./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/relu_2_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/relu_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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_20a521e5-dc1f-4a88-ad58-84b85952a60d/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 ccdb62d59541b26a7fb83dfa8ab76c44357d781eb926fbe83782586c43adbd30 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:53:44,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:53:44,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:53:44,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:53:44,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:53:44,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:53:44,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:53:44,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:53:44,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:53:44,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:53:44,379 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:53:44,379 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:53:44,380 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:53:44,380 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:53:44,383 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:53:44,383 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:53:44,383 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:53:44,384 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:53:44,384 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:53:44,384 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:53:44,385 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:53:44,385 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:53:44,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:53:44,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:53:44,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:53:44,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:53:44,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:53:44,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:53:44,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:53:44,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:53:44,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:53:44,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:53:44,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:53:44,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:53:44,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:53:44,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:53:44,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:53:44,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:53:44,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:53:44,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:53:44,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:53:44,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:53:44,398 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:53:44,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:53:44,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:53:44,399 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:53:44,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:53:44,399 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_20a521e5-dc1f-4a88-ad58-84b85952a60d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccdb62d59541b26a7fb83dfa8ab76c44357d781eb926fbe83782586c43adbd30 [2024-11-09 04:53:44,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:53:44,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:53:44,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:53:44,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:53:44,782 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:53:44,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/neural-networks/relu_2_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 04:53:47,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:53:47,478 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:53:47,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/sv-benchmarks/c/neural-networks/relu_2_safe.c-amalgamation.i [2024-11-09 04:53:47,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/data/45e82e1ce/0c7a54e741c545dd9c81628f9ac2c19e/FLAG951729482 [2024-11-09 04:53:47,525 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/data/45e82e1ce/0c7a54e741c545dd9c81628f9ac2c19e [2024-11-09 04:53:47,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:53:47,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:53:47,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:53:47,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:53:47,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:53:47,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:53:47" (1/1) ... [2024-11-09 04:53:47,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7d62b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:47, skipping insertion in model container [2024-11-09 04:53:47,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:53:47" (1/1) ... [2024-11-09 04:53:47,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:53:48,578 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: fmax at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:634) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:3133) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:568) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2184) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:197) 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 04:53:48,584 INFO L158 Benchmark]: Toolchain (without parser) took 1052.14ms. Allocated memory is still 144.7MB. Free memory was 105.7MB in the beginning and 88.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:53:48,585 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory was 71.3MB in the beginning and 71.3MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:53:48,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1049.11ms. Allocated memory is still 144.7MB. Free memory was 105.3MB in the beginning and 88.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:53:48,587 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory was 71.3MB in the beginning and 71.3MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1049.11ms. Allocated memory is still 144.7MB. Free memory was 105.3MB in the beginning and 88.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. 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: fmax de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:634) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/relu_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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_20a521e5-dc1f-4a88-ad58-84b85952a60d/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 ccdb62d59541b26a7fb83dfa8ab76c44357d781eb926fbe83782586c43adbd30 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:53:51,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:53:51,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:53:51,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:53:51,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:53:51,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:53:51,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:53:51,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:53:51,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:53:51,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:53:51,258 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:53:51,258 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:53:51,258 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:53:51,259 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:53:51,259 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:53:51,260 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:53:51,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:53:51,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:53:51,261 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:53:51,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:53:51,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:53:51,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:53:51,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:53:51,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:53:51,263 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:53:51,264 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:53:51,264 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:53:51,264 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:53:51,265 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:53:51,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:53:51,265 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:53:51,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:53:51,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:53:51,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:53:51,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:53:51,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:53:51,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:53:51,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:53:51,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:53:51,268 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:53:51,268 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:53:51,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:53:51,269 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:53:51,269 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_20a521e5-dc1f-4a88-ad58-84b85952a60d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccdb62d59541b26a7fb83dfa8ab76c44357d781eb926fbe83782586c43adbd30 [2024-11-09 04:53:51,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:53:51,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:53:51,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:53:51,712 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:53:51,713 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:53:51,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/neural-networks/relu_2_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 04:53:54,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:53:54,522 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:53:54,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/sv-benchmarks/c/neural-networks/relu_2_safe.c-amalgamation.i [2024-11-09 04:53:54,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/data/88ea78e85/2e98dadc08eb469090461746adca3201/FLAG8ba21d090 [2024-11-09 04:53:54,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/data/88ea78e85/2e98dadc08eb469090461746adca3201 [2024-11-09 04:53:54,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:53:54,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:53:54,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:53:54,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:53:54,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:53:54,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:53:54" (1/1) ... [2024-11-09 04:53:54,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704cbfc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:54, skipping insertion in model container [2024-11-09 04:53:54,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:53:54" (1/1) ... [2024-11-09 04:53:54,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:53:55,801 WARN L1698 CHandler]: Possible shadowing of function y1 [2024-11-09 04:53:55,802 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_20a521e5-dc1f-4a88-ad58-84b85952a60d/sv-benchmarks/c/neural-networks/relu_2_safe.c-amalgamation.i[63092,63105] [2024-11-09 04:53:55,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:53:55,828 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:53:55,891 WARN L1698 CHandler]: Possible shadowing of function y1 [2024-11-09 04:53:55,892 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_20a521e5-dc1f-4a88-ad58-84b85952a60d/sv-benchmarks/c/neural-networks/relu_2_safe.c-amalgamation.i[63092,63105] [2024-11-09 04:53:55,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:53:56,049 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:53:56,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56 WrapperNode [2024-11-09 04:53:56,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:53:56,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:53:56,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:53:56,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:53:56,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (1/1) ... [2024-11-09 04:53:56,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (1/1) ... [2024-11-09 04:53:56,121 INFO L138 Inliner]: procedures = 559, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-09 04:53:56,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:53:56,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:53:56,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:53:56,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:53:56,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (1/1) ... [2024-11-09 04:53:56,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (1/1) ... [2024-11-09 04:53:56,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (1/1) ... [2024-11-09 04:53:56,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (1/1) ... [2024-11-09 04:53:56,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (1/1) ... [2024-11-09 04:53:56,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (1/1) ... [2024-11-09 04:53:56,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (1/1) ... [2024-11-09 04:53:56,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (1/1) ... [2024-11-09 04:53:56,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:53:56,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:53:56,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:53:56,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:53:56,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (1/1) ... [2024-11-09 04:53:56,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:53:56,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:53:56,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:53:56,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:53:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:53:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:53:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:53:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:53:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure relu [2024-11-09 04:53:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure relu [2024-11-09 04:53:56,451 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:53:56,454 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:53:56,729 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 04:53:56,729 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:53:56,750 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:53:56,750 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:53:56,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:53:56 BoogieIcfgContainer [2024-11-09 04:53:56,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:53:56,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:53:56,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:53:56,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:53:56,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:53:54" (1/3) ... [2024-11-09 04:53:56,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74882907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:53:56, skipping insertion in model container [2024-11-09 04:53:56,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:56" (2/3) ... [2024-11-09 04:53:56,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74882907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:53:56, skipping insertion in model container [2024-11-09 04:53:56,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:53:56" (3/3) ... [2024-11-09 04:53:56,759 INFO L112 eAbstractionObserver]: Analyzing ICFG relu_2_safe.c-amalgamation.i [2024-11-09 04:53:56,781 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:53:56,782 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:53:56,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:53:56,883 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;@47206860, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:53:56,885 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:53:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 04:53:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 04:53:56,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:53:56,904 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:53:56,904 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:53:56,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:53:56,912 INFO L85 PathProgramCache]: Analyzing trace with hash -404362107, now seen corresponding path program 1 times [2024-11-09 04:53:56,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:53:56,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867811686] [2024-11-09 04:53:56,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:53:56,933 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 04:53:56,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:53:56,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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 04:53:56,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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 [2024-11-09 04:53:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:53:57,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:53:57,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:53:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 04:53:57,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:53:57,135 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:53:57,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867811686] [2024-11-09 04:53:57,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867811686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:53:57,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:53:57,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:53:57,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388447898] [2024-11-09 04:53:57,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:53:57,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:53:57,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:53:57,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:53:57,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:53:57,187 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 04:53:57,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:53:57,207 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-11-09 04:53:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:53:57,210 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-09 04:53:57,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:53:57,219 INFO L225 Difference]: With dead ends: 31 [2024-11-09 04:53:57,219 INFO L226 Difference]: Without dead ends: 13 [2024-11-09 04:53:57,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:53:57,232 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:53:57,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:53:57,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-09 04:53:57,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-09 04:53:57,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 04:53:57,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-09 04:53:57,277 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 15 [2024-11-09 04:53:57,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:53:57,278 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-09 04:53:57,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 04:53:57,279 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-09 04:53:57,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 04:53:57,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:53:57,281 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:53:57,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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)] Ended with exit code 0 [2024-11-09 04:53:57,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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 [2024-11-09 04:53:57,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:53:57,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:53:57,484 INFO L85 PathProgramCache]: Analyzing trace with hash -991168121, now seen corresponding path program 1 times [2024-11-09 04:53:57,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:53:57,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838631671] [2024-11-09 04:53:57,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:53:57,485 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 04:53:57,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:53:57,490 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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 04:53:57,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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 (3)] Waiting until timeout for monitored process [2024-11-09 04:53:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:53:57,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 04:53:57,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:30,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 04:54:30,064 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:54:30,064 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:54:30,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [838631671] [2024-11-09 04:54:30,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [838631671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:54:30,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:54:30,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 04:54:30,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419437641] [2024-11-09 04:54:30,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:54:30,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 04:54:30,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:54:30,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 04:54:30,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=71, Unknown=1, NotChecked=0, Total=90 [2024-11-09 04:54:30,070 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 10 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 04:54:56,565 WARN L286 SmtUtils]: Spent 10.40s on a formula simplification. DAG size of input: 22 DAG size of output: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:55:16,965 WARN L286 SmtUtils]: Spent 13.37s on a formula simplification. DAG size of input: 22 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:55:18,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:55:21,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:55:23,804 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000.0)))) (and (exists ((|ULTIMATE.start_main_~x1~0#1| (_ FloatingPoint 8 24))) (and (= |c_ULTIMATE.start_main_~y1~0#1| (fp.max |ULTIMATE.start_main_~x1~0#1| (_ +zero 8 24))) (= (fp.add roundNearestTiesToEven |ULTIMATE.start_main_~x1~0#1| .cse0) |c_ULTIMATE.start_main_~x2~0#1|) (not (fp.isNaN ((_ to_fp 11 53) roundNearestTiesToEven |ULTIMATE.start_main_~x1~0#1|))))) (exists ((|ULTIMATE.start_main_~x1~0#1| (_ FloatingPoint 8 24))) (and (= |c_ULTIMATE.start_main_~y1~0#1| (fp.max |ULTIMATE.start_main_~x1~0#1| (_ +zero 8 24))) (not (fp.isNaN ((_ to_fp 11 53) roundNearestTiesToEven |ULTIMATE.start_main_~x1~0#1|))) (= |c_ULTIMATE.start_main_#t~ret90#1| (fp.max (fp.add roundNearestTiesToEven |ULTIMATE.start_main_~x1~0#1| .cse0) (_ +zero 8 24))))) (not (fp.isNaN ((_ to_fp 11 53) roundNearestTiesToEven |c_ULTIMATE.start_main_~x1~0#1|))) (= |c_ULTIMATE.start_main_~x2~0#1| (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~x1~0#1| ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000.0)))) (= |c_ULTIMATE.start_main_~x2~0#1| (fp.add roundNearestTiesToEven |c_ULTIMATE.start_main_~x1~0#1| .cse0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-09 04:55:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:55:23,923 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2024-11-09 04:55:23,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:55:23,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-09 04:55:23,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:55:23,924 INFO L225 Difference]: With dead ends: 13 [2024-11-09 04:55:23,924 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 04:55:23,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 70.4s TimeCoverageRelationStatistics Valid=43, Invalid=141, Unknown=2, NotChecked=24, Total=210 [2024-11-09 04:55:23,927 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:55:23,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 33 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 1 Unknown, 8 Unchecked, 10.3s Time] [2024-11-09 04:55:23,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 04:55:23,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 04:55:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:55:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 04:55:23,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2024-11-09 04:55:23,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:55:23,931 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 04:55:23,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 04:55:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 04:55:23,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 04:55:23,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:55:23,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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 (3)] Forceful destruction successful, exit code 0 [2024-11-09 04:55:24,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/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 [2024-11-09 04:55:24,139 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 04:55:24,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 04:55:34,230 WARN L286 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-09 04:55:34,328 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:55:34,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 04:55:34,348 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 04:55:34,350 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 04:55:34,350 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 04:55:34,352 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-09 04:55:34,360 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN [2024-11-09 04:55:34,360 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE [2024-11-09 04:55:34,360 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO [2024-11-09 04:55:34,361 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL [2024-11-09 04:55:34,361 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL [2024-11-09 04:55:34,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:55:34 BoogieIcfgContainer [2024-11-09 04:55:34,364 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:55:34,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:55:34,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:55:34,373 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:55:34,374 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:53:56" (3/4) ... [2024-11-09 04:55:34,378 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 04:55:34,387 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure relu [2024-11-09 04:55:34,393 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 04:55:34,394 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 04:55:34,394 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 04:55:34,394 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 04:55:34,395 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 04:55:34,497 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:55:34,498 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 04:55:34,498 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:55:34,499 INFO L158 Benchmark]: Toolchain (without parser) took 99710.49ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 42.5MB in the beginning and 48.0MB in the end (delta: -5.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-09 04:55:34,499 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 92.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:55:34,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1260.39ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 42.3MB in the beginning and 44.4MB in the end (delta: -2.1MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-11-09 04:55:34,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.56ms. Allocated memory is still 94.4MB. Free memory was 44.4MB in the beginning and 68.0MB in the end (delta: -23.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-09 04:55:34,500 INFO L158 Benchmark]: Boogie Preprocessor took 30.17ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 66.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:55:34,501 INFO L158 Benchmark]: RCFGBuilder took 596.41ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 56.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 04:55:34,504 INFO L158 Benchmark]: TraceAbstraction took 97611.92ms. Allocated memory is still 94.4MB. Free memory was 55.4MB in the beginning and 52.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:55:34,505 INFO L158 Benchmark]: Witness Printer took 130.47ms. Allocated memory is still 94.4MB. Free memory was 52.8MB in the beginning and 48.0MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 04:55:34,507 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 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 92.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1260.39ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 42.3MB in the beginning and 44.4MB in the end (delta: -2.1MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.56ms. Allocated memory is still 94.4MB. Free memory was 44.4MB in the beginning and 68.0MB in the end (delta: -23.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.17ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 66.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 596.41ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 56.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 97611.92ms. Allocated memory is still 94.4MB. Free memory was 55.4MB in the beginning and 52.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 130.47ms. Allocated memory is still 94.4MB. Free memory was 52.8MB in the beginning and 48.0MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 856]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 87.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 53.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 8 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 22 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 70.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 32.4s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 4 QuantifiedInterpolants, 150 SizeOfPredicates, 3 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 845]: Procedure Contract for relu Derived contract for procedure relu. Ensures: (signgam == \old(signgam)) RESULT: Ultimate proved your program to be correct! [2024-11-09 04:55:34,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a521e5-dc1f-4a88-ad58-84b85952a60d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE