./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b --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 5a67a238aa48b8a3ec66dc98385c4a2787b829a5e88d431b41ae6ef24ee0832f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:50:48,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:50:49,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:50:49,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:50:49,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:50:49,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:50:49,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:50:49,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:50:49,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:50:49,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:50:49,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:50:49,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:50:49,053 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:50:49,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:50:49,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:50:49,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:50:49,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:50:49,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:50:49,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:50:49,054 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:50:49,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:50:49,054 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:50:49,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:50:49,054 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:50:49,054 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:50:49,054 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:50:49,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:50:49,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:49,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:50:49,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:50:49,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:50:49,055 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:50:49,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:50:49,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b 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 -> 5a67a238aa48b8a3ec66dc98385c4a2787b829a5e88d431b41ae6ef24ee0832f [2024-12-06 05:50:49,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:50:49,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:50:49,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:50:49,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:50:49,337 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:50:49,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-12-06 05:50:52,400 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/data/acdb87c90/6fbdb0d6fd0243ba95eaa31c64cde73d/FLAGd34fbc074 [2024-12-06 05:50:52,600 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:50:52,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-12-06 05:50:52,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/data/acdb87c90/6fbdb0d6fd0243ba95eaa31c64cde73d/FLAGd34fbc074 [2024-12-06 05:50:52,627 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/data/acdb87c90/6fbdb0d6fd0243ba95eaa31c64cde73d [2024-12-06 05:50:52,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:50:52,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:50:52,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:52,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:50:52,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:50:52,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:52" (1/1) ... [2024-12-06 05:50:52,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da10570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:52, skipping insertion in model container [2024-12-06 05:50:52,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:52" (1/1) ... [2024-12-06 05:50:52,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:50:52,833 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_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i[948,961] [2024-12-06 05:50:52,849 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: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) 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:1602) 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:783) 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:1507) 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:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) 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:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) 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:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:50:52,857 INFO L158 Benchmark]: Toolchain (without parser) took 224.91ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:50:52,857 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:52,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.12ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 82.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:50:52,859 INFO L338 ainManager$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 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.12ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 82.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. 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: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b --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 5a67a238aa48b8a3ec66dc98385c4a2787b829a5e88d431b41ae6ef24ee0832f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:50:55,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:50:55,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:50:55,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:50:55,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:50:55,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:50:55,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:50:55,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:50:55,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:50:55,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:50:55,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:50:55,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:50:55,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:50:55,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:50:55,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:50:55,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:50:55,196 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:50:55,196 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:50:55,196 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:50:55,196 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:50:55,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:50:55,196 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:50:55,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:50:55,197 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:50:55,197 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:50:55,197 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:50:55,197 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:50:55,197 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:50:55,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:50:55,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:55,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:50:55,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:50:55,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:50:55,198 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:50:55,198 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:50:55,198 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:50:55,198 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b 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 -> 5a67a238aa48b8a3ec66dc98385c4a2787b829a5e88d431b41ae6ef24ee0832f [2024-12-06 05:50:55,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:50:55,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:50:55,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:50:55,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:50:55,501 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:50:55,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-12-06 05:50:58,688 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/data/c62d485c5/018a7e27ff8245ce957ec1ea4a61a8bc/FLAGa7f060968 [2024-12-06 05:50:58,905 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:50:58,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-12-06 05:50:58,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/data/c62d485c5/018a7e27ff8245ce957ec1ea4a61a8bc/FLAGa7f060968 [2024-12-06 05:50:58,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/data/c62d485c5/018a7e27ff8245ce957ec1ea4a61a8bc [2024-12-06 05:50:58,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:50:58,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:50:58,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:58,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:50:58,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:50:58,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:58" (1/1) ... [2024-12-06 05:50:58,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac5ac9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:58, skipping insertion in model container [2024-12-06 05:50:58,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:58" (1/1) ... [2024-12-06 05:50:58,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:50:59,121 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_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i[948,961] [2024-12-06 05:50:59,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:59,176 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:50:59,190 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_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i[948,961] [2024-12-06 05:50:59,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:59,225 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:50:59,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59 WrapperNode [2024-12-06 05:50:59,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:59,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:59,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:50:59,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:50:59,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,267 INFO L138 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2024-12-06 05:50:59,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:59,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:50:59,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:50:59,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:50:59,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,285 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:50:59,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:50:59,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:50:59,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:50:59,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:59" (1/1) ... [2024-12-06 05:50:59,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:59,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:50:59,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:50:59,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:50:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:50:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:50:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:50:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:50:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:50:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:50:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:50:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:50:59,430 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:50:59,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:51:10,353 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 05:51:10,353 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:51:10,451 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:51:10,452 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:51:10,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:10 BoogieIcfgContainer [2024-12-06 05:51:10,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:51:10,453 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:51:10,453 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:51:10,462 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:51:10,462 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:10" (1/1) ... [2024-12-06 05:51:10,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:51:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 05:51:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 05:51:10,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:51:10,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:10,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:10,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:51:10,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:51:10,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:51:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:15,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:51:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:16,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:51:16,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:51:17,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:51:17,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:51:18,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:18,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:51:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:51:18,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:51:18,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:18,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:18,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:51:18,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:51:18,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:51:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:23,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:51:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:24,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:51:24,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:51:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:51:24,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:51:24,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:51:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:51:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:51:24,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:24,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:24,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:51:24,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:51:24,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:51:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:29,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:51:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:30,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:51:30,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:51:30,865 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:51:30,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:51:30,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:51:30,912 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:51:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:51:30,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:30,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:30,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:51:30,915 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:51:30,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:51:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:35,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:51:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:36,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:51:36,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:51:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:51:36,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:51:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:51:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:51:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:51:36,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:36,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:36,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:51:36,735 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:51:36,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:51:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:41,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:51:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:42,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:51:42,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:51:42,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:51:42,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:51:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:51:42,620 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:51:42,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:51:42,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:42,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:42,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:51:42,622 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:51:42,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:51:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:47,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:51:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:48,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:51:48,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:51:48,715 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:51:48,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:51:48,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:51:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:51:48,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:51:48,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:48,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:48,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:51:48,764 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:51:48,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:51:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:53,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:51:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:54,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:51:54,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:51:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:51:54,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:51:54,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:51:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:51:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:51:54,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:54,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:54,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:51:54,967 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:51:54,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:51:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:59,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:00,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:52:00,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:52:01,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:52:01,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:52:01,063 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:52:01,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:52:01,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:01,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:01,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:01,066 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:01,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:52:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:05,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:06,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:52:06,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:52:07,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:52:07,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:07,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:52:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:52:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:52:07,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:07,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:07,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:07,213 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:07,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:52:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:11,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:12,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:52:12,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:52:12,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:52:12,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:12,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:52:12,995 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:52:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:52:12,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:12,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:12,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:12,997 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:12,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:52:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:18,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:18,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:52:18,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:52:19,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:52:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:52:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:52:19,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:52:19,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:19,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:19,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:19,173 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:19,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:52:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:23,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:24,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:52:24,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:52:24,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:52:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:52:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:52:24,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:52:24,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:24,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:24,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:24,889 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:24,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:52:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:30,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:31,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:52:31,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:31,341 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:52:31,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 05:52:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:52:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:52:31,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:52:31,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:31,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:31,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:31,394 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:31,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:52:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:36,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:37,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:52:37,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:52:37,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 05:52:37,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:52:37,723 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:52:37,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:52:37,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:37,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:37,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:37,726 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:37,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:52:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:42,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:43,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:52:43,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:52:43,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 05:52:43,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:43,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:52:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:52:43,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:52:43,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:43,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:43,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:43,936 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:43,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:52:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:48,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:49,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:52:49,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:52:49,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 05:52:49,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:49,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:52:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:52:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:52:49,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:49,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:49,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:49,952 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:49,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 05:52:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:54,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:52:55,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:52:55,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 05:52:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:52:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:52:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:52:55,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:55,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:55,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:55,684 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:55,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 05:53:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:00,878 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:01,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:53:01,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:53:02,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:53:02,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 05:53:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:53:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:53:02,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:53:02,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:02,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:02,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:02,135 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:02,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 05:53:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:07,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:07,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:53:07,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:53:08,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:53:08,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 05:53:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:08,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:53:08,225 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:53:08,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:53:08,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:08,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:08,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:08,228 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:08,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 05:53:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:13,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:14,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:53:14,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:53:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:53:14,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 05:53:14,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:14,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:53:14,528 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:53:14,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:53:14,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:14,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:14,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:14,531 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:14,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 05:53:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:19,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:20,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:53:20,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:53:20,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:53:20,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 05:53:20,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:53:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:53:20,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:53:20,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:20,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:20,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:20,579 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:20,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 05:53:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:25,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:26,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:53:26,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:53:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:53:26,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 05:53:26,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:53:26,555 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:53:26,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:53:26,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:26,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:26,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:26,558 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:26,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 05:53:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:31,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:32,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:53:32,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:53:32,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:53:32,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 05:53:32,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:32,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:53:32,413 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:53:32,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:53:32,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:32,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:32,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:32,415 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:32,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 05:53:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:37,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:38,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:53:38,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:53:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:53:38,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 05:53:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:53:38,756 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:53:38,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:53:38,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:38,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:38,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:38,759 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:38,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 05:53:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:43,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:44,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:53:44,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:53:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:53:44,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 05:53:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:53:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:53:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:53:44,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:44,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:44,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:44,974 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:44,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 05:53:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:50,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:51,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:53:51,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:53:51,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:53:51,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 05:53:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:51,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:53:51,324 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:53:51,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:53:51,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:51,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:51,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:51,326 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:51,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 05:53:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:56,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:57,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:53:57,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:53:57,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:53:57,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 05:53:57,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:53:57,634 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:53:57,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:53:57,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:57,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:57,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:57,637 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:57,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 05:54:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:02,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:03,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:54:03,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:54:03,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 05:54:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:54:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:54:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:54:03,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:03,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:03,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:03,397 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:03,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 05:54:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:08,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:09,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:54:09,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:54:09,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 05:54:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:09,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:54:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:54:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:54:09,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:09,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:09,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:09,641 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:09,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 05:54:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:14,196 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:15,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:54:15,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:15,357 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:54:15,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 05:54:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:54:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:54:15,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:54:15,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:15,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:15,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:15,401 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:15,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 05:54:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:20,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:21,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:54:21,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:54:21,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 05:54:21,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:54:21,936 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:54:21,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:54:21,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:21,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:21,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:21,938 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:21,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 05:54:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:26,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:27,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:54:27,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:54:28,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 05:54:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:54:28,223 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:54:28,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:54:28,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:28,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:28,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:28,226 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:28,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 05:54:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:33,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:34,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:54:34,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:54:34,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 05:54:34,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:54:34,552 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:54:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:54:34,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:34,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:34,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:34,555 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:34,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 05:54:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:39,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:40,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:54:40,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:54:40,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 05:54:40,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:40,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:54:40,607 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:54:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:54:40,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:40,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:40,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:40,609 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:40,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 05:54:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:45,295 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:46,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:54:46,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:54:46,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 05:54:46,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:46,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:54:46,738 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:54:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:54:46,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:46,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:46,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:46,741 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:46,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 05:54:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:51,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:52,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:54:52,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:52,927 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:54:52,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 05:54:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:54:52,978 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:54:52,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:54:52,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:52,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:52,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:52,980 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:52,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 05:54:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:57,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:58,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:54:58,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:54:59,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 05:54:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:54:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:54:59,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:54:59,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:59,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:59,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:59,264 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:59,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 05:55:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:04,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:05,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:55:05,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:55:05,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 05:55:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:55:05,547 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:55:05,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:55:05,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:05,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:05,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:05,550 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:05,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 05:55:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:10,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:11,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:55:11,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:55:11,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 05:55:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:55:11,374 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:55:11,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:55:11,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:11,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:11,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:11,376 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:11,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 05:55:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:16,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:17,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:55:17,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:55:17,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 05:55:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:55:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:55:17,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:55:17,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:17,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:17,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:17,670 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:17,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 05:55:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:22,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:23,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:55:23,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:23,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:55:23,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 05:55:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:55:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:55:23,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:55:23,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:23,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:23,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:23,931 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:23,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 05:55:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:28,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:29,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:55:29,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:55:30,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 05:55:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:55:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:55:30,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:55:30,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:30,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:30,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:30,120 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:30,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 05:55:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:35,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:36,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:55:36,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:55:36,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 05:55:36,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:36,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:55:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:55:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:55:36,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:36,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:36,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:36,350 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:36,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 05:55:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:40,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:41,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:55:41,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:55:42,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 05:55:42,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:42,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:55:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:55:42,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:55:42,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:42,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:42,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:42,248 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:42,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 05:55:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:47,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:48,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:55:48,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:55:48,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 05:55:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:55:48,576 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:55:48,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:55:48,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:48,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:48,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:48,578 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:48,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 05:55:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:53,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:54,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:55:54,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:55:54,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 05:55:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:54,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:55:54,764 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:55:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:55:54,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:54,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:54,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:54,767 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:54,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 05:55:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:59,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:00,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:56:00,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:56:00,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 05:56:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:56:00,975 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:56:00,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:56:00,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:00,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:00,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:00,977 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:00,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 05:56:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:05,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:06,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:56:06,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:56:07,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 05:56:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:56:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:56:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:56:07,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:07,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:07,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:07,121 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:07,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 05:56:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:11,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:12,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:56:12,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:12,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:56:12,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 05:56:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:56:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:56:12,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:56:12,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:12,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:12,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:12,909 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:12,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 05:56:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:17,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:18,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:56:18,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:18,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:56:18,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 05:56:18,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:18,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:56:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:56:18,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:56:18,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:18,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:18,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:18,892 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:18,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 05:56:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:23,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:24,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:56:24,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:56:24,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 05:56:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:56:24,844 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:56:24,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:56:24,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:24,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:24,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:24,846 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:24,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 05:56:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:29,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:30,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:56:30,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:56:30,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 05:56:30,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:56:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:56:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:56:30,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:30,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:30,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:30,813 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:30,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 05:56:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:35,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:36,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:56:36,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:56:37,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 05:56:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:56:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:56:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:56:37,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:37,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:37,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:37,121 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:37,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 05:56:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:41,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:42,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:56:42,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:42,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:56:42,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 05:56:42,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:56:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:56:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:56:42,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:42,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:42,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:42,833 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:42,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 05:56:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:48,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:49,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:56:49,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:49,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:56:49,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 05:56:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:49,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:56:49,339 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:56:49,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:56:49,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:49,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:49,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:49,341 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:49,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 05:56:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:54,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:55,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:56:55,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:55,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:56:55,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 05:56:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:56:55,626 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:56:55,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:56:55,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:55,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:55,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:55,628 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:55,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 05:57:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:00,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:01,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:57:01,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:57:01,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 05:57:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:57:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:57:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:57:01,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:01,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:01,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:01,982 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:01,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 05:57:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:06,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:07,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:57:07,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:57:08,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-12-06 05:57:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:08,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:57:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:57:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:57:08,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:08,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:08,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:08,125 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:08,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 05:57:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:12,600 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:13,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:57:13,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:57:13,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 05:57:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:57:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:57:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:57:13,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:13,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:13,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:13,916 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:13,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 05:57:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:18,921 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:19,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:57:19,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:19,990 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:57:20,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 05:57:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:57:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:57:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:57:20,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:20,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:20,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:20,033 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:20,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 05:57:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:25,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:26,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:57:26,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:57:26,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 05:57:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:57:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:57:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:57:26,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:26,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:26,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:26,592 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:26,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 05:57:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:31,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:32,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:57:32,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:57:32,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 05:57:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:32,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:57:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:57:32,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:57:32,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:32,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:32,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:32,303 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:32,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 05:57:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:37,475 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:38,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:57:38,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:38,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:57:38,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 05:57:38,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:38,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:57:38,563 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:57:38,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:57:38,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:38,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:38,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:38,565 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:38,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 05:57:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:43,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:44,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:57:44,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:57:44,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 05:57:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:44,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:57:44,696 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:57:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:57:44,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:44,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:44,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:44,699 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:44,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 05:57:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:49,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:50,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:57:50,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:57:50,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 05:57:50,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:57:50,713 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:57:50,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:57:50,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:50,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:50,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:50,715 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:50,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 05:57:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:55,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:56,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:57:56,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:57:57,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 05:57:57,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:57,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:57:57,043 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:57:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:57:57,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:57,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:57,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:57,045 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:57,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 05:58:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:01,980 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:02,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:58:02,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:58:03,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 05:58:03,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:58:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:58:03,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:58:03,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:03,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:03,238 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:03,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 05:58:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:08,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:09,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:58:09,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:58:09,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-06 05:58:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:58:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:58:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:58:09,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:09,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:09,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:09,426 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:09,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 05:58:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:14,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:15,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:58:15,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:58:15,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 05:58:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:15,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:58:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:58:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:58:15,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:15,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:15,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:15,541 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:15,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 05:58:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:20,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:21,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:58:21,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:58:21,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 05:58:21,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:21,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:58:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:58:21,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:58:21,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:21,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:21,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:21,475 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:21,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 05:58:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:26,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:27,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:58:27,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:58:27,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 05:58:27,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:27,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:58:27,747 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:58:27,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:58:27,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:27,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:27,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:27,749 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:27,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 05:58:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:32,311 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:33,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:58:33,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:58:33,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 05:58:33,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:58:33,544 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:58:33,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:58:33,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:33,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:33,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:33,546 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:33,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 05:58:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:38,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:39,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:58:39,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:58:39,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 05:58:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:58:39,960 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:58:39,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:58:39,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:39,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:39,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:39,962 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:39,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 05:58:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:44,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:45,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:58:45,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:46,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:58:46,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 05:58:46,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:58:46,201 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:58:46,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:58:46,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:46,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:46,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:46,203 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:46,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 05:58:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:51,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:52,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:58:52,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:58:52,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-06 05:58:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:58:52,384 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:58:52,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:58:52,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:52,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:52,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:52,386 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:52,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 05:58:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:57,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:58,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:58:58,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:58:58,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-06 05:58:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:58:58,325 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:58:58,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:58:58,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:58,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:58,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:58,327 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:58,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 05:59:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:02,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:03,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:59:03,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:59:04,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 05:59:04,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:59:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:59:04,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:59:04,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:04,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:04,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:04,352 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:04,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 05:59:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:09,324 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:10,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:59:10,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:59:10,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-06 05:59:10,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:59:10,404 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:59:10,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:59:10,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:10,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:10,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:10,409 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:10,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 05:59:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:15,199 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:16,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:59:16,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:16,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:59:16,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-06 05:59:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:59:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:59:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:59:16,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:16,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:16,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:16,485 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:16,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 05:59:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:21,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:22,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:59:22,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:59:22,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-06 05:59:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:22,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:59:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:59:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:59:22,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:22,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:22,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:22,787 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:22,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 05:59:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:27,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:28,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:59:28,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:28,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:59:28,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-06 05:59:28,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:59:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:59:28,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:59:28,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:28,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:28,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:28,687 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:28,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 05:59:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:33,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:34,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:59:34,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:59:34,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-06 05:59:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:59:34,834 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:59:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:59:34,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:34,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:34,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:34,837 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:34,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 05:59:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:39,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:40,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:59:40,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:59:41,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-06 05:59:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:59:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:59:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:59:41,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:41,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:41,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:41,265 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:41,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 05:59:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:46,262 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:47,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:59:47,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:59:47,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-06 05:59:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:59:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:59:47,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:59:47,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:47,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:47,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:47,545 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:47,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 05:59:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:52,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:53,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:59:53,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:59:53,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-06 05:59:53,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:59:53,767 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:59:53,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:59:53,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:53,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:53,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:53,769 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:53,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 05:59:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:58,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:59,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:59:59,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:59,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:59:59,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-12-06 05:59:59,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:59,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 05:59:59,555 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 05:59:59,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:59:59,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:59,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:59,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:59,557 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:59,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 06:00:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:04,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:05,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:00:05,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:00:05,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-06 06:00:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:00:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:00:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:00:05,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:05,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:05,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:05,900 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:05,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 06:00:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:10,775 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:11,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:00:11,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:00:12,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 06:00:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:12,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:00:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:00:12,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:00:12,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:12,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:12,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:12,020 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:12,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 06:00:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:16,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:17,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:00:17,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:00:18,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 06:00:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:00:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:00:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:00:18,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:18,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:18,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:18,215 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:18,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 06:00:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:22,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:23,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:00:23,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:24,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:00:24,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 06:00:24,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:24,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:00:24,273 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:00:24,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:00:24,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:24,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:24,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:24,275 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:24,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 06:00:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:28,964 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:29,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:00:29,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:00:30,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 06:00:30,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:30,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:00:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:00:30,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:00:30,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:30,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:30,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:30,101 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:30,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 06:00:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:35,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:36,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:00:36,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:00:36,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-06 06:00:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:36,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:00:36,458 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:00:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:00:36,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:36,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:36,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:36,460 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:36,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-06 06:00:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:41,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:41,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:00:41,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:00:42,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-06 06:00:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:00:42,188 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:00:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:00:42,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:42,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:42,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:42,190 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:42,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-06 06:00:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:47,240 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:48,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:00:48,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:00:48,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-06 06:00:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:00:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:00:48,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:00:48,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:48,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:48,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:48,355 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:48,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-06 06:00:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:53,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:54,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:00:54,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:00:54,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-06 06:00:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:00:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:00:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:00:54,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:54,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:54,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:54,580 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:54,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-06 06:00:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:59,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:00,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:01:00,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:01:00,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-06 06:01:00,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:00,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:01:00,958 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:01:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:01:00,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:00,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:00,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:00,960 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:00,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-06 06:01:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:05,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:07,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:01:07,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:01:07,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-06 06:01:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:01:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:01:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:01:07,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:07,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:07,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:07,278 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:07,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-06 06:01:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:12,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:13,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:01:13,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:13,417 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:01:13,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-12-06 06:01:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:01:13,461 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:01:13,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:01:13,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:13,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:13,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:13,463 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:13,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-06 06:01:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:18,204 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:19,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:01:19,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:01:19,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-06 06:01:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:19,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:01:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:01:19,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:01:19,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:19,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:19,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:19,337 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:19,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-06 06:01:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:24,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:25,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:01:25,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:01:25,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-06 06:01:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:01:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:01:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:01:25,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:25,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:25,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:25,739 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:25,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-06 06:01:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:30,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:31,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:01:31,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:01:32,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-06 06:01:32,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:01:32,051 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:01:32,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:01:32,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:32,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:32,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:32,053 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:32,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-06 06:01:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:37,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:38,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:01:38,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:38,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:01:38,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-06 06:01:38,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:38,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:01:38,356 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:01:38,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:01:38,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:38,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:38,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:38,358 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:38,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-06 06:01:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:43,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:44,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:01:44,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:01:44,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-06 06:01:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:01:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:01:44,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:01:44,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:44,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:44,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:44,670 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:44,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-06 06:01:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:49,274 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:50,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:01:50,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:01:50,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-06 06:01:50,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:01:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:01:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:01:50,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:50,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:50,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:50,507 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:50,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-06 06:01:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:55,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:56,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:01:56,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:01:56,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-06 06:01:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:56,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:01:56,864 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:01:56,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:01:56,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:56,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:56,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:56,866 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:56,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-06 06:02:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:01,906 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:02,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:02:02,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:02:03,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-06 06:02:03,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:03,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:02:03,215 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:02:03,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:02:03,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:03,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:03,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:03,217 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:03,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-06 06:02:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:08,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:09,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:02:09,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:02:09,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-06 06:02:09,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:09,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:02:09,591 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:02:09,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:02:09,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:09,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:09,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:09,594 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:09,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-06 06:02:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:14,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:15,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:02:15,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:15,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:02:16,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-12-06 06:02:16,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:02:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:02:16,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:02:16,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:16,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:16,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:16,009 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:16,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-06 06:02:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:20,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:21,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:02:21,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:02:21,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-12-06 06:02:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:02:21,702 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:02:21,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:02:21,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:21,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:21,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:21,704 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:21,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-06 06:02:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:26,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:27,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:02:27,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:02:28,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-06 06:02:28,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:02:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:02:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:02:28,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:28,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:28,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:28,086 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:28,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-06 06:02:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:33,035 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:34,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:02:34,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:02:34,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-06 06:02:34,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:02:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:02:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:02:34,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:34,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:34,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:34,327 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:34,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-06 06:02:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:39,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:40,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:02:40,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:02:40,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-06 06:02:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:40,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:02:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:02:40,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:02:40,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:40,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:40,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:40,525 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:40,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-06 06:02:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:45,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:46,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:02:46,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:02:46,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-06 06:02:46,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:46,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:02:46,658 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:02:46,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:02:46,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:46,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:46,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:46,660 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:46,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-06 06:02:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:51,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:52,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:02:52,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:02:52,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-06 06:02:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:02:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:02:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:02:52,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:52,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:52,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:52,423 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:52,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-06 06:02:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:57,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:58,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:02:58,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:02:58,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-06 06:02:58,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:58,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:02:58,832 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:02:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:02:58,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:58,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:58,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:58,834 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:58,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-06 06:03:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:03,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:04,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:03:04,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:03:05,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-12-06 06:03:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:05,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:03:05,052 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:03:05,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:03:05,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:05,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:05,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:05,055 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:05,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-06 06:03:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:10,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:11,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:03:11,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:03:11,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-06 06:03:11,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:03:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:03:11,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:03:11,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:11,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:11,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:11,360 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:11,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-06 06:03:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:16,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:17,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:03:17,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:03:17,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-12-06 06:03:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:17,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:03:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:03:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:03:17,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:17,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:17,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:17,249 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:17,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-06 06:03:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:21,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:22,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:03:22,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:03:22,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-06 06:03:22,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:22,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:03:22,987 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:03:22,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:03:22,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:22,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:22,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:22,989 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:22,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-06 06:03:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:27,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:28,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:03:28,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:03:29,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-06 06:03:29,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:29,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:03:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:03:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:03:29,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:29,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:29,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:29,072 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:29,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-06 06:03:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:34,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:35,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:03:35,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:03:35,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-12-06 06:03:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:03:35,426 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:03:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:03:35,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:35,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:35,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:35,428 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:35,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-06 06:03:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:40,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:41,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:03:41,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:03:41,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-06 06:03:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:03:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:03:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:03:41,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:41,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:41,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:41,704 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:41,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-06 06:03:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:46,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:47,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:03:47,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:47,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:03:48,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-06 06:03:48,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:03:48,040 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:03:48,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:03:48,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:48,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:48,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:48,042 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:48,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-06 06:03:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:52,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:53,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:03:53,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:03:54,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-12-06 06:03:54,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:54,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:03:54,251 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:03:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:03:54,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:54,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:54,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:54,253 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:54,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-06 06:03:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:58,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:59,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:03:59,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:03:59,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-12-06 06:03:59,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:59,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:03:59,889 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:03:59,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:03:59,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:59,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:59,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:59,891 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:59,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-06 06:04:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:05,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:05,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:04:05,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:06,217 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:04:06,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-06 06:04:06,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:06,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:04:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:04:06,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:04:06,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:06,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:06,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:06,267 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:06,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-06 06:04:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:10,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:11,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:04:11,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:04:12,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-12-06 06:04:12,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:12,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:04:12,029 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:04:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:04:12,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:12,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:12,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:12,031 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:12,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-06 06:04:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:17,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:18,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:04:18,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:04:18,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-12-06 06:04:18,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:18,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:04:18,408 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:04:18,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:04:18,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:18,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:18,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:18,410 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:18,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-06 06:04:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:23,240 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:24,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:04:24,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:04:24,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-12-06 06:04:24,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:24,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:04:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:04:24,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:04:24,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:24,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:24,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:24,533 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:24,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-06 06:04:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:29,516 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:30,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:04:30,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:04:30,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-06 06:04:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:04:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:04:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:04:30,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:30,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:30,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:30,799 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:30,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-06 06:04:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:35,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:36,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:04:36,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:04:36,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2024-12-06 06:04:36,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:36,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:04:36,829 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:04:36,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:04:36,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:36,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:36,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:36,831 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:36,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-06 06:04:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:41,390 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:42,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:04:42,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:04:42,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-12-06 06:04:42,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:04:42,625 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:04:42,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:04:42,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:42,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:42,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:42,627 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:42,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-06 06:04:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:47,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:48,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:04:48,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:04:49,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-06 06:04:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:04:49,176 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:04:49,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:04:49,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:49,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:49,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:49,178 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:49,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-06 06:04:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:54,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:55,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:04:55,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:04:55,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-06 06:04:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:04:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:04:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:04:55,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:55,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:55,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:55,439 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:55,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-06 06:04:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:59,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:00,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:05:00,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:05:00,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-12-06 06:05:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:00,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:05:00,841 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:05:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:05:00,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:00,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:00,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:00,844 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:00,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-06 06:05:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:05,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:06,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:05:06,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:05:06,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-12-06 06:05:06,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:06,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:05:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:05:06,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:05:06,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:06,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:06,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:06,375 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:06,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-06 06:05:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:10,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:11,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:05:11,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:05:11,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-06 06:05:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:11,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:05:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:05:11,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:05:11,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:11,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:11,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:11,855 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:11,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-06 06:05:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:16,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:17,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:05:17,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:05:17,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-12-06 06:05:17,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:05:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:05:17,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:05:17,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:17,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:17,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:17,540 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:17,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-06 06:05:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:22,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:23,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:05:23,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:05:24,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-12-06 06:05:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:24,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:05:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:05:24,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:05:24,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:24,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:24,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:24,007 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:24,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-06 06:05:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:28,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:30,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:05:30,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:05:30,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-12-06 06:05:30,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:30,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:05:30,274 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:05:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:05:30,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:30,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:30,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:30,276 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:30,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-06 06:05:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:35,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:36,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:05:36,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:05:36,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-06 06:05:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:36,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:05:36,544 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:05:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:05:36,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:36,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:36,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:36,546 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:36,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-06 06:05:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:41,482 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:42,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:05:42,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:05:42,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Forceful destruction successful, exit code 0 [2024-12-06 06:05:42,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:05:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:05:42,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:05:42,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:42,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:42,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:42,773 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:42,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-06 06:05:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:47,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:48,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:05:48,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:05:48,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-12-06 06:05:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:05:48,992 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:05:48,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:05:48,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:48,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:48,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:48,994 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:48,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-06 06:05:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:54,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:55,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:05:55,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:05:55,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-12-06 06:05:55,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:55,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:05:55,424 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:05:55,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:05:55,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:55,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:55,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:55,426 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:55,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-06 06:06:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:00,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:01,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:06:01,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:06:01,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-12-06 06:06:01,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:06:01,774 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:06:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:06:01,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:01,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:01,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:01,776 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:01,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-12-06 06:06:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:06,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:07,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:06:07,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:07,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:06:07,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-12-06 06:06:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:07,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:06:07,305 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:06:07,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:06:07,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:07,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:07,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:07,307 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:07,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-12-06 06:06:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:11,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:12,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:06:12,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:06:12,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-12-06 06:06:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:06:12,892 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:06:12,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:06:12,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:12,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:12,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:12,893 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:12,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15093e01-c1bc-4829-b9d6-d4d9d1a2f14d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process