./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_8_8_8_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_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/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_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/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_08d03880-53d1-4131-90e5-5e067645dbd0/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 420465b4160ed82ad66ee38db211a67558da31154a8d696ca661ca97b6cc589d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:40:35,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:40:35,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:40:35,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:40:35,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:40:35,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:40:35,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:40:35,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:40:35,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:40:35,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:40:35,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:40:35,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:40:35,571 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:40:35,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:40:35,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:40:35,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:40:35,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:40:35,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:40:35,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:40:35,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:40:35,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:40:35,572 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:40:35,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:40:35,572 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:40:35,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:40:35,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:40:35,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:40:35,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:40:35,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:40:35,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:40:35,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:40:35,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:40:35,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:40:35,573 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_08d03880-53d1-4131-90e5-5e067645dbd0/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 -> 420465b4160ed82ad66ee38db211a67558da31154a8d696ca661ca97b6cc589d [2024-12-05 23:40:35,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:40:35,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:40:35,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:40:35,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:40:35,832 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:40:35,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i [2024-12-05 23:40:38,558 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/data/3d493aaf7/a3856f15f7414feba87b6ad67c05b6bd/FLAG812a23b87 [2024-12-05 23:40:38,895 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:40:38,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i [2024-12-05 23:40:38,920 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/data/3d493aaf7/a3856f15f7414feba87b6ad67c05b6bd/FLAG812a23b87 [2024-12-05 23:40:39,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/data/3d493aaf7/a3856f15f7414feba87b6ad67c05b6bd [2024-12-05 23:40:39,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:40:39,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:40:39,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:40:39,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:40:39,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:40:39,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:40:39" (1/1) ... [2024-12-05 23:40:39,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@392cb066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:39, skipping insertion in model container [2024-12-05 23:40:39,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:40:39" (1/1) ... [2024-12-05 23:40:39,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:40:40,100 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:40:40,105 INFO L158 Benchmark]: Toolchain (without parser) took 977.39ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 92.6MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:40:40,105 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:40:40,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 975.76ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 92.6MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:40:40,106 INFO L338 ainManager$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 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 975.76ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 92.6MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. 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_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/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_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/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_08d03880-53d1-4131-90e5-5e067645dbd0/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 420465b4160ed82ad66ee38db211a67558da31154a8d696ca661ca97b6cc589d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:40:41,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:40:41,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:40:42,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:40:42,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:40:42,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:40:42,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:40:42,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:40:42,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:40:42,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:40:42,024 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:40:42,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:40:42,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:40:42,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:40:42,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:40:42,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:40:42,025 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:40:42,025 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:40:42,025 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:40:42,025 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:40:42,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:40:42,025 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:40:42,025 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:40:42,025 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:40:42,025 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:40:42,026 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:40:42,026 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:40:42,026 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:40:42,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:40:42,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:40:42,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:40:42,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:40:42,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:40:42,027 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:40:42,027 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:40:42,027 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:40:42,027 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_08d03880-53d1-4131-90e5-5e067645dbd0/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 -> 420465b4160ed82ad66ee38db211a67558da31154a8d696ca661ca97b6cc589d [2024-12-05 23:40:42,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:40:42,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:40:42,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:40:42,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:40:42,265 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:40:42,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i [2024-12-05 23:40:44,876 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/data/64b9dc89f/615a085fcc4b482f81eb652f7d0cdde0/FLAG427169eda [2024-12-05 23:40:45,270 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:40:45,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i [2024-12-05 23:40:45,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/data/64b9dc89f/615a085fcc4b482f81eb652f7d0cdde0/FLAG427169eda [2024-12-05 23:40:45,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/data/64b9dc89f/615a085fcc4b482f81eb652f7d0cdde0 [2024-12-05 23:40:45,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:40:45,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:40:45,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:40:45,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:40:45,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:40:45,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:40:45" (1/1) ... [2024-12-05 23:40:45,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17779ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:45, skipping insertion in model container [2024-12-05 23:40:45,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:40:45" (1/1) ... [2024-12-05 23:40:45,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:40:46,438 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_08d03880-53d1-4131-90e5-5e067645dbd0/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i[71467,71480] [2024-12-05 23:40:46,704 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:40:46,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:40:46,722 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:40:46,767 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_08d03880-53d1-4131-90e5-5e067645dbd0/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i[71467,71480] [2024-12-05 23:40:46,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:40:47,079 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:40:47,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47 WrapperNode [2024-12-05 23:40:47,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:40:47,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:40:47,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:40:47,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:40:47,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,203 INFO L138 Inliner]: procedures = 779, calls = 784, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1348 [2024-12-05 23:40:47,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:40:47,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:40:47,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:40:47,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:40:47,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,275 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:40:47,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:40:47,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:40:47,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:40:47,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:47" (1/1) ... [2024-12-05 23:40:47,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:40:47,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:40:47,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:40:47,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:40:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-05 23:40:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-05 23:40:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:40:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:40:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:40:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-05 23:40:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-05 23:40:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:40:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 23:40:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-12-05 23:40:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-12-05 23:40:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-05 23:40:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-05 23:40:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:40:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:40:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 23:40:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-05 23:40:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 23:40:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-12-05 23:40:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-12-05 23:40:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-05 23:40:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 23:40:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 23:40:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-12-05 23:40:47,366 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-12-05 23:40:47,580 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:40:47,582 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:41:26,702 INFO L? ?]: Removed 244 outVars from TransFormulas that were not future-live. [2024-12-05 23:41:26,703 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:41:28,404 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:41:28,404 INFO L312 CfgBuilder]: Removed 44 assume(true) statements. [2024-12-05 23:41:28,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:41:28 BoogieIcfgContainer [2024-12-05 23:41:28,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:41:28,405 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:41:28,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:41:28,415 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:41:28,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:41:28" (1/1) ... [2024-12-05 23:41:28,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:41:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2024-12-05 23:41:28,475 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2024-12-05 23:41:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-05 23:41:28,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:28,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:41:28,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:41:28,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:41:28,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:41:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:41:36,523 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:41:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:41:40,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:41:40,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:41:40,986 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-05 23:41:41,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:41:51,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:41:53,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:41:55,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:41:58,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:41:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 213 transitions. [2024-12-05 23:41:58,501 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 213 transitions. [2024-12-05 23:41:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-05 23:41:58,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:58,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:41:58,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:41:58,507 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:41:58,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:42:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:06,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:42:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:10,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 2019 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:42:10,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-05 23:42:10,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:42:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 127 states and 236 transitions. [2024-12-05 23:42:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 236 transitions. [2024-12-05 23:42:12,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 23:42:12,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:12,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:12,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:42:12,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:42:12,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:42:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:19,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:42:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:23,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:42:23,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:24,002 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-12-05 23:42:24,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:42:25,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:42:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:26,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 128 states and 238 transitions. [2024-12-05 23:42:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions. [2024-12-05 23:42:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-05 23:42:26,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:26,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:26,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:42:26,006 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:42:26,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:42:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:34,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:42:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:37,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 2023 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:42:37,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-05 23:42:38,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:42:40,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:42:42,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:42:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:43,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 265 transitions. [2024-12-05 23:42:43,609 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 265 transitions. [2024-12-05 23:42:43,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-05 23:42:43,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:43,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:43,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:42:43,612 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:42:43,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:42:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:51,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:42:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:55,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 2033 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:42:55,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-05 23:42:56,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:42:58,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:58,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 143 states and 292 transitions. [2024-12-05 23:42:58,184 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 292 transitions. [2024-12-05 23:42:58,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-05 23:42:58,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:58,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:58,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:42:58,187 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:42:58,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:43:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:06,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:43:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:10,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 2062 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:43:10,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:43:11,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:43:12,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:43:14,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:43:15,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:15,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 144 states and 293 transitions. [2024-12-05 23:43:15,855 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 293 transitions. [2024-12-05 23:43:15,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-05 23:43:15,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:15,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:43:15,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:43:15,859 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:43:15,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:43:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:24,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:43:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:28,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:43:28,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:29,064 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-05 23:43:29,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 23:43:32,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:43:35,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:35,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 153 states and 326 transitions. [2024-12-05 23:43:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 326 transitions. [2024-12-05 23:43:35,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-05 23:43:35,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:35,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:43:35,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:43:35,021 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:43:35,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:43:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:43,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:43:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:46,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 2035 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:43:46,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:43:47,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:43:50,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 160 states and 357 transitions. [2024-12-05 23:43:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 357 transitions. [2024-12-05 23:43:50,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-05 23:43:50,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:50,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:43:50,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:43:50,115 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:43:50,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:43:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:58,542 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:44:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:01,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:44:01,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:02,807 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-12-05 23:44:02,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 23:44:04,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:04,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 167 states and 374 transitions. [2024-12-05 23:44:04,961 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 374 transitions. [2024-12-05 23:44:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:44:04,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:04,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:04,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:44:04,965 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:44:04,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:44:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:13,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:44:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:17,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:44:17,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:44:19,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 23:44:30,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:44:41,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:44:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:44:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:44:41,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:41,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:41,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:44:41,214 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:44:41,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:44:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:50,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:44:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:53,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:44:53,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:44:54,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 23:44:56,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:44:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:44:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:44:56,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:56,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:56,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:44:56,767 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:44:56,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:45:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:05,787 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:45:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:09,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:45:09,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:45:10,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 23:45:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:45:11,146 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:45:11,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:45:11,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:11,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:45:11,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:45:11,150 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:45:11,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:45:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:20,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:45:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:23,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:45:23,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:45:24,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 23:45:25,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:25,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:45:25,447 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:45:25,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:45:25,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:25,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:45:25,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:45:25,450 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:45:25,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:45:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:35,025 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:45:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:38,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:45:38,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:45:39,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 23:45:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:40,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:45:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:45:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:45:40,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:40,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:45:40,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:45:40,384 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:45:40,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:45:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:50,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:45:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:53,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:45:53,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:55,212 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:45:55,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 23:45:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:45:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:45:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:45:55,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:55,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:45:55,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:45:55,829 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:45:55,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 23:46:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:05,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:46:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:09,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:46:09,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:46:10,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 23:46:11,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:11,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:46:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:46:11,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:46:11,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:11,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:46:11,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:46:11,258 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:46:11,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 23:46:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:20,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:46:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:24,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:46:24,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:46:25,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 23:46:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:46:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:46:26,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:46:26,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:26,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:46:26,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:46:26,029 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:46:26,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 23:46:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:36,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:46:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:40,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:46:40,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:46:41,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 23:46:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:46:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:46:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:46:42,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:42,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:46:42,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:46:42,072 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:46:42,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 23:46:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:51,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:46:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:55,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:46:55,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:46:56,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 23:46:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:46:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:46:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:46:57,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:57,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:46:57,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:46:57,543 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:46:57,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 23:47:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:08,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:47:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:11,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:47:11,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:13,071 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:47:13,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 23:47:13,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:13,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:47:13,694 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:47:13,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:47:13,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:13,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:47:13,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:47:13,697 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:47:13,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 23:47:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:24,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:47:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:28,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:47:28,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:47:29,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 23:47:30,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:47:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:47:30,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:47:30,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:30,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:47:30,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:47:30,015 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:47:30,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 23:47:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:41,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:47:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:45,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:47:45,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:46,351 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:47:46,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 23:47:47,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:47,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:47:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:47:47,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:47:47,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:47,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:47:47,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:47:47,033 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:47:47,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 23:47:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:58,755 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:02,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:48:02,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:03,780 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:48:03,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 23:48:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:04,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:48:04,399 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:48:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:48:04,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:04,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:04,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:04,401 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:04,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 23:48:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:15,778 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:19,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:48:19,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:48:21,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 23:48:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:48:21,609 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:48:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:48:21,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:21,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:21,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:21,612 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:21,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 23:48:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:33,772 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:37,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:48:37,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:48:38,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 23:48:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:48:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:48:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:48:39,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:39,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:39,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:39,548 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:39,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 23:48:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:51,193 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:54,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:48:55,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:48:56,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 23:48:56,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:56,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:48:56,965 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:48:56,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:48:56,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:56,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:56,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:56,968 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:56,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 23:49:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:09,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:49:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:13,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:49:13,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:49:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:49:14,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 23:49:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:49:15,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:49:15,359 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:49:15,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:49:15,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:49:15,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:49:15,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:49:15,362 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:49:15,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 23:49:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:27,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:49:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:31,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:49:31,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:49:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:49:33,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 23:49:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:49:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:49:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:49:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:49:33,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:49:33,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:49:33,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:49:33,624 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:49:33,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 23:49:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:46,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:49:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:49,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:49:49,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:49:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:49:51,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 23:49:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:49:51,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:49:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:49:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:49:51,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:49:51,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:49:51,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:49:51,792 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:49:51,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 23:50:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:04,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:50:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:08,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:50:08,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:09,895 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:50:09,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 23:50:10,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:50:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:50:10,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:50:10,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:10,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:10,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:50:10,578 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:50:10,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 23:50:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:23,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:50:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:27,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:50:27,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:50:28,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 23:50:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:29,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:50:29,147 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:50:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:50:29,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:29,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:29,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:50:29,149 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:50:29,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 23:50:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:41,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:50:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:45,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:50:45,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:50:46,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 23:50:47,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:50:47,022 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:50:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:50:47,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:47,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:47,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:50:47,025 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:50:47,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 23:51:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:00,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:51:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:03,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:51:03,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:51:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:51:04,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 23:51:05,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:51:05,473 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:51:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:51:05,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:05,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:51:05,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:51:05,476 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:51:05,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 23:51:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:18,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:51:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:21,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:51:21,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:51:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:51:23,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 23:51:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:23,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:51:23,737 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:51:23,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:51:23,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:23,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:51:23,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:51:23,739 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:51:23,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 23:51:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:36,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:51:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:40,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:51:40,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:51:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:51:41,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 23:51:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:42,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:51:42,189 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:51:42,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:51:42,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:42,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:51:42,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:51:42,191 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:51:42,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 23:51:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:55,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:51:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:59,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:51:59,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:52:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:52:00,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 23:52:00,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:00,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:52:00,912 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:52:00,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:52:00,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:00,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:52:00,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:52:00,915 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:52:00,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 23:52:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:13,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:52:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:17,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:52:17,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:52:18,939 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:52:19,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 23:52:19,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:19,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:52:19,586 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:52:19,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:52:19,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:19,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:52:19,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:52:19,588 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:52:19,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 23:52:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:32,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:52:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:36,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:52:36,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:52:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:52:37,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 23:52:38,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:52:38,166 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:52:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:52:38,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:38,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:52:38,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:52:38,170 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:52:38,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 23:52:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:51,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:52:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:54,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:52:54,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:52:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:52:56,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 23:52:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:52:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:52:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:52:56,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:56,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:52:56,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:52:56,803 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:52:56,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 23:53:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:10,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:13,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:53:13,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:14,960 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:53:15,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-05 23:53:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:15,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:53:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:53:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:53:15,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:15,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:15,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:15,593 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:15,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 23:53:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:28,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:32,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:53:32,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:33,740 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:53:33,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 23:53:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:34,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:53:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:53:34,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:53:34,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:34,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:34,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:34,400 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:34,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 23:53:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:48,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:51,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:53:51,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:52,998 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:53:53,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-05 23:53:53,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:53,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:53:53,688 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:53:53,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:53:53,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:53,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:53,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:53,690 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:53,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-05 23:54:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:07,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:11,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:54:11,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:12,584 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:54:12,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-05 23:54:13,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:54:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:54:13,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:54:13,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:13,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:13,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:13,250 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:13,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-05 23:54:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:27,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:31,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:54:31,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:54:32,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-05 23:54:33,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:33,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:54:33,335 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:54:33,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:54:33,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:33,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:33,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:33,338 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:33,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-05 23:54:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:47,816 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:51,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:54:51,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:54:52,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-05 23:54:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:54:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:54:53,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:54:53,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:53,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:53,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:53,503 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:53,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-05 23:55:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:07,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:55:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:11,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:55:11,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:55:12,584 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 23:55:12,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-05 23:55:13,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:55:13,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 186 states and 437 transitions. [2024-12-05 23:55:13,260 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 437 transitions. [2024-12-05 23:55:13,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:55:13,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:55:13,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:55:13,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:55:13,262 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:55:13,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d03880-53d1-4131-90e5-5e067645dbd0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process