./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_3_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_3_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e8a85b1c2816aa544ac8e466cdb47354d430eed3abfdcaccd25e0cbcb4f8ee5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:55:25,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:25,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:55:25,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:25,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:25,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:25,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:25,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:25,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:25,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:25,300 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:25,300 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:25,301 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:25,302 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:55:25,302 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:25,303 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:25,304 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:55:25,304 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:55:25,305 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:25,306 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:55:25,306 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:55:25,307 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:55:25,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:25,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:25,310 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:55:25,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:55:25,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:55:25,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:25,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:25,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:25,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:25,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:55:25,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:25,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:25,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:25,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:25,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:25,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:25,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:25,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:25,317 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:55:25,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:55:25,318 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:25,318 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:25,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:25,319 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_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e8a85b1c2816aa544ac8e466cdb47354d430eed3abfdcaccd25e0cbcb4f8ee5 [2023-11-19 04:55:25,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:25,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:25,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:25,723 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:25,724 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:25,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/neural-networks/softsign_3_safe.c-amalgamation.i [2023-11-19 04:55:29,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:29,539 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:29,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/sv-benchmarks/c/neural-networks/softsign_3_safe.c-amalgamation.i [2023-11-19 04:55:29,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/data/0e9ec50dc/4068d61f1a8b4144b0e830e767be4001/FLAGb84aaf53b [2023-11-19 04:55:29,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/data/0e9ec50dc/4068d61f1a8b4144b0e830e767be4001 [2023-11-19 04:55:29,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:29,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:29,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:29,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:29,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:29,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:29" (1/1) ... [2023-11-19 04:55:29,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245dd832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:29, skipping insertion in model container [2023-11-19 04:55:29,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:29" (1/1) ... [2023-11-19 04:55:29,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:30,010 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:55:30,507 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2254) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1484) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2487) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2102) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1510) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2429) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:55:30,515 INFO L158 Benchmark]: Toolchain (without parser) took 901.83ms. Allocated memory is still 134.2MB. Free memory was 67.5MB in the beginning and 53.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:55:30,516 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory was 106.8MB in the beginning and 106.6MB in the end (delta: 174.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:30,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 897.39ms. Allocated memory is still 134.2MB. Free memory was 67.3MB in the beginning and 53.3MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:55:30,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory was 106.8MB in the beginning and 106.6MB in the end (delta: 174.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 897.39ms. Allocated memory is still 134.2MB. Free memory was 67.3MB in the beginning and 53.3MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_3_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e8a85b1c2816aa544ac8e466cdb47354d430eed3abfdcaccd25e0cbcb4f8ee5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:55:33,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:33,823 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:55:33,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:33,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:33,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:33,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:33,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:33,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:33,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:33,896 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:33,897 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:33,897 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:33,899 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:33,900 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:33,900 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:33,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:33,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:33,903 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:55:33,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:55:33,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:33,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:33,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:33,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:33,906 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:55:33,907 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:55:33,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:55:33,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:55:33,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:33,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:33,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:33,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:55:33,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:33,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:33,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:33,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:33,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:33,913 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:55:33,913 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:55:33,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:33,914 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:33,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:33,915 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e8a85b1c2816aa544ac8e466cdb47354d430eed3abfdcaccd25e0cbcb4f8ee5 [2023-11-19 04:55:34,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:34,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:34,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:34,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:34,348 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:34,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/neural-networks/softsign_3_safe.c-amalgamation.i [2023-11-19 04:55:38,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:38,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:38,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/sv-benchmarks/c/neural-networks/softsign_3_safe.c-amalgamation.i [2023-11-19 04:55:38,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/data/926219b49/5af9a7c37c1f4cf2bb8864ae94bb5b82/FLAGa98984180 [2023-11-19 04:55:38,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/data/926219b49/5af9a7c37c1f4cf2bb8864ae94bb5b82 [2023-11-19 04:55:38,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:38,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:38,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:38,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:38,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:38,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:38" (1/1) ... [2023-11-19 04:55:38,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58da3d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:38, skipping insertion in model container [2023-11-19 04:55:38,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:38" (1/1) ... [2023-11-19 04:55:38,837 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:39,196 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:55:40,119 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-19 04:55:40,120 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-19 04:55:40,122 WARN L1588 CHandler]: Possible shadowing of function y1 [2023-11-19 04:55:40,124 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/sv-benchmarks/c/neural-networks/softsign_3_safe.c-amalgamation.i[63190,63203] [2023-11-19 04:55:40,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:40,148 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:40,175 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:55:40,212 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-19 04:55:40,213 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-19 04:55:40,216 WARN L1588 CHandler]: Possible shadowing of function y1 [2023-11-19 04:55:40,218 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/sv-benchmarks/c/neural-networks/softsign_3_safe.c-amalgamation.i[63190,63203] [2023-11-19 04:55:40,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:40,494 WARN L675 CHandler]: The function __builtin_isnan is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:55:40,495 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:55:40,495 WARN L675 CHandler]: The function __builtin_isinf_sign is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:55:40,504 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:40,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40 WrapperNode [2023-11-19 04:55:40,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:40,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:40,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:40,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:40,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (1/1) ... [2023-11-19 04:55:40,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (1/1) ... [2023-11-19 04:55:40,604 INFO L138 Inliner]: procedures = 562, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2023-11-19 04:55:40,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:40,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:40,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:40,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:40,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (1/1) ... [2023-11-19 04:55:40,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (1/1) ... [2023-11-19 04:55:40,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (1/1) ... [2023-11-19 04:55:40,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (1/1) ... [2023-11-19 04:55:40,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (1/1) ... [2023-11-19 04:55:40,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (1/1) ... [2023-11-19 04:55:40,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (1/1) ... [2023-11-19 04:55:40,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (1/1) ... [2023-11-19 04:55:40,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:40,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:40,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:40,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:40,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (1/1) ... [2023-11-19 04:55:40,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:40,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:40,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:40,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:40,741 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isinf_sign [2023-11-19 04:55:40,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:55:40,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:40,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:40,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:40,742 INFO L130 BoogieDeclarations]: Found specification of procedure softsign [2023-11-19 04:55:40,742 INFO L138 BoogieDeclarations]: Found implementation of procedure softsign [2023-11-19 04:55:40,742 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isnan [2023-11-19 04:55:40,895 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:40,898 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:42,749 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:42,757 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:42,757 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:55:42,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:42 BoogieIcfgContainer [2023-11-19 04:55:42,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:42,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:42,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:42,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:42,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:38" (1/3) ... [2023-11-19 04:55:42,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8a4048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:42, skipping insertion in model container [2023-11-19 04:55:42,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:40" (2/3) ... [2023-11-19 04:55:42,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8a4048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:42, skipping insertion in model container [2023-11-19 04:55:42,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:42" (3/3) ... [2023-11-19 04:55:42,774 INFO L112 eAbstractionObserver]: Analyzing ICFG softsign_3_safe.c-amalgamation.i [2023-11-19 04:55:42,796 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:42,796 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:55:42,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:42,866 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@32519324, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:42,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:55:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 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) [2023-11-19 04:55:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:55:42,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:42,883 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:42,883 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:42,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:42,891 INFO L85 PathProgramCache]: Analyzing trace with hash -240672884, now seen corresponding path program 1 times [2023-11-19 04:55:42,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:55:42,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456287146] [2023-11-19 04:55:42,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:42,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:42,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:55:42,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:55:42,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:55:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:43,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:55:43,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:55:43,732 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:55:43,733 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:55:43,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456287146] [2023-11-19 04:55:43,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456287146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:43,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:43,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:55:43,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683036264] [2023-11-19 04:55:43,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:43,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:55:43,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:55:43,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:55:43,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:55:43,782 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-19 04:55:43,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:43,804 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2023-11-19 04:55:43,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:55:43,807 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 16 [2023-11-19 04:55:43,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:43,816 INFO L225 Difference]: With dead ends: 32 [2023-11-19 04:55:43,816 INFO L226 Difference]: Without dead ends: 14 [2023-11-19 04:55:43,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:55:43,824 INFO L413 NwaCegarLoop]: 19 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, 19 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 [2023-11-19 04:55:43,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:55:43,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-19 04:55:43,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-19 04:55:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 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) [2023-11-19 04:55:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2023-11-19 04:55:43,867 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 16 [2023-11-19 04:55:43,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:43,868 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2023-11-19 04:55:43,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-19 04:55:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 04:55:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:55:43,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:43,871 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:43,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:44,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:44,088 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:44,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:44,089 INFO L85 PathProgramCache]: Analyzing trace with hash -827478898, now seen corresponding path program 1 times [2023-11-19 04:55:44,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:55:44,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871631672] [2023-11-19 04:55:44,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:44,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:44,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:55:44,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:55:44,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:55:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:55:45,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:55:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:55:45,889 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-19 04:55:45,889 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:55:45,891 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:55:45,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:55:46,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:46,097 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 04:55:46,101 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:55:46,121 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated [2023-11-19 04:55:46,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret90 could not be translated [2023-11-19 04:55:46,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret89 could not be translated [2023-11-19 04:55:46,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret92 could not be translated [2023-11-19 04:55:46,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret93 could not be translated [2023-11-19 04:55:46,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:55:46 BoogieIcfgContainer [2023-11-19 04:55:46,142 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:55:46,143 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:55:46,143 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:55:46,144 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:55:46,144 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:42" (3/4) ... [2023-11-19 04:55:46,146 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:55:46,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret89 could not be translated [2023-11-19 04:55:46,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret90 could not be translated [2023-11-19 04:55:46,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated [2023-11-19 04:55:46,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret92 could not be translated [2023-11-19 04:55:46,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret93 could not be translated [2023-11-19 04:55:46,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Minusoo~32 [2023-11-19 04:55:46,202 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:55:46,202 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:55:46,203 INFO L158 Benchmark]: Toolchain (without parser) took 7464.43ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.7MB in the beginning and 65.4MB in the end (delta: -14.7MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2023-11-19 04:55:46,204 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:46,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1765.92ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.5MB in the beginning and 49.1MB in the end (delta: 1.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-19 04:55:46,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.93ms. Allocated memory is still 94.4MB. Free memory was 48.6MB in the beginning and 45.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:55:46,206 INFO L158 Benchmark]: Boogie Preprocessor took 34.24ms. Allocated memory is still 94.4MB. Free memory was 45.8MB in the beginning and 44.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:46,207 INFO L158 Benchmark]: RCFGBuilder took 2121.67ms. Allocated memory is still 94.4MB. Free memory was 44.4MB in the beginning and 65.5MB in the end (delta: -21.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-19 04:55:46,207 INFO L158 Benchmark]: TraceAbstraction took 3376.91ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 68.6MB in the end (delta: -3.7MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-11-19 04:55:46,208 INFO L158 Benchmark]: Witness Printer took 59.29ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 65.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:55:46,211 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1765.92ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.5MB in the beginning and 49.1MB in the end (delta: 1.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.93ms. Allocated memory is still 94.4MB. Free memory was 48.6MB in the beginning and 45.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.24ms. Allocated memory is still 94.4MB. Free memory was 45.8MB in the beginning and 44.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2121.67ms. Allocated memory is still 94.4MB. Free memory was 44.4MB in the beginning and 65.5MB in the end (delta: -21.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3376.91ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 68.6MB in the end (delta: -3.7MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 59.29ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 65.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Minusoo~32 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 857]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L851] float x1 = __VERIFIER_nondet_float(); [L852] float x2 = x1 + 1e-1f; [L853] EXPR !__builtin_isnan (x1) && !__builtin_isinf_sign (x1) [L853] EXPR !__builtin_isnan (x1) && !__builtin_isinf_sign (x1) [L853] COND FALSE !(!(!__builtin_isnan (x1) && !__builtin_isinf_sign (x1))) [L854] CALL, EXPR softsign(x1) [L847] return x / (fabsf(x) + 1.0f); VAL [\result=NaN] [L854] RET, EXPR softsign(x1) [L854] float y1 = softsign(x1); [L855] CALL, EXPR softsign(x2) [L847] return x / (fabsf(x) + 1.0f); VAL [\result=NaN] [L855] RET, EXPR softsign(x2) VAL [y1=NaN] [L855] float y2 = softsign(x2); [L856] float derivative = (y2 - y1) / 1e-1f; VAL [derivative=NaN, y1=NaN, y2=NaN] [L857] COND TRUE !(__builtin_islessequal(derivative, 1.0f)) VAL [derivative=NaN, y1=NaN, y2=NaN] [L857] reach_error() VAL [derivative=NaN, y1=NaN, y2=NaN] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 19 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-19 04:55:46,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64e007b-376b-423b-bbf1-43ba1a4406fb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE