./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.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_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/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_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/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_054e396b-89ec-41aa-9b69-55b5a2593b4e/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 b6079d790658e1a78abce6fa1f3b917a6451d81b865c3317f26cfb8897cd3d37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:04:48,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:04:48,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:04:48,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:04:48,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:04:48,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:04:48,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:04:48,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:04:48,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:04:48,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:04:48,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:04:48,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:04:48,342 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:04:48,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:04:48,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:04:48,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:04:48,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:04:48,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:04:48,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:04:48,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:04:48,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:04:48,342 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:04:48,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:04:48,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:04:48,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:04:48,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:04:48,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:04:48,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:04:48,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:04:48,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:04:48,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:04:48,343 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:04:48,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:04:48,343 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_054e396b-89ec-41aa-9b69-55b5a2593b4e/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 -> b6079d790658e1a78abce6fa1f3b917a6451d81b865c3317f26cfb8897cd3d37 [2024-12-06 03:04:48,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:04:48,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:04:48,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:04:48,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:04:48,591 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:04:48,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i [2024-12-06 03:04:51,183 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/data/2b9a9fec4/2b107737ad3b41ffaabda95be5fb2771/FLAG086cef58a [2024-12-06 03:04:51,530 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:04:51,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i [2024-12-06 03:04:51,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/data/2b9a9fec4/2b107737ad3b41ffaabda95be5fb2771/FLAG086cef58a [2024-12-06 03:04:51,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/data/2b9a9fec4/2b107737ad3b41ffaabda95be5fb2771 [2024-12-06 03:04:51,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:04:51,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:04:51,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:04:51,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:04:51,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:04:51,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:04:51" (1/1) ... [2024-12-06 03:04:51,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b218184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:51, skipping insertion in model container [2024-12-06 03:04:51,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:04:51" (1/1) ... [2024-12-06 03:04:51,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:04:52,549 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java: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:1494) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3184) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3028) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2273) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1228) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:04:52,554 INFO L158 Benchmark]: Toolchain (without parser) took 772.15ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 68.8MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:04:52,555 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 71.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:04:52,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.46ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 68.8MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:04:52,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 71.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.46ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 68.8MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java: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_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/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_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/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_054e396b-89ec-41aa-9b69-55b5a2593b4e/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 b6079d790658e1a78abce6fa1f3b917a6451d81b865c3317f26cfb8897cd3d37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:04:54,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:04:54,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:04:54,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:04:54,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:04:54,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:04:54,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:04:54,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:04:54,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:04:54,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:04:54,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:04:54,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:04:54,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:04:54,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:04:54,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:04:54,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:04:54,429 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:04:54,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:04:54,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:04:54,429 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:04:54,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:04:54,429 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:04:54,429 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:04:54,429 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:04:54,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:04:54,429 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:04:54,430 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:54,430 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:04:54,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:04:54,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:04:54,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:04:54,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:04:54,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:04:54,430 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:04:54,430 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:04:54,430 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:04:54,430 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_054e396b-89ec-41aa-9b69-55b5a2593b4e/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 -> b6079d790658e1a78abce6fa1f3b917a6451d81b865c3317f26cfb8897cd3d37 [2024-12-06 03:04:54,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:04:54,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:04:54,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:04:54,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:04:54,682 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:04:54,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i [2024-12-06 03:04:57,301 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/data/1e0afddf6/7484ac64a0b0431eba0bfdc96e7987e4/FLAG899ef967a [2024-12-06 03:04:57,638 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:04:57,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i [2024-12-06 03:04:57,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/data/1e0afddf6/7484ac64a0b0431eba0bfdc96e7987e4/FLAG899ef967a [2024-12-06 03:04:57,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/data/1e0afddf6/7484ac64a0b0431eba0bfdc96e7987e4 [2024-12-06 03:04:57,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:04:57,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:04:57,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:04:57,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:04:57,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:04:57,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:04:57" (1/1) ... [2024-12-06 03:04:57,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c21864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:57, skipping insertion in model container [2024-12-06 03:04:57,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:04:57" (1/1) ... [2024-12-06 03:04:57,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:04:58,699 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_054e396b-89ec-41aa-9b69-55b5a2593b4e/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i[71475,71488] [2024-12-06 03:04:58,953 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 03:04:58,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:04:58,968 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:04:59,009 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_054e396b-89ec-41aa-9b69-55b5a2593b4e/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i[71475,71488] [2024-12-06 03:04:59,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:04:59,261 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:04:59,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59 WrapperNode [2024-12-06 03:04:59,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:04:59,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:04:59,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:04:59,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:04:59,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,374 INFO L138 Inliner]: procedures = 779, calls = 623, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1195 [2024-12-06 03:04:59,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:04:59,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:04:59,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:04:59,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:04:59,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,436 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:04:59,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:04:59,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:04:59,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:04:59,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:59" (1/1) ... [2024-12-06 03:04:59,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:04:59,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:04:59,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:04:59,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:04:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 03:04:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 03:04:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:04:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:04:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:04:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 03:04:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-12-06 03:04:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 03:04:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-12-06 03:04:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 03:04:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 03:04:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-12-06 03:04:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-12-06 03:04:59,760 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:04:59,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:05:41,115 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-12-06 03:05:41,116 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:05:41,880 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:05:41,880 INFO L312 CfgBuilder]: Removed 44 assume(true) statements. [2024-12-06 03:05:41,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:05:41 BoogieIcfgContainer [2024-12-06 03:05:41,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:05:41,881 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:05:41,881 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:05:41,891 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:05:41,891 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:05:41" (1/1) ... [2024-12-06 03:05:41,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:05:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:41,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2024-12-06 03:05:41,951 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2024-12-06 03:05:41,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 03:05:41,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:41,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:41,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:41,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:41,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:05:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:45,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:46,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:05:46,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:47,051 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-06 03:05:47,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:05:57,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:06:00,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:06:01,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:06:06,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:06:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2024-12-06 03:06:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2024-12-06 03:06:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-06 03:06:06,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:06,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:06,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:06,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:06,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:06:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:08,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:09,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:06:10,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:12,096 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-06 03:06:12,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:06:16,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:16,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2024-12-06 03:06:16,393 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2024-12-06 03:06:16,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-06 03:06:16,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:16,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:16,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:16,398 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:16,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:06:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:19,157 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:20,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:06:20,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:21,645 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 03:06:21,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:06:23,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:06:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2024-12-06 03:06:23,587 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2024-12-06 03:06:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-06 03:06:23,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:23,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:23,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:23,591 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:23,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:06:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:26,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:27,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:06:27,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-12-06 03:06:30,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:06:32,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:06:33,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:06:38,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2024-12-06 03:06:38,169 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2024-12-06 03:06:38,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-06 03:06:38,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:38,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:38,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:38,174 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:38,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:06:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:40,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:41,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:06:41,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-06 03:06:43,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:06:46,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:06:48,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:06:48,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:06:48,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 138 states and 269 transitions. [2024-12-06 03:06:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 269 transitions. [2024-12-06 03:06:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-06 03:06:48,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:06:48,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:48,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:06:48,867 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:06:48,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:06:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:51,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:06:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:06:52,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:06:52,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:06:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 03:06:55,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:07:02,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:02,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2024-12-06 03:07:02,047 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2024-12-06 03:07:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-06 03:07:02,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:02,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:02,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:02,052 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:02,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:07:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:05,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:06,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:07:06,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 03:07:09,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:07:12,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:07:21,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:21,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2024-12-06 03:07:21,152 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2024-12-06 03:07:21,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 03:07:21,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:21,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:21,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:21,156 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:21,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:07:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:24,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:25,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:07:25,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 03:07:28,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:07:30,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:07:38,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2024-12-06 03:07:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2024-12-06 03:07:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:07:38,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:38,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:38,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:38,429 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:38,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:07:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:41,501 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:42,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:07:42,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:07:51,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:08:04,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:08:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:08:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:08:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:08:40,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:40,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:40,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:40,340 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:40,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:08:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:43,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:44,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:08:44,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:08:50,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:08:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:08:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:08:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:08:57,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:57,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:57,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:57,191 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:57,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:09:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:00,587 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:01,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:09:01,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:09:07,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:09:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:09:07,849 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:09:07,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:09:07,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:07,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:07,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:07,851 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:07,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:09:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:11,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:12,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:09:12,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:09:18,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:09:18,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:09:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:09:18,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:09:18,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:18,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:18,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:18,636 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:18,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:09:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:22,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:23,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:09:23,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:09:29,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:09:29,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:09:29,551 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:09:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:09:29,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:29,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:29,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:29,555 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:29,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:09:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:33,204 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:34,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:09:34,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:09:40,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 03:09:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:40,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:09:40,538 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:09:40,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:09:40,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:40,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:40,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:40,541 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:40,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 03:09:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:44,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:45,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:09:45,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:09:51,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 03:09:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:51,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:09:51,324 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:09:51,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:09:51,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:51,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:51,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:51,327 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:51,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 03:09:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:55,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:56,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:09:56,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:10:02,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 03:10:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:10:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:10:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:10:02,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:02,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:02,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:02,441 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:02,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 03:10:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:06,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:07,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:10:07,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:13,645 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:10:13,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 03:10:13,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:13,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:10:13,695 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:10:13,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:10:13,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:13,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:13,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:13,698 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:13,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 03:10:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:17,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:18,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:10:18,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:24,776 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:10:24,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 03:10:24,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:10:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:10:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:10:24,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:24,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:24,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:24,829 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:24,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 03:10:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:28,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:29,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:10:29,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:10:36,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 03:10:36,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:36,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:10:36,072 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:10:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:10:36,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:36,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:36,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:36,074 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:36,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 03:10:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:39,778 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:40,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:10:40,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:10:47,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 03:10:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:10:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:10:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:10:47,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:47,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:47,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:47,054 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:47,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 03:10:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:50,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:10:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:10:51,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:10:51,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:10:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:10:58,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 03:10:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:10:58,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:10:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:10:58,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:10:58,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:10:58,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:10:58,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:10:58,137 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:10:58,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 03:11:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:02,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:03,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:11:03,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:11:09,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 03:11:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:09,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 03:11:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 03:11:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-06 03:11:09,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:09,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:09,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:09,462 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:09,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 03:11:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:13,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:14,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:11:14,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-06 03:11:18,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 03:11:33,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:33,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 187 states and 442 transitions. [2024-12-06 03:11:33,306 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 442 transitions. [2024-12-06 03:11:33,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:11:33,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:33,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:33,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:33,309 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:33,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 03:11:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:37,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:38,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:11:38,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:11:44,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 03:11:55,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:55,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 187 states and 442 transitions. [2024-12-06 03:11:55,264 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 442 transitions. [2024-12-06 03:11:55,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 03:11:55,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:55,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:55,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:55,267 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:55,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 03:11:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:59,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:00,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:12:00,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-06 03:12:09,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 03:12:29,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:12:31,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:12:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:41,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 197 states and 467 transitions. [2024-12-06 03:12:41,125 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 467 transitions. [2024-12-06 03:12:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:12:41,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:41,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:41,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:41,129 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:41,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 03:12:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:45,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:46,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:12:46,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:52,533 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:12:52,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 03:12:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:54,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 197 states and 467 transitions. [2024-12-06 03:12:54,977 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 467 transitions. [2024-12-06 03:12:54,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:12:54,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:54,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:54,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:54,980 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:54,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 03:12:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:59,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:00,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:13:00,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:13:06,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 03:13:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 197 states and 467 transitions. [2024-12-06 03:13:09,170 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 467 transitions. [2024-12-06 03:13:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 03:13:09,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:09,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:09,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:09,173 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:09,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 03:13:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:13,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:14,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:13:14,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-06 03:13:24,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 03:13:46,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:46,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 207 states and 495 transitions. [2024-12-06 03:13:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 495 transitions. [2024-12-06 03:13:46,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:13:46,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:46,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:13:46,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:13:46,684 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:13:46,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 03:13:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:51,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:13:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:51,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:13:51,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:58,172 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:13:58,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 03:14:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 207 states and 495 transitions. [2024-12-06 03:14:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 495 transitions. [2024-12-06 03:14:00,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:14:00,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:00,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:00,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:00,657 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:00,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 03:14:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:05,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:06,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:14:06,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:14:12,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 03:14:14,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 207 states and 495 transitions. [2024-12-06 03:14:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 495 transitions. [2024-12-06 03:14:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-06 03:14:14,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:14,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:14,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:14,812 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:14,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 03:14:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:19,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:14:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:20,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:14:20,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:31,003 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-12-06 03:14:31,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 03:14:42,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:14:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:14:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:14:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:14:58,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:58,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:58,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:58,943 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:58,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 03:15:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:03,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:04,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:15:04,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:15:10,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 03:15:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:15:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:15:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:15:13,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:13,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:13,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:13,223 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:13,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 03:15:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:18,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:19,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:15:19,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:25,450 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:15:25,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 03:15:27,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:27,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:15:27,920 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:15:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:15:27,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:27,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:27,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:27,923 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:27,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 03:15:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:32,664 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:33,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:15:33,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:39,772 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:15:39,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 03:15:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:15:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:15:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:15:42,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:42,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:42,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:42,221 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:42,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 03:15:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:47,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:15:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:48,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:15:48,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:15:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:15:54,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 03:15:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:57,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:15:57,469 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:15:57,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:15:57,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:57,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:15:57,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:15:57,472 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:15:57,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 03:16:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:02,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:03,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:16:03,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:16:10,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 03:16:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:16:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:16:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:16:12,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:12,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:12,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:12,984 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:12,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 03:16:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:18,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:19,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:16:19,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:16:26,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 03:16:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:29,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:16:29,228 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:16:29,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:16:29,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:29,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:29,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:29,231 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:29,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 03:16:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:35,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:36,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:16:36,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:16:42,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 03:16:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:16:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:16:45,276 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:16:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:16:45,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:16:45,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:16:45,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:16:45,279 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:16:45,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 03:16:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:50,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:16:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:16:51,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:16:51,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:16:58,506 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:16:58,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 03:17:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:01,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:17:01,048 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:17:01,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:17:01,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:01,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:01,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:01,051 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:01,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 03:17:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:06,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:07,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:17:07,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:13,910 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:17:13,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-12-06 03:17:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:16,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:17:16,405 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:17:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:17:16,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:16,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:16,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:16,407 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:16,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 03:17:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:22,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:23,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:17:23,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:29,440 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:17:29,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 03:17:31,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:31,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:17:31,913 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:17:31,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:17:31,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:31,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:31,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:31,915 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:31,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 03:17:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:37,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:38,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:17:38,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:45,151 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:17:45,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 03:17:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:17:47,604 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:17:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:17:47,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:47,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:47,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:47,606 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:47,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 03:17:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:53,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:54,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:17:54,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:18:00,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-12-06 03:18:03,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:18:03,198 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:18:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:18:03,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:03,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:03,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:03,200 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:03,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 03:18:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:09,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:10,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:18:10,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:16,407 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:18:16,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 03:18:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:18,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:18:18,861 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:18:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:18:18,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:18,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:18,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:18,864 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:18,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 03:18:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:24,627 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:25,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:18:25,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:18:32,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 03:18:34,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:34,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:18:34,522 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:18:34,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:18:34,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:34,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:34,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:34,525 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:34,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 03:18:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:40,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:41,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:18:41,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:18:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:18:47,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 03:18:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:18:50,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:18:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:18:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:18:50,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:18:50,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:18:50,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:18:50,337 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:18:50,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 03:18:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:56,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:18:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:18:57,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:18:57,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:19:03,677 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:19:03,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 03:19:06,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:06,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:19:06,121 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:19:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:19:06,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:06,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:19:06,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:19:06,124 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:19:06,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 03:19:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:12,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:19:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:13,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:19:13,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:19:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:19:19,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 03:19:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:19:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:19:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:19:21,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:21,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:19:21,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:19:21,863 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:19:21,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 03:19:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:27,992 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:19:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:28,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:19:28,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:19:35,247 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 03:19:35,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 03:19:37,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 215 states and 522 transitions. [2024-12-06 03:19:37,751 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 522 transitions. [2024-12-06 03:19:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 03:19:37,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:37,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:19:37,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:19:37,753 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:19:37,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_054e396b-89ec-41aa-9b69-55b5a2593b4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 03:19:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:44,019 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported