:28:13,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 21:28:13,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 21:28:13,023 INFO L87 Difference]: Start difference. First operand has 115 states, 101 states have (on average 1.7227722772277227) internal successors, (174), 102 states have internal predecessors, (174), 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) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 21:28:17,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 21:28:19,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 21:28:22,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 21:28:23,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 21:28:24,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:28:24,949 INFO L93 Difference]: Finished difference Result 227 states and 377 transitions. [2023-11-24 21:28:24,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 21:28:24,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2023-11-24 21:28:24,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:28:24,971 INFO L225 Difference]: With dead ends: 227 [2023-11-24 21:28:24,971 INFO L226 Difference]: Without dead ends: 113 [2023-11-24 21:28:24,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 21:28:24,981 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-11-24 21:28:24,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2023-11-24 21:28:25,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-24 21:28:25,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-11-24 21:28:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 100 states have (on average 1.44) internal successors, (144), 100 states have internal predecessors, (144), 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) [2023-11-24 21:28:25,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 158 transitions. [2023-11-24 21:28:25,072 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 158 transitions. Word has length 33 [2023-11-24 21:28:25,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:28:25,072 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 158 transitions. [2023-11-24 21:28:25,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 21:28:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 158 transitions. [2023-11-24 21:28:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 21:28:25,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:28:25,076 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] [2023-11-24 21:28:25,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 21:28:25,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/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 [2023-11-24 21:28:25,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:28:25,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:28:25,301 INFO L85 PathProgramCache]: Analyzing trace with hash -700689482, now seen corresponding path program 1 times [2023-11-24 21:28:25,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:28:25,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804379896] [2023-11-24 21:28:25,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:28:25,318 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 [2023-11-24 21:28:25,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:28:25,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/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) [2023-11-24 21:28:25,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53a2fff-84e7-4fc2-9f6e-153d158bbdfa/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process