./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 56b3b057d69ffeefa81ad42b23dbc12e5bea8785623db51b330d3338140f8778 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:32,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:32,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:27:32,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:32,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:32,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:32,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:32,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:32,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:32,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:32,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:32,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:32,924 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:27:32,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:32,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:27:32,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:32,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:32,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:32,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:32,929 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:27:32,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:32,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:32,931 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:32,931 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:32,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:32,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:32,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:32,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:32,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:32,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:32,935 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:32,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:32,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:32,936 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_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56b3b057d69ffeefa81ad42b23dbc12e5bea8785623db51b330d3338140f8778 [2023-11-23 20:27:33,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:33,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:33,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:33,342 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:33,343 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:33,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i [2023-11-23 20:27:36,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:37,168 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:37,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i [2023-11-23 20:27:37,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/data/d5546e60b/120473e007924fea94c644e49519094b/FLAGa722a7107 [2023-11-23 20:27:37,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/data/d5546e60b/120473e007924fea94c644e49519094b [2023-11-23 20:27:37,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:37,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:37,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:37,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:37,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:37,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:37" (1/1) ... [2023-11-23 20:27:37,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dc8400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:37, skipping insertion in model container [2023-11-23 20:27:37,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:37" (1/1) ... [2023-11-23 20:27:37,371 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:37,713 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:27:38,862 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3077) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2918) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:27:38,868 INFO L158 Benchmark]: Toolchain (without parser) took 1615.07ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 66.7MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:27:38,869 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:27:38,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1611.59ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 66.7MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:27:38,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1611.59ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 66.7MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 56b3b057d69ffeefa81ad42b23dbc12e5bea8785623db51b330d3338140f8778 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:41,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:41,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-23 20:27:41,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:41,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:41,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:41,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:41,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:41,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:41,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:41,710 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:27:41,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:27:41,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:41,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:41,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:41,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:41,714 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:27:41,715 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:27:41,715 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:27:41,716 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:27:41,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:41,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:41,718 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:41,718 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:41,719 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:41,719 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:27:41,719 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:27:41,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:41,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:41,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:41,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:41,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:41,723 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:27:41,723 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:27:41,724 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:41,724 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:27:41,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:27:41,724 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_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56b3b057d69ffeefa81ad42b23dbc12e5bea8785623db51b330d3338140f8778 [2023-11-23 20:27:42,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:42,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:42,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:42,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:42,167 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:42,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i [2023-11-23 20:27:45,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:45,724 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:45,725 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i [2023-11-23 20:27:45,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/data/9a2adc8ab/5842a45954cf4072b7e1343d71e42079/FLAG3ff79cedd [2023-11-23 20:27:45,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/data/9a2adc8ab/5842a45954cf4072b7e1343d71e42079 [2023-11-23 20:27:45,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:45,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:45,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:45,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:45,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:45,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:45,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3fbb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45, skipping insertion in model container [2023-11-23 20:27:45,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:45,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:46,330 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:27:47,575 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_87d68938-2afa-4047-8b68-69c29873fc3a/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i[71467,71480] [2023-11-23 20:27:47,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:47,930 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:27:47,966 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:47,991 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:27:48,045 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_87d68938-2afa-4047-8b68-69c29873fc3a/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i[71467,71480] [2023-11-23 20:27:48,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:48,178 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:48,215 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:27:48,261 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_87d68938-2afa-4047-8b68-69c29873fc3a/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i[71467,71480] [2023-11-23 20:27:48,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:48,672 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:48,672 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:48,672 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:48,672 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:48,674 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:48,682 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:48,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48 WrapperNode [2023-11-23 20:27:48,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:48,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:48,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:48,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:48,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48" (1/1) ... [2023-11-23 20:27:48,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48" (1/1) ... [2023-11-23 20:27:48,853 INFO L138 Inliner]: procedures = 780, calls = 643, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1226 [2023-11-23 20:27:48,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:48,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:48,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:48,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:48,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48" (1/1) ... [2023-11-23 20:27:48,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48" (1/1) ... [2023-11-23 20:27:48,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48" (1/1) ... [2023-11-23 20:27:48,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48" (1/1) ... [2023-11-23 20:27:48,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48" (1/1) ... [2023-11-23 20:27:48,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48" (1/1) ... [2023-11-23 20:27:49,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48" (1/1) ... [2023-11-23 20:27:49,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48" (1/1) ... [2023-11-23 20:27:49,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:49,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:49,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:49,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:49,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:48" (1/1) ... [2023-11-23 20:27:49,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:49,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:49,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:49,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 20:27:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-11-23 20:27:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:27:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:27:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:27:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:27:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:27:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-11-23 20:27:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-11-23 20:27:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-11-23 20:27:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-11-23 20:27:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:27:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:27:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:27:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 20:27:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:27:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-11-23 20:27:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-11-23 20:27:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 20:27:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:27:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:27:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-11-23 20:27:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-11-23 20:27:49,454 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:49,457 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:28:18,724 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:28:19,905 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:28:19,906 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-11-23 20:28:19,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:19 BoogieIcfgContainer [2023-11-23 20:28:19,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:28:19,908 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:28:19,909 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:28:19,920 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:28:19,920 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:19" (1/1) ... [2023-11-23 20:28:19,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:28:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:19,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2023-11-23 20:28:19,997 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2023-11-23 20:28:20,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:28:20,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:20,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:28:20,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:28:20,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:28:20,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:28:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:26,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:28:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:28,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 2222 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:28,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-23 20:28:29,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d68938-2afa-4047-8b68-69c29873fc3a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0