./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 a0165632 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_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/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_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje --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 0.2.5-dev-a016563 [2024-11-09 06:30:09,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:30:09,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:30:09,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:30:09,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:30:09,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:30:09,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:30:09,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:30:09,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:30:09,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:30:09,855 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:30:09,856 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:30:09,858 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:30:09,859 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:30:09,862 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:30:09,863 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:30:09,863 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:30:09,864 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:30:09,865 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:30:09,865 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:30:09,866 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:30:09,871 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:30:09,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:30:09,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:30:09,874 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:30:09,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:30:09,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:30:09,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:30:09,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:30:09,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:30:09,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:30:09,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:30:09,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:30:09,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:30:09,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:30:09,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:30:09,886 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:30:09,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:30:09,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:30:09,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:30:09,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:30:09,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:30:09,903 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:30:09,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:30:09,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:30:09,904 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:30:09,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:30:09,905 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_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa28085ca1fc110cc36a55190244561a7280bf6fc1fa9777d5c8afeea58f09ab [2024-11-09 06:30:10,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:30:10,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:30:10,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:30:10,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:30:10,546 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:30:10,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 06:30:13,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:30:14,532 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:30:14,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i [2024-11-09 06:30:14,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/data/44b6e5aec/a52f87e4c7184b5f867c32ff5f889fce/FLAG33a5cff50 [2024-11-09 06:30:15,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/data/44b6e5aec/a52f87e4c7184b5f867c32ff5f889fce [2024-11-09 06:30:15,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:30:15,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:30:15,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:30:15,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:30:15,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:30:15,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:30:15" (1/1) ... [2024-11-09 06:30:15,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f40274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:15, skipping insertion in model container [2024-11-09 06:30:15,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:30:15" (1/1) ... [2024-11-09 06:30:15,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:30:18,396 WARN L250 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_b556f9fc-4641-4602-ad6a-48e63df82ca2/sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i[73344,73357] [2024-11-09 06:30:19,981 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:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1625) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2578) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1520) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoopBody(CHandler.java:3634) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1577) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2522) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) 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) [2024-11-09 06:30:19,998 INFO L158 Benchmark]: Toolchain (without parser) took 4853.99ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 118.9MB in the beginning and 72.8MB in the end (delta: 46.1MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2024-11-09 06:30:20,000 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 129.0MB in the end (delta: 186.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:30:20,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4849.51ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 118.3MB in the beginning and 72.8MB in the end (delta: 45.5MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2024-11-09 06:30:20,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 129.0MB in the end (delta: 186.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4849.51ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 118.3MB in the beginning and 72.8MB in the end (delta: 45.5MB). Peak memory consumption was 100.3MB. 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:627) 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_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/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_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje --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 0.2.5-dev-a016563 [2024-11-09 06:30:23,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:30:23,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:30:23,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:30:23,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:30:23,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:30:23,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:30:23,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:30:23,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:30:23,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:30:23,438 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:30:23,439 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:30:23,439 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:30:23,440 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:30:23,441 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:30:23,441 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:30:23,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:30:23,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:30:23,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:30:23,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:30:23,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:30:23,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:30:23,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:30:23,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:30:23,450 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:30:23,451 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:30:23,451 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:30:23,452 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:30:23,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:30:23,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:30:23,453 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:30:23,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:30:23,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:30:23,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:30:23,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:30:23,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:30:23,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:30:23,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:30:23,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:30:23,457 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:30:23,458 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:30:23,459 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:30:23,460 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:30:23,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa28085ca1fc110cc36a55190244561a7280bf6fc1fa9777d5c8afeea58f09ab [2024-11-09 06:30:24,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:30:24,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:30:24,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:30:24,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:30:24,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:30:24,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 06:30:26,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:30:27,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:30:27,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i [2024-11-09 06:30:27,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/data/daeb689c3/b6763c57d3964348b8efa25743d732ce/FLAG6083c9ce1 [2024-11-09 06:30:27,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/data/daeb689c3/b6763c57d3964348b8efa25743d732ce [2024-11-09 06:30:27,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:30:27,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:30:27,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:30:27,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:30:27,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:30:27,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:30:27" (1/1) ... [2024-11-09 06:30:27,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc93c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:27, skipping insertion in model container [2024-11-09 06:30:27,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:30:27" (1/1) ... [2024-11-09 06:30:27,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:30:29,295 WARN L250 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_b556f9fc-4641-4602-ad6a-48e63df82ca2/sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i[73344,73357] [2024-11-09 06:30:30,690 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 06:30:30,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:30:30,822 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:30:30,929 WARN L250 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_b556f9fc-4641-4602-ad6a-48e63df82ca2/sv-benchmarks/c/neural-networks/tanh_w32_r2_case_0_safe.c-amalgamation.i[73344,73357] [2024-11-09 06:30:31,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:30:32,361 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:30:32,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32 WrapperNode [2024-11-09 06:30:32,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:30:32,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:30:32,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:30:32,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:30:32,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (1/1) ... [2024-11-09 06:30:32,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (1/1) ... [2024-11-09 06:30:33,203 INFO L138 Inliner]: procedures = 780, calls = 9393, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 2880 [2024-11-09 06:30:33,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:30:33,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:30:33,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:30:33,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:30:33,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (1/1) ... [2024-11-09 06:30:33,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (1/1) ... [2024-11-09 06:30:33,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (1/1) ... [2024-11-09 06:30:33,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (1/1) ... [2024-11-09 06:30:33,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (1/1) ... [2024-11-09 06:30:33,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (1/1) ... [2024-11-09 06:30:33,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (1/1) ... [2024-11-09 06:30:33,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (1/1) ... [2024-11-09 06:30:33,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:30:33,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:30:33,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:30:33,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:30:33,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (1/1) ... [2024-11-09 06:30:33,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:30:33,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:30:33,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:30:33,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:30:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 06:30:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-09 06:30:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-09 06:30:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-09 06:30:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:30:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:30:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:30:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 06:30:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 06:30:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:30:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:30:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-09 06:30:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-09 06:30:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-09 06:30:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-09 06:30:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:30:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:30:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 06:30:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 06:30:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-09 06:30:33,648 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-09 06:30:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:30:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 06:30:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:30:33,996 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:30:34,000 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:31:17,271 INFO L? ?]: Removed 181 outVars from TransFormulas that were not future-live. [2024-11-09 06:31:17,272 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:31:17,301 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:31:17,303 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:31:17,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:31:17 BoogieIcfgContainer [2024-11-09 06:31:17,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:31:17,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:31:17,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:31:17,313 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:31:17,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:30:27" (1/3) ... [2024-11-09 06:31:17,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3e2d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:31:17, skipping insertion in model container [2024-11-09 06:31:17,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:30:32" (2/3) ... [2024-11-09 06:31:17,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3e2d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:31:17, skipping insertion in model container [2024-11-09 06:31:17,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:31:17" (3/3) ... [2024-11-09 06:31:17,318 INFO L112 eAbstractionObserver]: Analyzing ICFG tanh_w32_r2_case_0_safe.c-amalgamation.i [2024-11-09 06:31:17,343 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:31:17,343 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:31:17,440 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:31:17,449 INFO L333 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, 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;@6f3561ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:31:17,449 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:31:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 161 states have (on average 1.5527950310559007) internal successors, (250), 162 states have internal predecessors, (250), 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) [2024-11-09 06:31:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 06:31:17,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:31:17,480 INFO L215 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, 1, 1] [2024-11-09 06:31:17,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:31:17,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:31:17,491 INFO L85 PathProgramCache]: Analyzing trace with hash -2001365497, now seen corresponding path program 1 times [2024-11-09 06:31:17,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:31:17,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493481903] [2024-11-09 06:31:17,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:17,589 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 [2024-11-09 06:31:17,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:31:17,594 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:31:17,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b556f9fc-4641-4602-ad6a-48e63df82ca2/bin/utaipan-verify-YMUCfTKeje/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