./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk --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 628f0ae984c92840310b608a625c8e19fe55bdc1fda0914e92dfa2651b9e8927 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:36:41,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:36:41,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:36:41,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:36:41,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:36:41,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:36:41,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:36:41,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:36:41,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:36:41,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:36:41,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:36:41,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:36:41,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:36:41,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:36:41,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:36:41,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:36:41,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:36:41,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:36:41,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:36:41,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:36:41,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:36:41,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:36:41,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:36:41,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:36:41,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:36:41,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:36:41,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:36:41,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:36:41,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:36:41,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:36:41,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:36:41,927 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:36:41,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:36:41,928 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_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628f0ae984c92840310b608a625c8e19fe55bdc1fda0914e92dfa2651b9e8927 [2024-11-09 00:36:42,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:36:42,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:36:42,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:36:42,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:36:42,262 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:36:42,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 00:36:44,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:36:44,769 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:36:44,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i [2024-11-09 00:36:44,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/data/d16f516b9/e7550ce8185f4763bd259d71165e48ac/FLAG633aab2fc [2024-11-09 00:36:44,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/data/d16f516b9/e7550ce8185f4763bd259d71165e48ac [2024-11-09 00:36:44,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:36:44,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:36:44,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:44,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:36:44,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:36:44,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:44" (1/1) ... [2024-11-09 00:36:44,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26704aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:44, skipping insertion in model container [2024-11-09 00:36:44,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:44" (1/1) ... [2024-11-09 00:36:45,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:36:46,436 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i[71411,71424] [2024-11-09 00:36:46,775 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1625) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2578) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1520) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoopBody(CHandler.java:3634) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1577) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2522) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:36:46,782 INFO L158 Benchmark]: Toolchain (without parser) took 1856.23ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 84.7MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 00:36:46,783 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:36:46,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1853.35ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 84.7MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 00:36:46,785 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1853.35ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 84.7MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk --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 628f0ae984c92840310b608a625c8e19fe55bdc1fda0914e92dfa2651b9e8927 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:36:49,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:36:49,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:36:49,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:36:49,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:36:49,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:36:49,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:36:49,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:36:49,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:36:49,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:36:49,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:36:49,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:36:49,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:36:49,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:36:49,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:36:49,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:36:49,609 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:36:49,610 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:36:49,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:36:49,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:36:49,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:36:49,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:36:49,616 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:36:49,616 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:36:49,616 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:36:49,617 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:36:49,617 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:49,617 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:36:49,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:36:49,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:36:49,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:36:49,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:36:49,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:36:49,621 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:36:49,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:49,623 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:36:49,623 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_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628f0ae984c92840310b608a625c8e19fe55bdc1fda0914e92dfa2651b9e8927 [2024-11-09 00:36:50,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:36:50,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:36:50,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:36:50,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:36:50,134 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:36:50,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 00:36:52,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:36:53,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:36:53,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i [2024-11-09 00:36:53,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/data/910527ee5/51198af1e7b2473b99b446ea3094a848/FLAG6175ec5a7 [2024-11-09 00:36:53,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/data/910527ee5/51198af1e7b2473b99b446ea3094a848 [2024-11-09 00:36:53,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:36:53,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:36:53,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:53,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:36:53,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:36:53,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:53" (1/1) ... [2024-11-09 00:36:53,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2592c1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:53, skipping insertion in model container [2024-11-09 00:36:53,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:53" (1/1) ... [2024-11-09 00:36:53,592 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:36:55,246 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i[71411,71424] [2024-11-09 00:36:55,664 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:36:55,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:55,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:36:55,896 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i[71411,71424] [2024-11-09 00:36:56,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:56,343 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:36:56,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56 WrapperNode [2024-11-09 00:36:56,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:56,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:56,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:36:56,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:36:56,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,493 INFO L138 Inliner]: procedures = 780, calls = 713, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 402 [2024-11-09 00:36:56,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:56,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:36:56,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:36:56,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:36:56,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:36:56,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:36:56,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:36:56,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:36:56,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:36:56,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:36:56,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:36:56,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:36:56,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 00:36:56,688 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-09 00:36:56,689 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-09 00:36:56,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-09 00:36:56,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:36:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:36:56,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:36:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 00:36:56,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 00:36:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:36:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:36:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-09 00:36:56,691 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-09 00:36:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-09 00:36:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-09 00:36:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:36:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:36:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 00:36:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 00:36:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-09 00:36:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-09 00:36:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:36:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 00:36:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 00:36:57,005 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:36:57,008 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:37:17,580 INFO L? ?]: Removed 153 outVars from TransFormulas that were not future-live. [2024-11-09 00:37:17,581 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:37:17,943 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:37:17,943 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:37:17,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:17 BoogieIcfgContainer [2024-11-09 00:37:17,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:37:17,945 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:37:17,945 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:37:17,955 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:37:17,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:17" (1/1) ... [2024-11-09 00:37:17,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:18,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 107 states and 162 transitions. [2024-11-09 00:37:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2024-11-09 00:37:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:37:18,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:18,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:18,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:18,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:18,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:37:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:19,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:19,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:37:19,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:20,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:37:30,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:37:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:31,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 171 transitions. [2024-11-09 00:37:31,770 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2024-11-09 00:37:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:37:31,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:31,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:31,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:31,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:31,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:37:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:44,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:44,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:37:44,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:45,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:37:45,275 INFO L224 Elim1Store]: Index analysis took 210 ms [2024-11-09 00:37:47,283 INFO L349 Elim1Store]: treesize reduction 180, result has 28.3 percent of original size [2024-11-09 00:37:47,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 134 treesize of output 140 [2024-11-09 00:37:47,420 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-09 00:37:47,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-09 00:37:48,050 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-09 00:37:48,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:37:50,037 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-11-09 00:37:50,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-11-09 00:37:50,096 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-09 00:37:50,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-09 00:37:50,313 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-09 00:37:50,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:37:52,239 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-11-09 00:37:52,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-11-09 00:37:52,292 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-09 00:37:52,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-09 00:37:52,504 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-09 00:37:52,826 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-09 00:38:48,438 WARN L286 SmtUtils]: Spent 52.63s on a formula simplification. DAG size of input: 166 DAG size of output: 114 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:38:52,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:38:52,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 328 treesize of output 244 [2024-11-09 00:38:52,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-11-09 00:38:52,549 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:38:52,555 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-11-09 00:38:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:38:53,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:39:11,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:39:27,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:27,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 119 states and 187 transitions. [2024-11-09 00:39:27,965 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 187 transitions. [2024-11-09 00:39:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:39:27,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:27,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:27,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:27,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:27,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:39:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:28,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:29,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:39:29,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:30,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 00:39:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 119 states and 185 transitions. [2024-11-09 00:39:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 185 transitions. [2024-11-09 00:39:31,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:39:31,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:31,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:31,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:31,926 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:31,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:39:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:33,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:33,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:39:33,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:34,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:34,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:39:36,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 119 states and 183 transitions. [2024-11-09 00:39:36,161 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 183 transitions. [2024-11-09 00:39:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:39:36,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:36,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:36,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:36,165 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:36,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:39:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:37,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:37,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:39:37,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:37,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 00:39:37,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:37,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 121 states and 187 transitions. [2024-11-09 00:39:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 187 transitions. [2024-11-09 00:39:37,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:39:37,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:37,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:37,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:37,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:37,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:39:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:38,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:39,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:39:39,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:44,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:40:03,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:40:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 204 transitions. [2024-11-09 00:40:42,721 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 204 transitions. [2024-11-09 00:40:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:40:42,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:42,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:42,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:42,725 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:42,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:40:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:44,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:40:44,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:40:46,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 128 states and 201 transitions. [2024-11-09 00:40:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 201 transitions. [2024-11-09 00:40:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:40:49,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:49,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:49,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:49,252 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:49,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:40:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:50,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:50,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:40:50,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:40:51,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:40:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 129 states and 201 transitions. [2024-11-09 00:40:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 201 transitions. [2024-11-09 00:40:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:40:59,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:59,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:59,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:59,062 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:59,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:41:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:00,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:00,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:41:00,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:01,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:41:01,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:41:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 130 states and 201 transitions. [2024-11-09 00:41:09,105 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 201 transitions. [2024-11-09 00:41:09,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 00:41:09,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:09,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:09,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:09,112 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:09,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:41:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:10,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:11,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:41:11,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:41:13,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-09 00:41:33,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:33,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 134 states and 210 transitions. [2024-11-09 00:41:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 210 transitions. [2024-11-09 00:41:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 00:41:33,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:33,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:33,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:33,568 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:33,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:41:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:35,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:35,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:41:35,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:35,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:41:35,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 00:41:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 137 states and 217 transitions. [2024-11-09 00:41:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 217 transitions. [2024-11-09 00:41:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:41:44,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:44,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:44,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:44,158 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:44,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:41:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:45,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:46,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:41:46,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 00:41:46,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-09 00:41:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:59,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 142 states and 224 transitions. [2024-11-09 00:41:59,462 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 224 transitions. [2024-11-09 00:41:59,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:41:59,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:59,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:59,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:59,466 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:59,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:42:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:01,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:42:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:01,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:42:01,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:42:02,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 00:42:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 150 states and 241 transitions. [2024-11-09 00:42:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 241 transitions. [2024-11-09 00:42:38,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:42:38,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:38,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:42:38,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:42:38,009 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:42:38,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:42:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:39,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:42:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:40,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:42:40,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:42:40,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:43:01,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 153 states and 245 transitions. [2024-11-09 00:43:01,551 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 245 transitions. [2024-11-09 00:43:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:43:01,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:01,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:01,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:01,557 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:01,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:43:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:03,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:04,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:43:04,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:21,825 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:43:21,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 00:43:37,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 156 states and 252 transitions. [2024-11-09 00:43:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 252 transitions. [2024-11-09 00:43:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:43:37,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:37,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:37,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:37,662 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:37,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:43:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:39,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:39,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:43:39,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:43:43,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:43:47,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:47,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 156 states and 250 transitions. [2024-11-09 00:43:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 250 transitions. [2024-11-09 00:43:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 00:43:47,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:47,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:47,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:47,602 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:47,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:43:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:49,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:49,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:43:49,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:43:50,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 00:43:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:55,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 159 states and 255 transitions. [2024-11-09 00:43:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 255 transitions. [2024-11-09 00:43:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 00:43:55,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:55,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:55,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:55,285 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:55,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:43:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:57,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:57,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:43:57,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:43:57,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-09 00:43:58,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:58,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 159 states and 254 transitions. [2024-11-09 00:43:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 254 transitions. [2024-11-09 00:43:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 00:43:58,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:58,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:58,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:58,144 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:58,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:44:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:00,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:44:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:01,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:44:01,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:44:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 00:44:18,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:44:49,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:45:20,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:47:01,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:47:01,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:01,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 172 states and 290 transitions. [2024-11-09 00:47:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 290 transitions. [2024-11-09 00:47:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 00:47:01,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:01,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:01,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:01,877 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:01,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:47:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:03,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:04,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:47:04,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 00:47:10,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 172 states and 288 transitions. [2024-11-09 00:47:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 288 transitions. [2024-11-09 00:47:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 00:47:16,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:16,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:16,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:16,483 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:16,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:47:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:18,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:18,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:47:18,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:23,864 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 00:47:23,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:29,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 172 states and 286 transitions. [2024-11-09 00:47:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 286 transitions. [2024-11-09 00:47:29,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 00:47:29,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:29,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:29,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:29,039 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:29,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:47:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:31,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:31,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:47:31,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 00:47:31,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:21,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 176 states and 291 transitions. [2024-11-09 00:48:21,146 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 291 transitions. [2024-11-09 00:48:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 00:48:21,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:21,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:21,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:21,151 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:21,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:48:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:24,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:24,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:48:24,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:48:59,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11425ab0-bb2b-4219-b9cb-0a7ee96c3757/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:34,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []